Repair: Nikkor-T 10.5cm f/4

Hello, everybody. I was listening to the Rolling Stones as I’m a big fan of the band. Their music still sounds great today, the grit and the sound never gets old. Mick is literally a geriatric now but boy can he still perform. He has the groove and Keith still has it in him. People call him a “living fossil” because he is still going and there seems to be not end to his energy. I would love to have his vitality at that age. Speaking of living fossils, I will show you a lens today that’s both archaic and old even when it debuted in the early 1960s. It is considered an oddity by many Nikon collectors and some find it obscure. I will walk you through this detailed article, please enjoy this.

Introduction:

We’re going to look at the Nikkor-T 10.5cm f4! There is little information on this lens outside of its history so I hope that I can shed some light into this lens and its characteristics when used in real-life applications. This lens was made when the Nikon F was rocking the charts in the early 1960s. There’s a rumor that this lens was made for Nikon’s rangefinder cameras but it was also re-purposed as an F-mount lens to cut cost. It’s hard to confirm this but it’s easy to see where it came from. It looks goofy and is more in-line older rangefinder designs than a proper F-mount lens. it’s a preset-iris type lens like the Micro-Nikkor 5.5cm f/3.5 and the PC-Nikkor 35mm f/3.5 but unlike those lenses, this doesn’t have a real reason for being a preset-type lens. A preset-type lens is where you manually close the iris before shooting since the camera does not do it for you automatically. This weird design and the preset-type aperture are the 2 features that define this but there is another thing and that’s “cheapness” and it’s something that many people overlook. You see, this lens was designed to be made as cheap as possible. It was a bad marketing decision because people buy Nikkors for their quality. This lens had a reputation of cheapness that it hurt its own sales and that lead to its very low numbers, making it rare. Fast-forward 50 years and its rarity has made it a collector’s item and the price of this lens has inflated so much that it became a rich man’s toy. Luckily, I was able to find one for cheap. It was sold at a much lower price because of the wear and the old owner made a terrible repair job. It was so bad that even the screws didn’t match! I had to replace the screws with the ones I have in my scraps box. Needless to say, it was a very expensive junk but it has been one of my dreams to introduce this lens to you.

IMG_6416The Nikkor-T 10.5cm f4 looks very odd. It’s small and thin but it flares at its base so that it can accommodate the wider throat of the F-mount. Despite it being short, the lens can extend almost 3cm when you focus it to its closest focus distance. If you want a small setup for a leisurely stroll around town then this lens is the one to take with you. It also has a weird nickname, the “Mountain Nikkor”. It got that name because people were linking this to the “Mountain Elmar” of Leica which is a lens that shares a few attributes with this one, they are both ugly lenses.It only has 3 elements. It was popular for lens makers to make 3-element lenses (triplets) for the low-end market and these lenses are usually cheap because they only have 3 elements and their construction usually revolved around cost-cutting. This was at a time when Nikon was already known for its quality control and performance so this lens was really a misfit. It hurted Nikon’s image so much that Nikon stopped this economy-driven non-sense and only did it again in the 1980s with the Series E lenses but it never used the “Nikkor” tradename this time around. There’s a magazine article titled “Why Can’t We Sell This Lens” in a Japanese Nikon magazine back then and it detailed its unfortunate sales history and why nobody wanted one back then. The answer was clear, it had the overall impression of “cheapness”. It felt like it was made by somebody else and people would just save-up to buy the excellent Auto-Nikkor-P 105mm f/2.5 that’s a lot better and more popular with everybody back then. Needless to say, this poor thing was only sold for a very short time. Branding is very important and this is just one example.

The S-mount version sold even less because people were then transitioning to the Nikon F and there’s also an existing 105/2.5 for the S-mount and that made very little sense to purchase this. The S-mount version is even rarer so it costs almost 2x the money these days compared to this one.

IMG_6450The lens looks very odd on any camera because it has a thin profile. Even if it’s mounted on a rangefinder camera (S-mount version) it still looks off in some ways. Operating this lens on an SLR with automatic diaphragm action felt weird because you should open and close the iris manually but you will soon get used to it or just use it wide-open all the time. If you have not shot with Nikon rangefinder cameras this can feel alien to your hands when you grab this lens because all F-mount lenses are stouter than this.

IMG_6493It sure looks better on the Sony A7. An ugly lens can make a good match for an ugly Sony. Both are ergonomic horror stories and they belong together, a kind of “how to make ugly gear” theme. Operating these two together made more sense because mirrorless cameras don’t benefit from an automatic iris because the finder will brighten up the display anyway when you stop this lens down. It’s a feature that’s unique to mirrorless cameras which makes them great for using old non-automatic lenses. Native mirrorless lenses do that if I am not mistaken as I don’t have any.

Despite the weird handling, this lens also has equally weird characteristics that I’ll show you in the sample pictures section. This is a unique lens in the Nikkor lineup and the next few sets of photos will show you why it’s unique. You can’t get any more hipster than this.

Knowing how a lens performs is key to maximizing its use. You’ll know its strengths and exploit them while avoiding its weaknesses or using them to your creative advantage. I took the following pictures using f/4, f/5.6 and f/8 from left-to-right as these apertures show the most changes. Since this lens has a preset-type iris, the aperture values aren’t exact since it’s hard to do a quick test with a tripod. I cannot peek into the finder and accurately turn its aperture ring to the right f-stops so don’t forget about this.

(Click to enlarge)

Chromatic aberration can be high wide-open on extreme cases or when the subject has a shiny surface and over-exposed. The good thing is you will not see it when exposed correctly as in the case of the bicycle photos. You won’t see it by f/5.6 and it’s gone by f/8. The photos of the pencil sharpener is just a case to show you how bad it is on worst cases and you can even see some of it even by f/8. Nobody takes pictures like these in reality so just refer to the bicycle photos for real-life samples.

(Click to enlarge)

The bokeh quality is surprisingly good to decent at worst across the whole range of its focusing distance scale. I don’t see any harshness or any weird look in the de-focused areas, it’s smooth and generally pleasant. Preset-type irises usually have no-less than 8 or 9 blades so that helps make the iris look rounder, giving you smoother bokeh quality.

(Click to enlarge)

Sharpness is this lens’ strength. It’s sharp wide-open and it gets even better by f/5.6 where resolution also picks-up. It’s amazing by f/8 and it’s at its peak from this aperture to about f/11. Contrast is pretty high, colors look natural and saturation seems nice. It performs better at closer ranges compared to infinity or somewhere around that. It’s not that bad, just not as good as the closer ranges.

Here’s a photo shot from the closest focus distance. It’s technically great for a lens that was unveiled in 1959 and sold in 1960. This was shot wide-open and you can see just how beautiful it is. There’s no chromatic aberration at all because the photo was exposed properly and there’s nothing in the scene that can trigger it such as areas of really high contrast near the area where the focus transitions.

This was taken at f/8. You can’t see the subtle details in this photo, the RAW file shows every detail of the yellow pencil rendered beautifully. It’s sharp, the details are also resolved perfectly.

This lens seems good-enough as expected from a lens coming from this era but just wait until you see the next sets of photos.

(Click to enlarge)

This lens flares a lot! I don’t know what contributes to this, the only thing I can think of is the coatings (or lack of it). I am sure that it’s coated because mine exhibits a bluish hue so I’m guessing that it has some form of coating. How good the coatings are is beyond what I know but my tests show that it is pathetic. I never saw anything like this even on Nikon’s very early lenses from the rangefinder years and my oldest Nikkor’s made in around 1945. It could be the very low element count? Despite this, it’s obvious that the lens is sharp if you zoom-in on what’s focused.

(Click to enlarge)

If you think the previous set looked ugly then wait until you see these. This reminds me of my baby’s ultrasound pictures! Just look at that light pillar, it is just the sun outside the frame. Look closely and you will notice that the curtain-of-light doesn’t go past the frame. It looks like it was cut at its source near the edge of the frame. What could that be? I do not know but I will ask some optical engineers the next time I meet any and I will inform you guys. You can use this as an effect if you wish, it certainly looks trippy.

(Click to enlarge)

More samples of the flaring problem but not as bad this time. One thing that can cause it is the shiny metal front ring. I was using this without any shade and the reflection is probably the one causing all these ugly artifacts. I don’t have the hood with me at that time but I doubt that it will help much.

By the way, Roland Vink has this to say:

“The blades have an odd shape though, the edges have strong curvature so when stopped down a little the opening has a star or saw-tooth shape. Only at smaller apertures or near wide open is the aperture a regular nonagon.

Since the optical unit is very compact (front to rear) and the focal length is moderately long, there is very little mechanical vignetting so illumination is relatively uniform even wide open.

One nice feature of this lens is the 0.8m closest focus distance so it is handy for close-ups. This is much closer than the 1.2m limit of the Nikkor-P 105mm f/2.5 Auto from the same era. This also uses the classic Cooke Triplet design which is relatively symmetrical so its close-up performance is pretty good.

Flaring is probably due to the simple coatings and the optical design which tends to send reflections onto the image plane rather than elsewhere. The chrome filter ring does not help either, so using the little hood is useful.”

So that explains the lack of vignetting. Thanks, Roland!

Now that we saw the ugly face of this lens, it’s time to balance it by looking at these photos that were shot under real-world scenarios. The lens has a redeeming quality and you can judge it for yourself, click on each picture and examine them to see what I mean.

(Click to enlarge)

The lens is sharp wide-open. It also has a nice 3D-like effect going on despite only having f/4 as its fastest aperture. The low element count contributes to this, giving it a nice character. Contrast is average wide-open but picks-up by stopping it down to f/5.6 and it’s starting to look really generic by f/8. I’ll only shoot this lens at f/4 because this is where all the magic is and at f/5.6 if I really had to. The bokeh is quite decent and can be pleasant at best.

HAW_0813This is probably the worst-case scenario when it comes to the bokeh quality. I can see some mild smearing on the twigs. It’s not that bad but it’s just not quite there with the likes of the Nikkor-P 105mm f/2.5 Auto which renders a scene exquisitely. It does cost twice as much as this one, though (in 1960).

HAW_0840Here’s another sample. Not the best lens for shooting bokeh balls at night to be honest.

HAW_1358The 105mm focal length is good for portraiture. It’s apparent in this picture that f/4 is not what you want if you need to mask ugly backgrounds. I would like to point out that the subject isolation qualities of this lens is really good, see how the subject looks very “3D-like” and how she is separated from the background really well? The details on her cloths look great, too. It was shot at f/4 and I wasn’t expecting much but this exceeded my expectations.

HAW_1340Here’s an example of the lens used at infinity or close to it. When I zoomed it to 1:1 in my monitor, the details look really sharp and it felt like this shot was taked at f/5.6 despite being shot wide-open. I also can’t sense any visible distortion. I was impressed by this.

Let’s now see some photos that were taken with film. Photos taken with film has a unique look because of grain and how light reacts with emulsion. This is the reason why we’re also interested to see some photos that were taken with it because it will help us assess the lens better since we are going to see how this lens renders using its intended medium. This lens was designed to work with film and film grain can hide a lot of “flaws” that digital cameras can record. It’s only fair that we judge this lens using photos shot with film. I took these with a Nikon F6 loaded with Fujifilm Industrial 400 and they’re all taken with the iris wide-open.

Beautiful details! This lens is great for portraiture, too. The combination of sharpness balanced with a nice rendering wide-open makes this a balanced lens that’s great for a lot of things so long as you don’t give it chance to flare.

The quality of the bokeh is even better with film where grain helps give it a smoother look. I love the organic look of grain and that’s why I love film.

The rather slow maximum aperture gives you more depth-of-field so you’ll have more than 1 person’s face in-focus so long as they’re not too-far from each other. You will have to stop a faster lens down in order to achieve this and that has its complications such as a slightly rougher look if the lens has only a few iris blades which results in an angular iris shape.

Well, the lady at the back is probably too far from the lady at the front and that resulted in her face being blurred. Resolution is quite decent even at f/4 so you can see the hair rendered beautifully.

The rendering looks exquisite in this photo, the color is natural but just a bit muted. This lens was made for use with monochrome film and there is a bit of a bluish tint to the pictures which contributes to this look. I like it a lot, it is one of the things that makes this lens special.

(Click to enlarge)

Here are more photos from this roll. Please click on them and see the larger versions. I love how this lens performs so long as you don’t trigger the flare. It has a unique look which makes the pictures taken with this look different. It’s balanced beautifully by the designer of this lens. There is nothing cheap about the performance of this lens except for the very poor flare and ghosts resistance.

I can’t recommend this for regular. There are better alternatives and they’re all cheaper than this. A Nikkor-P 105mm f/2.5 Auto is the best option for you, it’s considered to be one of Nikon’s greatest lenses of all time and they are a lot cheaper than this. You can probably buy 3 or 4 of those for one of these. I can only recommend this to collectors or those who wanted to be weird. It’s a quirky lens to use with lots of creative potential. It’s also a nice way to hit on hipster chicks, too. If you really want one then make sure that the iris is free from oil and make sure that all rings turn properly. These are usually found in a variety of conditions, from mint to junk and it’s your job to make sure that you get the one that fits your budget.

Before We Begin:

If this is your first attempt at repairing a lens then I suggest that you check my previous posts regarding screws & driversgrease and other things. Also read what I wrote about the tools that you’ll need to fix your Nikkors.

I suggest that you read these primers before you begin (for beginners):

Reading these primers should lessen the chance of ruining your lens if you are a novice. Before opening up any lens, always look for other people who have done so in Youtube or the internet. Information is scarce, vague and scattered (that is why I started this) but you can still find some information if you search carefully.

I highly recommend that you read my working with helicoids post because this is very important and getting it wrong can ruin your day. If I can force you to read this, I would. It is that important!

For more advanced topics, you can read my fungus removal post as a start. This post has a lot of useful information and it will be beneficial for you to read this.

Disassembly (Lens Barrel):

The construction of this lens isn’t conventional. On typical F-mount lenses, we would normally begin by removing the objective of a lens and it’s just a question of where we’ll be opening it from (front or back). This lens doesn’t fall under this pattern and you will see that for yourself soon. This is a nice refreshing experience because truth be told, I am getting bored at opening the usual Nikkors. For me, this is a nice learning experience and I hope that you will find this just as amusing as I did. I call this lens “Ajahn Lens”. Ajahn is a Thai Buddhist term for teacher, if something taught you a lesson then I think it is a good reason to honor it. Thank you, Ajahn Lens.

IMG_6422Unscrew the rear baffle by using a lens spanner or better yet, use a rubber stopper and simply use friction to unscrew the baffle. This is safer because rubber won’t scratch anything.

Note the 2 encircled dimples. Those are the slots for the retention ring. You must first remove the baffle before removing the retention ring to prevent damaging the ribs on the baffle. The retention ring is the only thing holding the lens together so remove the retention ring carefully so you won’t drop the front part of the lens.

IMG_6425Here’s the baffle. It’s a big piece of milled alloy and it serves as a light seal. It also hides the inner parts of the lens so they’re protected from dust.

IMG_6423Remove the retention so the front part of the lens can be separated from the main barrel.

IMG_6426Make sure not to leave the retention ring inside…

IMG_6419The focusing ring is secured by these 3 screws.

IMG_6424Removing those screws will allow you to remove the focusing ring.

IMG_6430The grip is secured by these set screws. Carefully extract these and be sure not to scar the surrounding metal. If you look at it carefully you can see that it’s not aligned to the center. The idiot who worked on this lens made a poor job.

IMG_6431It can be lifted from the throat just like this. Notice the actual hole where it should have sunk-in? It was actually trying to dig into the metal and created new marks just beside the proper hole.

IMG_6432The bayonet mount can be removed by unscrewing these screws. Make sure to read my article on working with screws if you’re new to prevent anything bad from happening. Many people get stuck here because they stripped the screws by using bad tools and lack of skill.

Really early versions of this lens have a groove for the locking pin. This one doesn’t have it despite being an early type.

IMG_6433The bayonet can now be safely removed. Make sure that you remember its position. I got confused when I was putting this back since there aren’t any other features to remind me except for the slot for the locking pin. It should sit exactly at 9:00 on every F-mount lens.

IMG_6435Time to remove the base cover. It shields the screws on the lens and makes it look nice. I doubt that it’s glued so you can just use your hands to unscrew it. If it won’t move, just use some alcohol to soften the seal and try it again.

IMG_6436Removing the cover should reveal these screws. These hold the sleeve to the lens’ base. Mine are corroded and look disgusting.

IMG_6437The sleeve can now be pulled from the main barrel. Notice the brass shim, it looks out-of-place but it is there. I think it acts more like a gasket to prevent oil from seeping-out from this. A more sensible use for it is it’s used as a rail so that the rotating tube under it has a smooth surface to turn from.

IMG_6434This screw is there to prevent the lens from focusing past its range. You can extract it or just leave it there since it won’t stop you from dismantling the lens. I chose to unscrew it so I can clean it thoroughly.

IMG_6438Curiously, this lens doesn’t even have a proper helicoid and it uses a cam to focus. I know that this was made with cost-cutting in mind but this is simply ridiculous. Cams are used if you want a non-linear extension. This made a lot of sense with the GN-Nikkor 45mm f/2.8 since its focus can be synced to its iris and it has a non-linear iris. Inverse square is also a reason for using a cam because light doesn’t decay in a linear fashion. In this case, it looks like the cam method was chosen because it’s cheaper to implement.

To separate the telescoping tubes, carefully unscrew this and be careful not to crack that nylon-like nut. I remember that this thing consists of a spindle and that nylon-like thing and to put it back again, you will have to screw the spindle back first before you press-fit that plastic thing back into place. It is scary to do because this part can easily crack.

IMG_6439Once that thing is gone, you can now separate the sleeve where the focusing ring used to be connected to. Make sure that you do not misplace that brass ring.

IMG_6440The inner tube can now be pulled-away. This is where the thing that we just removed a few steps back used to be screwed to. Lightly lubricate the inner tube’s outer surface. Too much grease will only make this sloppy or hard to turn.

That’s simpler than what I was expecting. The simple construction showed how Nikon was trying to make a cheap lens by cutting corners where they could. A helicoid will make the focusing smoother but this cam worked just as well. The only thing that I’ll caution you is to be careful when turning it because that only thing that’s between you and ruining this lens is a small screw and a plastic part. If you over-turn it then this part may break under stress. Seeing the insides of lenses can tell you a lot about how to care for them. Proper care will assure that these lenses will give more decades of fun and not end up being junks (sold for parts).

Disassembly (Front Barrel):

I will condense the sections for the iris assembly, objective and front barrel into a single part because the lens is simple and I think that it makes more sense this way instead of having them in different sections which can just confuse you. This is unlike your usual F-mount Nikkor because it’s a preset-type lens and so our usual format won’t work. Again, use the correct drivers for the job and you should be fine.

IMG_6420This screw comes in contact with another screw inside so the aperture ring will not turn past its range. Remove the screw so you can turn the aperture ring all-the-way, this should help you position some of the parts inside while you remove it.

IMG_6449This is the screw that the previous one comes into contact with. Leave this alone, you can disassemble the lens without removing this thing.

IMG_6421The preset iris ring can be removed by extracting 3 small set screws around it. Notice that I still have it mounted onto the main barrel in this picture. It was done so that the front barrel will have something to hold it while I took this picture.

IMG_6428This sleeve can now be removed and it’s just screwed to the front barrel. It’s there to protect the lens from dust and also to make the lens presentable. I am not sure if there is a screw that’s securing this thing but in my sample, I found no screws connected to this at all. However, there’s a hole on one side and what that hole is for is unknown.

IMG_6429The preset iris ring can be unscrewed and removed just like this after you removed all of its screws.

IMG_6441The inner ring for the preset iris couples to iris via this screw. Remove this to extract the ring. This screw can be brittle so be careful when you remove it.

IMG_6442The ring should come off easily once the screw is gone. Please pardon the poor focus.

IMG_6443This bigger screw should be removed in order for you to advace.

IMG_6444Now that the screw is gone, you can now remove this brass spacer.

IMG_6445The rear optics assembly can be unscrewed just like this. You should do this earlier as soon as you have access to this. I don’t know why I only removed this now but here it is. Put this in a secure place like a small box.

IMG_6446To extract the front element, unscrew the bezel with a lens spanner. I would advise that you try using a rubber cup to remove this before you try doing it using a spanner. This is a prominent part of the lens and a metal tool might be able to scratch it if you are not careful. If this is stuck, just place a drop of alcohol and let capillary action do the rest of the job. These were commonly sealed at the factory.

IMG_6447You can now remove the bezel.

IMG_6448The front element can be removed with a lens sucker. It is obvious that the convex part should be facing forward but I wanted to warn you in case you don’t know this. Use a Sharpie and draw a small dot on the wall of the lens to remind you where this thing should be facing.

IMG_6467The 2nd element is secured by this collar. Mine was secured with lacquer so I just placed a drop of alcohol onto the hole beside the collar to soften it. If this won’t work and the collar is still stuck then you should probably use a rubber glove to give you some extra grip. Don’t use a lens spanner on this as it’s not needed.

IMG_6455The 2nd element can now be extracted using a lens sucker. Do not forget to make a small dot on the wall of the element to remind you where this thing should be facing.

IMG_6456The rear element is secured with a collar just like the 2nd element. Repeat what you did to the 2nd element but use a lens spanner this time. Be careful not to scratch the surface of the glass when you do this.

IMG_6451The rear element can be extracted with a lens sucker. Notice the dots that I drew on its wall, these dots signify that this is the 3rd element and the dots are placed near one side of the lens. This faces forward so the 3 dots were drawn closer to that side. Simple but very effective way for keeping track of things.

IMG_6457The front ring can be difficult to remove because it was secured with plenty of glue. Look at my picture to see what I mean. You can saturate this using MEK and let it sit for a few hours. Repeat every 30 or so minutes until you can unscrew this part with the help of a pair of rubber gloves. It took me a very long time to remove this so don’t rush it.

IMG_6453Once the front ring is gone you can now separate the objective’s casing even further. It is important that you clean this part very well to remove any old grease or oil. The spring is sandwiched between the brass rings. This spring pushes the aperture ring forward so it clicks back automatically.

IMG_6459The rotator cup is being secured by this brass ring. Remove it with a small precision screwdriver to pick it out.

IMG_6458It can now be safely removed. This rotates when you turn the aperture ring. I simply used my fingertips to remove this thing because my nails were long enough to reach it. You can also use a pair of tweezers and lift it by its walls.

IMG_6452This is our oily iris. This can be frustrating to reassemble and if you are new then go read my article about working with preset iris type lenses. Note how the iris should be re-assembled by studying this picture.

IMG_6465The iris can now be taken apart. I just dropped it into a soft surface. You can extract these one-at-a-time but that’s too time-consuming and may even be more dangerous. Use naphtha to clean the blades and wipe them carefully with a lint-free tissue. If you air-dry these then you’ll just leave some drying marks. I noticed that these are thinner than usual so handle these with care to prevent bending anything.

That’s all for the front barrel. The most difficult part for me was extracting the front ring. I wasted plenty of time just to remove it. I was not even sure how it should come off and where I should start but I will spare you all the trouble so I’m showing it all here to prevent you from making big mistakes. When re-assembling this, do not lubricate anything. It is the 2 rings that you turn that should be greased and by that you only need a very thin film of it on the threads just to make it feel smooth. The slots on the inner surface of the aperture ring should also be greased a bit so it clicks with no resistance. If you lubricated these too much then the grease will just end up migrating to the iris and its leaves, this is just going to cause you trouble in the future and you’ll have to open it again sooner or later. Clean everything very well before you even begin to re-assemble this.

Conclusion:

I enjoyed working with this. Its weirdness is a good break from the common lenses in the Nikkor lineup. I would like to overhaul another in the future. I will show you the S-mount version in another article.

IMG_6461What an ugly lens but it’s now working smoothly and I have replaced all of the parts that needed to be replaced such as screws, etc. It’s good seeing the fruits of your hard work.

Thank you very much for supporting the blog. If you liked my work, please share it to your photography group! This is the only site on this planet that shares information on things that not many people talk about. Nobody else makes a repair article for this lens and this is a welcome addition. See you again next time, Ric.

Help Support this Blog:

Maintaining this blog requires money to operate. If you think that this site has helped you or you want to show your support by helping with the site’s upkeep, you can make a small donation to my paypal.com (richardHaw888@gmail.com). Money is not my prime motivation for this blog and I believe that I have enough to run this but you can help me make this site (and the companion facebook page) grow.

Buy me a roll of film or a burger?

Thank you very much for your continued support!

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Helping support this site will ensure that this will be kept going as long as I have the time and energy for this. I would appreciate it if you just leave out your name or details like your countrym name or other information so that the donations will totally be anonymous. This is a labor of love and I intend to keep it that way for as long as I can. Ric.

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4 Comments (+add yours?)

  1. Trackback: Repair: Nikkor-Q.C 13.5cm f3.5 RF | Richard Haw's Nikon Maintenance Site
  2. jewelry
    May 31, 2018 @ 21:40:21

    When I originally commented I appear to have clicked on the -Notify me when new comments
    are added- checkbox and now whenever a comment is added I recieve
    four emails with the same comment. Perhaps there is a way you are able to remove me from that service?
    Kudos!

    Reply

  3. Trackback: Repair: Nikon 35mm f/2.5 Series E | Richard Haw's Nikon Maintenance Site
  4. Trackback: Repair: Nikkor-Q.C 5cm f/3.5 | Richard Haw's Classic Nikon Repair and Review

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