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I’ve been asking for that for years, and Nikon delivered. Here is their conclusion: Nikon D600 Repairability Score: 2 out of 10 (10 is easiest to repair) The battery can be easily replaced by opening the compartment with your thumbnail. But we didn’t see what more information we’d obtain, and this disassembly had already been one of the longest ever. In my work I try to describe the function of the spring: tension vs compression. We used every type of flat instrument we had to free the flex up, from spunger to bamboo sliver, but the tug remained the same. The triangle just above the screw is another lineup marker. The neatly laid out and solidly adhered flexes reflect the careful design. While you were at it, you could have also pointed out the misuse of the contraction [it’s] = [it is] where the third person neutral possessive pronoun [its] = [belongs to it] was intended. Long ago, a visiting Canon engineer put a box on my workbench, grinned, and said: “You’re going to like this.” Then he pulled out a mock-up of the RF 70-200mm f/2.8 IS lens, and my jaw dropped. Plus the other side of that lense element is dirty and dusty. This is attached to the rear housing by one screw, and there should be a flat flex cable holding on as well. The engineering itself is incredible in most ways. Required fields are marked *, Adventures in Programming and Electronics. The springs sit about 1/3 of their length in fairly deep wells in the back of the focusing element. There doesn’t seem to be any reason to further deconstruct this part. Note that the AF controller is wired right to the AF motor, no connectors. Always be careful with the lens elements. The focusing group is right there at the back of the lens, held in place with collars and screws, so that was the obvious choice. Two screws hold that on, but before you remove that, there is also a silver tab holding some wiper arms, which is part of the zoom position sensor. As you can see in the images below, as you move the zoom back from 70mm, the secondary aperture closes. I’ll have to admit I was stuck for a bit at this point. Dude, you’re breaking my heart. The camera is close to perfect and I wanted to challenge myself so I whipped-out my Nikon FE2 along with this lens and shot these models. I would simply caution people that taking engineering reports of how well a given motor does this or that may not be very well reflected in how a lens performs autofocus. The next step is to unhook the flexes and sensors at this level. Now you should be able to see four screws around the inside that seem to be holding the front housing in place. I don’t have enough knowledge to comment other than the vague general understanding that EM is probably the fastest and stepper perhaps more accurate. The Nikon Z6 Disassembly and Teardown Nearly two months ago, we dove into the Nikon Z7 and showed you what was happing inside all the way down to the sensor. As I noted in my last post, I’ve recently bought a Nikon DSLR camera, which has sparked my interest in the interchangeable lenses. With these guides out, ensure that the metal guides and attached flat flex cables are free, because we will have to rotate the in between barrel. Your email address will not be published. We just couldn’t remove the rear inner barrel. There’s a cam that inserts into the zoom barrel, changing the size of this secondary aperture as you zoom. Stay up on all things Nikon. On the backside is a small cam that inserts into a barrel slot. Spoiler alert: we don’t find much else to complain about in this lens. Underneath the ring is the ESD pads that we got a peak of earlier. This contains all of the optical elements other than the front, the focusing motors, aperture assembly, and of course, the cams and barrels for the zoom elements. It has a very nice touch; the zero position is marked on it. Rotating the barrel shows the focusing range. Going back to the optical barrel, we get to see something we don’t see this well very often – the working of a secondary aperture. The zoom group came right out, complete with some compression springs and the untouched adjustment collars. Very common, the camera is dropped (use the neck strap people! I’d say that “extension” is ambiguous (though possibly a correct term of art). The ring came off with no damage to the flex, and now we could see why it stuck; we could free up the part that went straight down, but after we lost sight of it, the flex had two right-angle turns, both of which were taped down. I’ll take a moment to discuss that pretty yellow tape we’ve seen scattered about the lens. By Roger Cicala. Jan 15, 2020. As I mentioned earlier, I am not a patient man. It’s a really minor thing, and yeah, we can super glue it back down, but this is too frequent. While we were looking around, though, we did see that there was a nice adjustable eccentric collar under the display ring. It has the zoom position sensor strip and the vibration sensors attatched to it. Hailed as one of the optic nerds here, I enjoy shooting collimated light through 30X microscope objectives in my spare time. This can be done with a small flat screwdriver, but be careful, as the connector is mounted on another piece of flat flex, so it will feel a bit loose. You can also see evidence of the first attempt at a simple fix, as there is cyanoacrylate (SuperGlue) residue around the connector. May 14, 2020 Lensrentals cracked open the brand new $9,500 AF-S NIKKOR 120-300mm f/2.8E FL ED SR VR lens this week, putting the behemoth of a zoom lens to the test. Notice again the yellow tape placed beneath every screw hole. A clean room. But Nikon lenses have always been a bit ‘old fashioned’ and different from other SLR lenses, so we weren’t sure what to expect. 77mm filters, 28.1 oz./796g, 1.6'/0.5m close focus. The Nikon 35-105mm f/3.5-4.5D AF push-pull zoom is a great FX lens that works perfectly on all FX digital and 35mm Nikons.. Four years ago, Sony fired the first shot of this battle with the A7 and continued to release one iteration after another, each improving on the last, and did so completely unanswered by the competition until August 23rd of this year when Nikon announced the Z7 and the Z6. Nikkor lenses are born from a tradition of elite craftsmanship and a pursuit of optical perfection more than 80 years in the making. The helical barrel should slide off the inner lens. The autofocus switch also has a mechanical part that disengages the gear for the autofocus motor to allow manual focusing. I see two screws that seem to be holding the assembly around the motor together, so I will remove those. A good #00 or #000 phillips driver is recommended. In addition to the Nikon Z7 teardown by Kolarivision, LensRentals also published their teardown of Nikon Z7 full frame mirrorless camera. Nikon D5100 teardown. When I do take real pictures I like using something different: a Medium format, or Pentax K1, or a Sony RX1R. Today’s specimen is a an AF-S 18-55mm 1:3.5-5.6 VR lens. We even removed the rubber and the underlying shield tape to see if we could get a look from the other side. There is also a second set of screws holding the front barrel on to the inner assemblies. I don’t know. Each of three long screws is removed. This camera has already made history for me. Here’s a good shot of the adjustable collar for the mechanical aperture function (top center). Entirely our fault, now that we know the right way in it could be done in a couple of hours, tops. If you notice what Aaron is holding in his right hand below, it’s one piece. Even the insides of the pressed in brass screw slots are taped. It’s held by 3 screws in the mount ring. The baffle is felt-lined, whether for absorbing light or dust, or both, we don’t know. New replacement connectors on EBay run around $20, which is more than what I paid for the lense and almost 25% of what a similar lens would cost new/refurbished. Now there will be a 20-minute break while Aaron replaced collars while holding the group, so it didn’t fall forward and bang into stuff. Scott Adams would describe that as your having added an element to your “talent stack” which is the essence of different fields of expertise “coming in handy”. The next obvious move was to take off the rear element. Very informative and you’re a damn good writer too! Thanks a lot! Another nice touch is Nikon has put line-up markings throughout the lens so that during reassembly, you know precisely how round pieces are supposed to line up. Nikon Z6 teardown shows that it’s just as solid and well-built as the Z7 EOS R6 teardown reveals the timer chip that’s holding the camera back The first teaser video for Nikon mirrorless camera has been published This is how an insider describes the back of Nikon mirrorless camera body Cotton = massive source of fibers. Nikon 24-70mm f/2.8 Z Lens Teardown Reveals Incredible Engineering and Brand New Design. But there’s dust in them when they arrive from the factory, there’s more dust once you use them. All of those things are removed next to take the zoom barrel off. These seem to be a ‘flip up’ type, and the cable should remove easily after flipping the black part of the connector. Film SLR Cameras Since 1948, our film cameras have been loved by photographers around the globe. But even I admit they have a point when a brand-new lens gets a huge spec inside. This seems like a good next step. Bad. Removing these proved to be difficult, as the screws were very tight. Nikon 24-70mm f/2.8 Z Lens Teardown Reveals Incredible Engineering and Brand New Design LensRentals ‘ Roger Cicala finally got a chance to crack open the new Nikon Z-Mount 24-70mm f/2.8 S lens, and what they found inside should make Z shooters happy. All the screws have Loctite to hold them in place, but extra dried Loctite can break off and become that ‘huge’ chunk of dust in the lens. We moved on to taking off the mid barrel, removing the screws that obviously held it in place. You can see the force, at least one of them, inside the barrel in the image below. After thous are removed, the front housing is almost free, as there is a silver tab holding it in, that appears to serve as a limit for the zoom twist. Nano Crystal Coat. DL Cade. There are two tabs on the side of the ribbon to help with that. AF-S NIKKOR 24-120mm f/4G ED VR camera lens pdf manual download. Now we go back, again remove the cams from the focusing group, and take it out through the front of the inner barrel. Aaron could feel the tug when he started to pull up the barrel. These can be had on Ebay from $20-30 including shipping if you are patient enough. So basically, you have to remove most of the front barrel hardware to take off the focus ring and rear barrel. So if you break off the filter ring or hood slots, this is the disassembly that has to be done to replace it. Today, we did the same with the Z7’s standard resolution counterpart, the Nikon Z6. We were concerned that streak was about to end, but it was getting close to lunchtime, and we were hungry. It is the way. It connects to the main board via flat flex cable. There is a set of three springs keeping separation force between the rear element and the main focusing element. I’m going to continue by removing the two circuit boards. This is a self-contained unit. Entry level + full-frame = Nikon D600. I have seen many videos on sensor cleaning, but of course suspect few people do more than give them a passing blow. For this lens, replacing a broken filter ring means a major disassembly to replace the front barrel. Check Price. needed for f/2.8 at 24mm focal length. Notably, trying to find cheap lenses on EBay and repairing them. (I read this article about being a better writer, and it said to use foreshadowing. 2 sept. 2013 - The website ifixit.com published their detailed instructions and pictures on how to teardown a Nikon D600 camera. This lens was a joy to use, I gave the Nikon Z7 back to the Nikon staff after a minute or so with it because it was too easy to use. There are mechanical zoom stops (the two slotted screws) that are nice and robust, and again, good weather sealing between each outer barrel. A metal piece in the back of the connector can be slid out to separate the cable from the connectors. Share. After both of these are removed, getting the front housing off is still a bit of a challenge. I destroyed the first of drivers I had been using trying to free these screws. The rear view of the assembly shows just the backplate and the four screws holding it together. Many of you know my attention span is limited, so I suggested we inject alcohol into that area to loosen the adhesive and then pull the ring off, or let her rip, whichever happened. When the screws are removed the lens should just pop off. That was not well thought out; those are common repairs, and they’re going to be pricey on this lens. Your email address will not be published. You can remove the rear housing now, which exposes the two main electronics boards and allows you to disconnect the main connector. I left it for you to do. There’s another light baffle back here, which is always a good thing. He’s never seen a clean room either. OK, let’s take a moment for me to give some props. To the left of the buttons, the gray plate is an anti-reflective/antiglare plate that was under the actual display. The "new" lens sports only two real changes, neither of them useful: you get some trim that is nostalgic (but not a totally nostalgic aperture ring ;~), and the focus ring has been adjusted to … Tape is probably an inadequate description; that’s a nice piece of 0.5mm heavy-duty plastic. December 26, 2015 – 11:36 pm; Posted in Uncategorized; Introduction. At the end of the article, Roger Cicala said the Nikon Z7 “is a damn well-built camera, the best built mirrorless full-frame camera we’ve taken apart.”. Expert news, reviews and videos of the latest digital cameras, lenses, accessories, and phones. We were interested in this disassembly, and by interested, I mean both excited and nervous. Except we discovered that once it was fully released and free in the back of the barrel, the focusing group won’t fit through the rear of the lens barrel. (This was going to be more foreshadowing, except I ended up not talking about it anymore.). ARRI put out a PR video not long ago of the clean room they do lens repair in, and the technicians are not wearing covers for their beards. Here’s a side view of one of the motors along with a position sensor. But you know what I’ve never seen? Finally, Aaron found an almost invisible seam that indicated a possible makeup ring and using the rarely required thumbnail tool was able to remove it. (We couldn’t see exactly what was going to come out at this point, but we were comfortable something would. This assembly is basically two parts with three compression springs pulling the aperture assembly (in the front) towards the zoom element (in the rear). For the purpose of repairing the lens, I may be able to clean the glue residue off and with some kapton tape and delicate soldering, maybe repair the flat flex. While using glue could be considered the first mistake, as the plastic rings are very cheap to acquire, I feel their second and fatal mistake may have been an simple one. I’m Roger and I am the founder of Lensrentals.com. The threads in these cylinders are deep and the screws sit recessed, so we can’t attach the these parts to the back of the screw sheet. ... Nikon 120-300mm f/2.8 Teardown … Disassembly to this point just for some cleaning would not be recommended. As you can probably tell from our struggles doing this disassembly, the Nikon Z lenses are very different than their legacy lenses. A small metal tab that appears to limit the twist of the zoom barrel. As I noted in my last post, I’ve recently bought a Nikon DSLR camera, which has sparked my interest in the interchangeable lenses. It’s for what we refer to as FELD (First Expensive Lens is Dusty) syndrome. It’s like poking an open wound . As you can see from the image above, Nikon puts actual connectors in the flex runs that can be disconnected; we much prefer that rather than long runs of a single flex that has to be traced and untaped. They have one at JPL, but that’s different. Things. It will not be at all cheap. Finally, the Nikon Z 24-70mm f/2.8 S Lens Teardown. A look underneath the display ring shows you the button on the ring, just a rubber stopper that pushes the real button underneath, which allows more complete weather sealing. There is only one screw in each board, so that part is easy. Next I’ll remove the rear most lense element. From the depths of the ocean to the furthest reaches of space, Nikkor has always been the eyes of Nikon. But the lens is well-engineered, and I see no other weak points to make me think it will be anything less than reliable. This should prevent any barrel sag in the extended position. As I’ve wished for dozens of times, Nikon has now made a neatly engineered lens with flexes laid out logically. As we saw earlier from the top, there’s a cam that goes into the zoom ring, mechanically closing the aperture as you zoom to maintain f/2.8. I’ve been to a few dozen factory and authorized repair centers. Some new coatings are used on these elements, so we’re avoiding touching; some coatings are more delicate than others. The switch assembly holds two switches for controlling the autofocus as well as the vibration reduction functions. The posts removed quickly. I’ve been doing this stuff for a … You may have noticed the spacing shims in the above photograph; there are three different sizes in this copy, so definitely, these are an adjustment, probably for infinity focus. This seems like a good place to stop. At this point the CPU is removed, but the AF controller is still attached to the AF motor. (Quiet Contemplation, of course, means softly muttering unlikely descriptions of the possible parentage of this lens.) ), the lens hits the ground and the plastic mount ring on the lens gives way to the metal ring on the camera. Nikon developed an entirely new system of lenses and the Nikon 1-mount lens mount for the Nikon 1 series. As far as I know, these are some type of shim devices to manage how far the mount ring sticks out. That’s why you see us putting little marks on them during disassembly.). Going in from the back, we start by removing the usual three tiny screws that hold the rear baffle in place. At the end of the article, Roger Cicala said the Nikon Z7 “is a damn well-built camera, the best built mirrorless full-frame camera we’ve taken apart.” Previous Story Irix announces 45mm f/1.4 manual focus lens for Fujifilm GFX system Back To News canon canon rf 100-500mm lens lensrentals news photography teardown When these screws are removed, there are small cylinders that will pull out. Just so you know, my original title was “Lens Disassembly is a Complicated Profession. This device shorts traces on the zoom position sensor so the CPU can report the current focal length to the camera. This decorating theme is carried throughout the disassembly and gives the lens a bright, beachy feel (yeah, I been watching HGTV some). So long, in fact, that Aaron left things out to put back together tomorrow. Roger, I am no expert, and I’m not trying to suggest I am. FX lenses will fit both types of … To put it in perspective, lunch is usually between disassembly and reassembly. Roger and Aaron at Lensrentals are back again with another lens teardown; this time, the Nikkor AF-S 120–300mm F2.8 FL ED SR VR lens.. Here it was lunch break, and we weren’t even halfway done with disassembly. The focusing group is self-contained. You could see the weather sealing in the above image, but this one also shows the ESD (electrostatic discharge) cushions that are under this ring. My suggestion of ‘get a saw’ was overruled, and instead, we took a lunch break to regroup. Nope, I’m obligated to only point out 1 error / post. I attach the anchors to the backs of the screws in the screw card so I don’t lose them. With those removed and a few more things detached, we were able to slide rear inner barrels off as a unit. Conclusion from LensRentals:. The lens control barrel isn’t attached mechanically, so these two barrels can be separated. First, remove all the connectors. Get answers to your questions in our photography forums. This is the electrical interface to the camera. It makes us sound all professional and such. Here’s a look from inside at the travel of the focusing group. You know shit’s getting real when Aaron puts on gloves. More specifically, to record all the internal parts, such to examine the used part market on these items, as well as to increase my understanding such that I can perform more complex repairs in the future (my first couple attempts were easy). Bad things might happen. Nobody wears those in real life either. For consumer camera lenses, a clean room is really not very necessary, and it’s easy to blow $10k/mo maintaining one properly. Even after removing the screws, it took a little force to pull it off, almost a suction-like effect. But after seeing it (I don’t remember anyone else that has it), it just seems like an all-around good idea. A third screw on the inside of the lense holds a pogo-pin type connector that serves as a ground connection to the camera body via it’s metal mounting ring. The electronic zoom sensor is held in place by a couple of screws (already removed in this image). However, those two bends took all the direct tension off of the flex during removal, so there was actually little danger of tearing it. Every person turned their head to me when they saw what I did. There’s the usual rubber weather sealing ring under the bayonet. Despite all this, the bottom line is 45 minutes later, we still hadn’t gotten the display barrel off and couldn’t see where the flex was stuck. We’ll look fondly back on this step, because ‘slides right off’ isn’t going to happen much more. 0. We’ll have to remove these to get the lense out of the helical barrel. Because on April 10th I bought a Nikon D3100, not knowing about the new D5100. Once removed, there were also the anchors they were screwed into sitting into a channel in the inner lense assembly. We can also see the optical sensor that is activated when you turn the control ring. Rotating the zoom barrel moves the cam up and down, and the sensor reads that position. Now, here’s the bad news. View and Download Nikon AF-S NIKKOR 24-120mm f/4G ED VR user manual online. Someone’s been watching too many videos where the techs where those white cotton gloves Nicely done, Nikon. There is also an electronic aperture control inside that makes the aperture even smaller if you stop the lens down — very elegant piece of engineering. Props again, though, because being unable to see the seems is an indication of how precisely even these decorative parts are being made. The flex goes to the A/M switch.

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