🔴 HOW TO! | Have you checked INSIDE your lens(es)? (Tools to clean/ CLA your camera lens)
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- Опубликовано: 28 июн 2024
- I can't belief it took me 10+ yrs to work this out! Cleaning vintage Leica lenses is super easy
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Fun and useful info! Practicing on a cheap lens is very good advice! A few more tips/cautions: (1) If you take elements out of the lens, make sure you keep track of which side faces up/out. You'd think it would be easy to tell when reassembling... until you run across one where it's NOT easy to tell. Reinstalling an element the wrong way 'round is likely to reduce the performance of the lens. (2) When disassembling, watch for and keep track of shims. These are thin rings used to get precise spacing between pieces. Usually they're metal, but some Soviet lenses have paper shims; they work fine, but are more delicate. (3) If a threaded ring won't turn with your spanner or rubber cup, check along the edge to make sure there isn't a tiny setscrew/grubscrew holding it in place. If you miss this and try to force the ring off (tip #0: never force anything!!!) you'll gouge the barrel. Sometimes these screws are very cleverly hidden.
Thanks James! Excellent tips, especially the little screw. Noted!
@@MattOsborne-MrLeicaCom Don't ask me how I know about that…
Good to see you on the way to DIY lens cleaning. One piece of advice: If you begin with lens cleaning, don't stab at the dark. Look for a good tutorial on the specific lens you want to clean. // Cemented elements: No, they almost never pose a problem. The cemented surfaces are naturally protected against the environment. There are only very few cemented lenses where the cement is known to deriorate or even separate. (The Canon on your table is not one of them.) // In most cases you want to get to the glas surfaces facing the aperture blades. That's where the haze builds up over time. // Microfibre cloth is super for spectacles, not for lenses. As soon as the cloth picks up the tiniest amount of grease, it's "contaminated" for good. I prefer using loads of Q-tips in combination with Kimtech tissues (there may be other brands just as good). In any case, avoid wiping dry!
Thanks. The photo on the cover is my Canon 50mm f1.8 and most info I’ve read says it normally suffers from haze/ fogging. (I bought a second one to use as they’re decent when working). I bought some lint free tissues but they seem to introduce micro scratches so I thought to recommend ‘safe’ clothes instead. Yes to having clean ones.
@@MattOsborne-MrLeicaCom Haze yes, but not (usually) _within_ a cemented group. Take out _all_ four lens groups (6 lenses in 4 groups) and inspect them individually! The Canon 50/1.8 is easy to work on. See e.g. ruclips.net/video/HX93S2iuG5E/видео.html
Too bad I couldn't make it to the call, thanks for putting the info out there for everyone, and thanks to Tobi ofcourse! At least this motivated me to try it, might grab one of my old heavy turning Minolta lenses...
No problem and hope you’re having a great trip!
Great do see you make your way into cleaning. It's a really usefull skill. A few lenses are already hard to get in great condition and others get foggy while you have them. I just realized that my 50mm f2 Summicron gets a fog "ring" on a inner element. I have it now for almost 15 years and it's from 1952.
Hey Tobi, thanks to you for the pro-tips prior to making this video. Yes my first 50/1.8 got the issue during ownership
Just an extra cautionary point Matt, be very careful with the seating area where your lens element sits. It should be clinically clean. As little as a few hundreds of a milimiter of debris or dirt will cause lens misalignment.
Ah yes. The decentred lens issue. Great advice thanks
Great video. I would strongly recommend using a dedicated lens cleaner rather than alcohol. All coatings aren’t created equally so using a dedicated lens cleaner would be the safer choice in my opinion. I learned this after using alcohol and destroying an old Kodak retina rangefinder lens.
Thanks Bob, great advice. Okay noted.
Wonderful. Brilliant. Thanks for showing how and providing encouragement. Your contributions are immense.
Thanks Sandy!
Many thanks Matt.That was super.Try to make some easy repair carful cleaning of my camera gear.Your Leica focus adjust was great.😃
Thanks! I must thank my Patreon Tobi for how to grease the lens so smooth.
MATT : This is a great video , I have tried cleaning my M42 A. SCHACT ULM lenses with the " inner barrel " when the feathers or blades in the 16 blade aperture malfunctioned , those lenses are very complex ... ended up having a Master in JAPAN assemble 2 lenses into one , out of the best components. I now have 2 superb quality 90mm 2.8 A.SCHACT ULM 16 blade 90mm lenses and in the correct cylindrical original cases , with original caps. I love those 2 lenses too . Good video. 💪🏻
Nice Chris! They sound very complicated haha
Thanks!
Thanks Chris! Very kind and much appreciated.
brilliant !
Thanks!
Nice tips, I found that in a pinch you can use the back of a set of digital callipers if you're careful. :D I managed to open up and fix a Summilux 50mm by doing that but obviously the proper tool for the job is a lot better/safer.
Thanks Henley, nice! Agreed, having the tools does make things easier.
great video,and great tips, i wonder if can repair the light leaks in the bellows of some of my vintage folding cameras with liquid electrical tape .... ?
Thanks! You could try. It's not expensive so worth having a go
Many thanks for this video. I wonder whether there is any risk of “unsealing” the lens parts and then humidity can enter inside when using it outdoors (rain, snow, seashore,…)
Interesting thought. I’ve never seen that documented but possibly with more modern lenses.
CANON L39 50mm 1.2 are known for the failure of the optical block bonding , the ONLY repair is at KANTO CAMERA of JAPAN ... they have new optical blocks made , and I have this block in my 50mm 1.2 L39 lens ... this is an oft ignored lens , as it is the little brother of the CANON 0.95 Dream Lens , that I also have.
Thanks Chris! 1.2 video is coming! Very nice lens for sure.
Nice tips…..thanks !
Thanks Michael!
O Matt! The idea of self, or anyone other than experts in a clean room, touching my first generation eight element 35mm Summicron fills me with horror!
Haha, yes that makes sense for expensive lenses for piece of mind!
Great video Matt...Do you have any tips for when it comes to single or multi-coated lenses. Is it safe to use the Isopropanol alcohol on them ? Cheers, Kev...
I’m be seen some popular RUclips repair guys use alcohol but one comment suggested be careful with older lens coatings. I’ve had no issues so far.
Hi Matt👌👌
Did you mend the M3 at the back of the cloth yourself, was there a tear? Hmmm ok I think you know what you are doing and know your way around. Of course, it's also much cheaper than having it done by a professional workshop or directly by Leica. I wouldn't dare 😁
Lg Anderl
M3 yes, if small hole you can fix but not tear.
@MattOsborne-MrLeicaCom is understandable, a crack is of course worse and shouldn't happen even a hole. but at least it's easy to repair that way.
Did you use ZEISS LENS WIPES CLEANING to clean lens glasses? People say Alcohol will damage lens coating. Zeiss lens clean wipes 100% protect coating, n clean very good .
Thanks I will look at Zeiss wipes. I saw them online.
cool... i have never cleaned any of my lenses.. probably leave it to the tech' but would be useful if i had anywhere near the number of lenses as you =)
Ha thanks, yes! It'll mostly when I buy old lenses that could benefit from a clean or re-grease