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Old Apr 6, 2006, 4:31 PM   #1
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Can you take some of these SLR lenses apart and remove the glass?
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Old Apr 6, 2006, 6:36 PM   #2
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I'm pretty sure there's a way. For instance, there's a bunch of screws at the back of the kit lens, and someone said they took apart a 70-200 L (broken). But I'm pretty sure the lens will never be usable again.
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Old Apr 6, 2006, 9:16 PM   #3
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It got put together so it has to come apart. I know if I was to try, I'd have enough parts left over to build another one. :lol:I'm sure that it was put together with precision, super fine tools and expertise but HEY!!... who says you can't be gentle with a hammer, screwdriver and an oil filter wrench.
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Old Apr 7, 2006, 9:50 PM   #4
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You certainly can. But can you put them back together again?
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Old Apr 13, 2006, 11:58 AM   #5
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What are the important things.

1/ the correct tools.

2/ Good eyesight.

3/ Steady hands.

4/ Clean working conditions.

I have repaired a few,( sticky diaphragm blades etc)

but that is the most difficult part. Some are enclosed in a housing. Others like zeiss fall apart when you remove them.


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Old Apr 13, 2006, 12:52 PM   #6
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The best way I've found is to submerge it in liquid nitrogen for 4 seconds (don't get any on you!!), take it out with tongs & lay it on a solid surface. One small tap with a ball peen hammer will quickly take it apart! :blah:
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Old Apr 13, 2006, 1:03 PM   #7
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Here is my attempt.
(Old image I originally posted to Funny Fotos Forum).
There are quite a few bits inside even the cheapo lenses. :?:blah:

Enjoy...
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Old Apr 13, 2006, 9:13 PM   #8
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PeterP wrote:
Quote:
Here is my attempt.
(Old image I originally posted to Funny Fotos Forum).
There are quite a few bits inside even the cheapo lenses. :?:blah:

Enjoy...
I think I can fix that, I just got a brand new roll of duct tape.:lol:
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Old Apr 15, 2006, 3:30 PM   #9
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I have an old Pentacon 200/4 M42 lens that I wanted to try on my new camera to see if I can keep it. My apperture ring stopped working.

This lens is quite simple (6 elements only) and robust and it was easy to put it appart. Then I disasembled apperture mechanisam. HUUGEE mistake! But, unbelivably, after couple of hours of trying I put it together and it works!

You need apsolutely good set of miniature screw driver and be prepered to take pictures as you progress. Do not relay on your memory. You will always miss some detail like "where this part goes?".

I think if you have an expensive lens it is not good idea to play with it. Todays lenses are way complicated and sensitive and probably require special tool and equipment. If you have some older lens and good nerves, it may work. Sometimes those old lenses are good.
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