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07-18-2012, 07:59 PM - 2 Likes   #1
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great video on lens repair


most done without fancy tools..good for internal fungus, etc

enjoy

thanks

randy

07-18-2012, 10:09 PM   #2
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I've added a link to my Lens Disassembly Database
If you happen across anything that isn't already in there let me know and I will add it in.
07-19-2012, 03:34 AM   #3
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QuoteOriginally posted by Chaos_Realm Quote
I've added a link to my Lens Disassembly Database
If you happen across anything that isn't already in there let me know and I will add it in.
thanks

randy
02-11-2015, 02:13 PM   #4
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Thanks for this info ...

I have M 50/1.4 that I performed the initial cleaning, but was not sure how to attack the middle element group.

Salut
, J

02-11-2015, 05:16 PM - 1 Like   #5
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Fairly well done video - provides good information without words.

I'd suggest a couple of cautions, though:

- Before removing any glass elements, put small registration marks on or at the edge of the element and the adjacent mounting ring. Use a water-soluble marker. The marks guide the remounting of the element to ensure its original alignment or positioning. Wipe off the marks after reassembly.

- On most Pentax lenses, JIS screwdrivers are essential to avoid damaging the screw heads.

- When loosening rings or other parts, be careful -- very careful -- with the calipers. One slip can seriously scratch and ruin a glass element.

- Craig
02-11-2015, 05:26 PM   #6
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great video!...this is something that I'd like to try out on a bargain fleabay lens.
I love how relatively easy it is to work on those old manual M lenses...they were simple and built to last!
05-20-2015, 10:24 AM   #7
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Thanks, it is very well done.
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