Aberrations


posted on 21st of november, 2012

Two days ago, I bought a lens adapter so I can use old Nikon Film lenses with my camera. But the night before that, I cleaned a 50mm prime lens myself. I disassembled it and reassembled. Yeah. I know about the do-not-disassenble-lenses-or-else-you-risk-getting-lens-elements-out-of-alignment but I still did go about disassembling it. The huge screws on the metal mount of the lens was very tempting.

I bring along my camera and the 50mm f/1.4 attached to it every time I go out so I can do some test shots. There arose a problem. I couldn't get focus at infinity. I suspect the adapter caused it so I had this unusual idea of partly unscrewing the rear element so it will be closer to the sensor so it can get focus at infinity. I did get infinity focus.

Pictures were fine after I reassembled...

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Comments (5)

Posted by Debramillet on November 24, 2012
Great article, learned alot, Thanks!
Posted by Leakeem on November 22, 2012
Thanks for sharing this info! You really had some nerves to clean the lens by yourself! :)

It's a prime lens so I guess that's why it is easy. I wouldn't dare do that again on zoom and AF lenses.
Posted by Leakeem on November 22, 2012
Thanks for sharing, good to know. Off-topic: there is an urban legend about some lenses which have inside a $1 silver coin. Did you find one?

Nope. No $1 coin. but I did find a disturbingly large amount of dirt. It was hard to clean.



Comments (5)

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(Leakeem)
Mandaluyong City, PH

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