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Common Filter Threads On Duplication Lenses?

 
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Pillar of the Community
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 Posted 01/24/2015  11:51 pm Show Profile   Bookmark this topic Add CaptainFwiffo to your friends list Get a Link to this Message
Quite a few of us are using old duplication lenses for coin photography, and these tend to be M39/Leica mount. Is there a fairly standard size for the filter threads on the popular ones? My Apo-Rodagon-D is 40.5mm; is that more-or-less the norm or is it a pretty wide variety?
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 Posted 01/25/2015  09:50 am  Show Profile   Bookmark this reply Add rmpsrpms to your friends list Get a Link to this Reply
40.5mm is the most common. I'd say perhaps 1/3 of the lenses I have use it. Early Nikon was 34.5mm. Beyond this, there is a hodgepodge of different threadings, though most are standards like M43, M49 or M52.
Contact me for photographic equipment or visit my home page at:
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 Posted 01/25/2015  6:10 pm  Show Profile   Bookmark this reply Add CaptainFwiffo to your friends list Get a Link to this Reply
Interesting, thanks.
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 Posted 01/26/2015  01:05 am  Show Profile   Bookmark this reply Add austrokiwi to your friends list Get a Link to this Reply
With your "smile director" lighting modifier you needn't be too worried about filter sizes. Its fairly easy to get step up step down rings. For example 37mm-40.5mm:

http://www.ebay.co.uk/itm/37mm-to-4...em3cf021a457
Edited by austrokiwi
01/26/2015 01:09 am
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