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01-15-2017, 07:18 PM   #1
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Helping with mount

Hi! I found some manual vivitar lense and the seller doesen't know the mount of the lense. What is this mount:



the main question is this for pentax and if it's not can it be adapted for pentax

01-15-2017, 07:46 PM   #2
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Not K-mount. Looks line Konica to me. Konica had the shortest focal flange distance of any SLR mount so it can't be adapted to anything but mirrorless without optical correction.
01-15-2017, 07:59 PM   #3
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Please take a look at this post. It might answer your questions. Your lens is longer and might be easier to adapt then the one from the link.
01-15-2017, 08:06 PM   #4
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QuoteOriginally posted by boriscleto Quote
Not K-mount. Looks line Konica to me. Konica had the shortest focal flange distance of any SLR mount so it can't be adapted to anything but mirrorless without optical correction.
Yes...definitely Konica mount. While it can't be adapted, that does not mean that it can't be converted to K-mount using common tools and a flanged M42 adapter. There is an article on this site that describes how to do it:

https://www.pentaxforums.com/forums/54-pentax-lens-articles/56234-konica-mino...ld-lenses.html


Steve

01-16-2017, 02:21 AM   #5
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It's vivitar 400mm f/5.6 so its not that short . Anyway all adapters i can buy are welcome
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