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11-12-2013, 08:25 AM   #1
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Adapter Pentax - Rollei

I have 35-50-135 Zeiss Mendes I used on.my analogical Rollei SL35 camera. I should like to test them on the K-5. I know they shall work only in manual mode.
In Italy I am not able to find a adapter having a Rollei female and a Pentax male fitting.
Please, may you suggest a USA, or any other country, vendor
I try on ebay.com but i was nor able to find anything.
Thank for the assistance.
Ezio

11-12-2013, 10:03 AM   #2
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The Rollei SL35 has a registration distance of 44.6mm, the Pentax is 45.46mm, so there is no way to achieve infinity focus to start with since the lens must be 1mm closer to the sensor than the mount allows. Add to that the fact that the adapter is going to add even more distance means that (especially with the 35mm) you will not be able to focus very far.
11-13-2013, 02:51 AM   #3
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Could I use at least the 50mm for macro?
I have also a old Soligor 28mm f 2,8/16 with M42 fitting. It seems easy to find an adapter M32-K. Do you think it could be useful for macro, eventually with extension tubes?
11-13-2013, 03:58 AM   #4
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They could all work for macro, if you can find adapter. I've never seen a QBM to Pentax adapter before.

Another option if you just want them for macro is to reverse mount them, this will increase magnification. Just get a reverse ring that matches their filter ring. It is pretty limiting, since you have no variable focus capability unless you buy a bellows or helicoid.

11-13-2013, 08:55 AM   #5
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Elliot,
thank you for your assistance.
I think the best solution is to accumulate money and buy 100mm macro Pentax. I saw several very nice photos made with it. In Italy it costs about 750 USD.
Ezio
11-13-2013, 09:01 AM   #6
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QuoteOriginally posted by Ezio49 Quote
Elliot,
thank you for your assistance.
I think the best solution is to accumulate money and buy 100mm macro Pentax. I saw several very nice photos made with it. In Italy it costs about 750 USD.
Ezio
Look for a used FA or D FA 100mm. They will cost quite a bit less than the D FA WR version and are optically the same.
11-13-2013, 11:38 AM   #7
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Thanks Boriscleto, i shall do.
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