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05-04-2011, 04:05 AM   #1
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Found a couple of old Lenses

This evening I was digging through a cupboard and found my Mothers old Praticka MTL-5.
Taking a closer look, I wondered what lens fitting the old beast used.
Whaddya know! M42

So on the camera is a Pentacon 1.8/50mm and in the bag a Duo-Tamron 4.5/135mm with the 7.7/225mm adapter.
Now, I have zero idea what these lens are like, but for the price of an adaptor - I'm willing to find out

So... I get the impression there are good and bad M42 adapters. What suggestions can I get that would suit these lens and my GX20 the best?

Cheers all,
Lurch


Last edited by Lurch; 05-04-2011 at 04:06 AM. Reason: typo
05-04-2011, 04:17 AM   #2
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I would suggest to use only the Pentax K adapter to ensure infinity focus. Here is the information...

hope that helps...

05-04-2011, 06:58 AM   #3
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I have true Pentax adapter and many 3rd party ones. The latter ones I mount onto the lenses I use frequently and if possible I drill a hole to the lens body for lock pin. Ebay has these adapters for less than 10 bucks sometimes.
I am waiting for the 50/1,8 to arrive. I bought it just for compare with Helios 77M4. It should be identical and some say it is not as well made as Helios. Anyway it went for 12.
05-04-2011, 07:14 AM   #4
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+1 for the original sicne the 3rd party ones that have infinity focus are a hassle to dismount from the camera (they even come with a special purpose tool).Unless you are going to mod them to be permanently attached to the lenses the best option is the original one (wich was like 60$ on ebay).

05-04-2011, 09:01 AM   #5
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When you have just very few M42's, the Official Pentax Adapter is best.
When you start accumulating dozens of them, permanantly-mounted cheap clones are fine.
If you plan to use a lens only for closeups/macros, cheap flanged adapters are great.

Your Pentacon 50/1.8 is a later branding of the legendary Meyer Oreston, renowned for being sprinkled with pixie-dust. It close-focuses to about 1 foot, has great bokeh, and is a real winner! More than a few manual-focusers list it in their Top Ten. I don't know the Duo-Tamron, but give it a few shots and report to us, eh?

Last edited by RioRico; 05-04-2011 at 06:51 PM.
05-04-2011, 05:07 PM   #6
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QuoteOriginally posted by RioRico Quote
I don't know the Duo-Tamron, but give it a few shots and report to us, eh?
\As soon as I can source a genuine adaptor - I certainly will
05-04-2011, 05:12 PM   #7
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I've emailed both the supplier listed in the link above as well as C.R. Kennedy here in Oz.
*Fingers crossed*
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