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12-04-2014, 12:54 PM   #1
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Seeking Advice RE: PK to NEX Adapter

Do you guys think this is a good purchase? It will let me use Pentax lenses with my NEX-7. Is there one that will allow AF too? I do not think this one will.

Pentax Da Lens to Sony E Mount Adapter Aperture Control NEX7 NEX6 NEX5R NEX5N | eBay



12-04-2014, 01:46 PM   #2
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There are no adapters for E-mount to K with AF, not even autoaperture. With the one you link you can atleast control the aperture manually on every K-mount lens.
12-04-2014, 07:31 PM   #3
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There seem to be a lot of these offered, ranging anywhere from about $10 to $300. It is sometimes not obvious which ones control aperture and which do not, but clearly none offer any time of electronic connection between the camera and the lens.

The first version I received from Amazon fit neither the PK lens nor the A6000, so I'm still waiting for one upon which I can report. Few may have the spare change to pay for a selection of the expensive models, but it would be great someday if someone could do a comparison and review.

BTW, I wanted badly to like the K01 as much as the latest compact Sony E-mounts with built-in EVF, fast autofocus and wireless flash. That would solve all the converter issues.
12-05-2014, 01:17 PM   #4
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What is wrong with this one: ?
It has the aperture control as well.

12-05-2014, 04:12 PM   #5
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MF is so easy on Sony mirrorless go for it. Be warned these adapters are so cheap...soon you may have multiple adapters. I started with Pentax k adapter now I have yashica, Konica hex,canon FD,canon eos,Nikon,m42,m42 helicoid,m42 tilt,OM system,minolta I can't resist when I see a lens that would cost 2x as much on Pentax. For example I just picked up a Tokina 80-200 2.8 yashica mount for $40cad at a camera show.(I didn't have the adapter but ordered one for $10)
I've only gotten one bad adapter..the mount was 90deg off axis..didn't effect image quality and the seller refunded and told me to keep the bad adapter.

Last edited by Sliver-Surfer; 12-05-2014 at 04:28 PM.

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