Pentacon Six to Mamiya 645 adapters

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ntenny

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Portland, OR, USA
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I have a Mamiya 645, and I’m tempted by some of the interesting Pentacon Six lenses. I am unclear on the quality of the adapters currently available:
- hartbleilens.com seems no longer to offer this particular adapter;
- hartblei.com I understand to be involved in a dispute with Hartblei, and I’m not clear if their adapter is any good or if they’re a reliable source;
- various no-name eBay adapters could be of any quality from “perfect” to “doesn’t work”;
- kamerastore.com lists a generic adapter as unavailable.

Can anyone speak to the quality of a P6/M645 adapter that’s actually available?

Thanks
-NT
 

Alexander6x6

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Joined
May 30, 2025
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Location
Heidelberg, Germany
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Medium Format
I have a Mamiya 645, and I’m tempted by some of the interesting Pentacon Six lenses. I am unclear on the quality of the adapters currently available:
- hartbleilens.com seems no longer to offer this particular adapter;
- hartblei.com I understand to be involved in a dispute with Hartblei, and I’m not clear if their adapter is any good or if they’re a reliable source;
- various no-name eBay adapters could be of any quality from “perfect” to “doesn’t work”;
- kamerastore.com lists a generic adapter as unavailable.

Can anyone speak to the quality of a P6/M645 adapter that’s actually available?

Thanks
-NT

You're right; Hartblei has already sold its stock. Hartblei.com is a scam operated by the former sales manager. He sources photo gear from garage companies.

This must be the Hartblei adapter (very first one without engraving):

Or this one together with the lens:
 
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ntenny

Subscriber
Joined
Mar 5, 2008
Messages
2,452
Location
Portland, OR, USA
Format
Multi Format
You're right; Hartblei has already sold its stock. Hartblei.com is a scam operated by the former sales manager. He sources photo gear from garage companies.

Thanks. Most disappointing.

This must be the Hartblei adapter (very first one without engraving):

Or this one together with the lens:

I appreciate the pointers. I’m confused by the first one: It says “für Pentacon” (Pentacon Six adapter for Pentacon??) and I didn’t see that it mentions the M645. The second one with the adapter already on a lens looks like a good deal though.

Thanks
-NT
 

Alexander6x6

Member
Joined
May 30, 2025
Messages
10
Location
Heidelberg, Germany
Format
Medium Format
Thanks. Most disappointing.



I appreciate the pointers. I’m confused by the first one: It says “für Pentacon” (Pentacon Six adapter for Pentacon??) and I didn’t see that it mentions the M645. The second one with the adapter already on a lens looks like a good deal though.

Thanks
-NT
Oh, my bad, sorry. This adapter appeared in the search results and I just looked for the overall shape. It is worth to ask. If it its not for Pentax645 though.
 
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