67 to 645 Adapter question

Fritzenpapa · 03-21-2013, 10:12 PM

Hi Pentaxusers,
I just bought an adapter that enables me to put 67 lenses on my 645. It was produced (or sold) by a brand called "fotodiox". As there´s no manual provided :-( - Does someone know it? Is it possible to use the Automatic mod of the 67 lenses reliably? Or should I switch to manual aperture mode?
Thank you!
Ole

Adam · 03-21-2013, 10:45 PM

Well, 67 lenses don't have auto aperture (though most have automatic diaphragms), so you will have to shoot in av or m mode.

The Pentax adapter contains an aperture coupler, so I'm sure this one will too.

veraikon · 03-22-2013, 10:16 AM

Hi Ole,
another vote for the original (Pentax) adaptor. It has an aperture coupler - so you can focus with open aperture. Perhaps you shout call at Pentax in Hamburg for price and availability ( I don´t think that there a lot of second hand items)
Gruss in den Schwarzwald

PS: I presume with the Fotodiox adaptor you fix the 67 lens only mechanically to the Ptx645 - there is no coupling. You have to use stop down metering.

klewish · 03-22-2013, 01:42 PM

Ole,

A Fotodiox adapter does have coupling to the body through the two levers on the back of the adapter. Put the lens in Auto mode and you can focus with the lens wide open. The aperture will close to the f-stop that you select on the lens when the shutter is activated. I have several of these adapters and always use them in this way.

Keith

Jonathan Mac · 03-22-2013, 02:52 PM

Try looking here, I assume it's the same.

Pentax 6x7 (P67) Lens to Pentax 6x4.5 (P645) Mount - Fotodiox Pro Lens Mount Adapter

I'd love one of these but they're very expensive.

Fritzenpapa · 03-23-2013, 03:40 AM

Thank you for your replies! @ Jonathan Mac: If you want it, you can get it much cheaper here:

Amazon.com: Fotodiox Pro Lens Mount Adapter, Pentax 67 (6x7) Lens to Pentax 645 Camera Adapter, FITS Pentax 645D, 645N, 645: Camera & Photo

They ship to Europe. I received it in Germany without troubles. Because it fits in a tiny envelope, the customs did not stop it; I got it tax-free.

Fritzenpapa · 03-23-2013, 05:04 AM

I heard that the glossy surface of the adapter might cause visible flare on photographs. Though not having developped any test shots yet, I try to prevent this by having painted the inner surfaces with matte black paint (carefully excluding moving parts, of course).

revdocjim · 03-23-2013, 10:28 PM

I got the Pentax version used for less than $50 but haven't used it too much yet.

bull drinkwater · 03-24-2013, 09:47 PM

Originally posted by Fritzenpapa

I heard that the glossy surface of the adapter might cause visible flare on photographs. Though not having developped any test shots yet, I try to prevent this by having painted the inner surfaces with matte black paint (carefully excluding moving parts, of course).

keh has the pentax model,you get auto diaprahm and it's worth the extra cost.

03-21-2013, 10:12 PM	#1
Fritzenpapa Forum Member Join Date: Feb 2013 Location: Schwarzwald Photos: Albums Posts: 73	67 to 645 Adapter question Hi Pentaxusers, I just bought an adapter that enables me to put 67 lenses on my 645. It was produced (or sold) by a brand called "fotodiox". As there´s no manual provided :-( - Does someone know it? Is it possible to use the Automatic mod of the 67 lenses reliably? Or should I switch to manual aperture mode? Thank you! Ole

03-21-2013, 10:45 PM	#2
Adam Administrator Site Webmaster Join Date: Sep 2006 Location: Arizona Photos: Gallery \| Albums Posts: 51,608	Well, 67 lenses don't have auto aperture (though most have automatic diaphragms), so you will have to shoot in av or m mode. The Pentax adapter contains an aperture coupler, so I'm sure this one will too. Adam PentaxForums.com Webmaster (Site Usage Guide \| Site Help \| My Photography) PentaxForums.com server and development costs are user-supported. You can help cover these costs by donating or purchasing one of our Pentax eBooks. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, KEH, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

03-22-2013, 10:16 AM	#3
veraikon Senior Member Join Date: Mar 2010 Location: Inside the Blue Banana ;) Posts: 255	Hi Ole, another vote for the original (Pentax) adaptor. It has an aperture coupler - so you can focus with open aperture. Perhaps you shout call at Pentax in Hamburg for price and availability ( I don´t think that there a lot of second hand items) Gruss in den Schwarzwald PS: I presume with the Fotodiox adaptor you fix the 67 lens only mechanically to the Ptx645 - there is no coupling. You have to use stop down metering. Last edited by veraikon; 03-22-2013 at 10:29 AM. Reason: PS:

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
645 or 67 lens to be used w/ tilt shift adapter?	gsrokmix	Pentax SLR Lens Discussion	9	07-28-2012 05:11 PM
67 to 645 adapter question	Shuttershane	Pentax Medium Format	3	02-26-2012 01:24 PM
Will the 67 to 645 adapter make a comeback?	mikebob	Pentax Medium Format	27	06-27-2010 08:59 AM

03-22-2013, 01:42 PM	#4
klewish New Member Join Date: Feb 2012 Location: Philadelphia Posts: 20	Ole, A Fotodiox adapter does have coupling to the body through the two levers on the back of the adapter. Put the lens in Auto mode and you can focus with the lens wide open. The aperture will close to the f-stop that you select on the lens when the shutter is activated. I have several of these adapters and always use them in this way. Keith

03-22-2013, 02:52 PM	#5
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,911	Try looking here, I assume it's the same. Pentax 6x7 (P67) Lens to Pentax 6x4.5 (P645) Mount - Fotodiox Pro Lens Mount Adapter I'd love one of these but they're very expensive.

03-23-2013, 03:40 AM	#6
Fritzenpapa Forum Member Join Date: Feb 2013 Location: Schwarzwald Photos: Albums Posts: 73 Original Poster	Thank you for your replies! @ Jonathan Mac: If you want it, you can get it much cheaper here: Amazon.com: Fotodiox Pro Lens Mount Adapter, Pentax 67 (6x7) Lens to Pentax 645 Camera Adapter, FITS Pentax 645D, 645N, 645: Camera & Photo They ship to Europe. I received it in Germany without troubles. Because it fits in a tiny envelope, the customs did not stop it; I got it tax-free.

03-23-2013, 05:04 AM	#7
Fritzenpapa Forum Member Join Date: Feb 2013 Location: Schwarzwald Photos: Albums Posts: 73 Original Poster	I heard that the glossy surface of the adapter might cause visible flare on photographs. Though not having developped any test shots yet, I try to prevent this by having painted the inner surfaces with matte black paint (carefully excluding moving parts, of course).

03-23-2013, 10:28 PM	#8
revdocjim Veteran Member Join Date: Jan 2011 Location: Mt. Akagi, Gunma Prefecture Posts: 374	I got the Pentax version used for less than $50 but haven't used it too much yet.

03-24-2013, 09:47 PM	#9
bull drinkwater Loyal Site Supporter Join Date: Nov 2011 Location: pontiac mi. Posts: 392	Originally posted by Fritzenpapa I heard that the glossy surface of the adapter might cause visible flare on photographs. Though not having developped any test shots yet, I try to prevent this by having painted the inner surfaces with matte black paint (carefully excluding moving parts, of course). keh has the pentax model,you get auto diaprahm and it's worth the extra cost.