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Author Topic: A7r on A/S M-Line Two?  (Read 8391 times)
bradleygibson
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« on: December 25, 2013, 10:58:47 AM »
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Happy Festivus, everyone.

Like many, I suppose, I have been watching the release of the Sony A7r with interest.  I would like to explore mounting it to my view camera (Arca-Swiss M-Line Two).  I see that A/S has a Canon and a Nikon plate.

Does anyone have ideas on how I might go about mounting the Sony A7r, preserving its relatively short flange distance?  Is this a job for S.K. Grimes?

All the best,
-bRad
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GregShapps
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« Reply #1 on: December 25, 2013, 12:10:44 PM »
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I am trying to figure out a way to do the same thing with my Cambo Ultima 23.   The RhinoCam rear camera mounting plate looks like it might be able to be rigged to a lens board and put on the rear standard.   I am sure in due time Fotodiox will come out with something.
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Chris Barrett
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« Reply #2 on: December 25, 2013, 12:18:36 PM »
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Heh... Martin saw my A7r test and emailed me that they plan to release a bellows for it.  The huge advantage with the A7 is the shallow cavity which allows you to focus much wider lenses.  Martin believes you may be able to go as wide as the Rodie 23mm.  Naturally you will have to shoot LCCs.  I told him to send me one and I'll report back.
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GregShapps
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« Reply #3 on: December 25, 2013, 02:06:12 PM »
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Who is Martin?
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Ken R
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« Reply #4 on: December 25, 2013, 06:43:39 PM »
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I think there is a Sony NEX or E-mount adapter, check out this image I made at the Arca booth during photo plus expo last month.
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bradleygibson
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« Reply #5 on: December 25, 2013, 10:12:21 PM »
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Greg, presumably Martin Vogt of Arca-Swiss.  http://www.galerie-photo.com/a-visit-to-arca-swiss.html

That's great news, Chris!  Please do keep us posted! "As wide as 23mm" would be just awesome.

Ken, that is is wonderful--a sighting in the wild.  Music to my eyes.
« Last Edit: December 25, 2013, 10:15:09 PM by bradleygibson » Logged

Josef_Meier
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« Reply #6 on: December 27, 2013, 10:48:15 AM »
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Really cool idea the A7 on a view camera. Is there allready a test on the web somewhere ?
I wonder how it will perform with shift and tilt.
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cyron123
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« Reply #7 on: January 10, 2014, 12:53:43 PM »
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Is there an User who use the Sony on a technical/View Cam?
No?
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Rod.Klukas
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« Reply #8 on: January 10, 2014, 10:07:37 PM »
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Yes, we will have the bellows for Sony emount very soon.
The one caveat is that the limit on the shortest lens is 70mm on Canon and Nikon for infinity shooting and might get down to 60mm
With the A7/A7R.
So wide angle are out due to depth of mirror box. The A7 body being thinner allows somewhat shorter lenses to be used, but I haven't been able to test as yet the minimum focal length on the Sony.  I do use a Sony Nex on the DSLR2 though and it works fine.
We also have done custom bellows for the new M240 Leica as well with excellent results.
The DSLR2 solution is also a better way to go than the flat plate type with lens mount, as the grip on many DSLR cameras gets in the way and exacerbates the focal length issue even more because of extension on the mounting plate required to square the body up.

I will let you know when the Sony bellows comes available.
I am available for any questions at any time.
Rod Klukas
US Representative
Arca-Swiss Int.
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Rod Klukas
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Arca-Swiss Digital Camera Solutions including R-series Technical Cameras, Large Format View Cameras, and Ballheads D4, D4m, P1, P0, Z1 & Z2.
bradleygibson
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« Reply #9 on: January 26, 2014, 10:58:42 AM »
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Hi, Rod,

Exciting news!  I confess that I had hoped for significantly wider capability than 60mm with the shortened flange distance of the A7R, but I look forward to seeing what A/S is able to come up with.

I would appreciate your letting me know once the solution is available.  Thank you!

All the best,
« Last Edit: January 26, 2014, 11:12:19 AM by bradleygibson » Logged

Rod.Klukas
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« Reply #10 on: January 26, 2014, 11:08:30 AM »
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I am checking on the mount depth for a more specific distance/focal length specification.

More soon.
Rod
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Rod Klukas
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Arca-Swiss Digital Camera Solutions including R-series Technical Cameras, Large Format View Cameras, and Ballheads D4, D4m, P1, P0, Z1 & Z2.
bradleygibson
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« Reply #11 on: January 26, 2014, 11:12:39 AM »
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Thanks, Rod.

Out of curiosity, what is the limit for focal length you've seen with the custom M240 solution?
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Rod.Klukas
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« Reply #12 on: January 26, 2014, 11:18:48 AM »
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40mm Rodenstock should be OK with Leica.
Shorter, I'm not sure. I will check.
Rod
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Rod Klukas
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Arca-Swiss Digital Camera Solutions including R-series Technical Cameras, Large Format View Cameras, and Ballheads D4, D4m, P1, P0, Z1 & Z2.
rainer_v
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« Reply #13 on: January 26, 2014, 02:48:30 PM »
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i tried the 28mm and 35mm hr rodenstock and it should work. not so the 23mm.
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rainer viertlböck
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bradleygibson
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« Reply #14 on: January 26, 2014, 07:49:31 PM »
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28-35mm range with infinity would be ideal.

Rainier, I assume you are talking about an M240 on the M-Line Two?

Thanks,
-bRad
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rainer_v
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« Reply #15 on: January 27, 2014, 10:57:35 AM »
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i am talking about the A7r, it has a shorter sensor- mount distance than the M, otherwise you couldn't use M lenses on it.

i was holding my 28mm and 35mm hr lenses in front of the mount.
it should work, if an adapter is thin enough, probably not with a bellow.
infinity should be possible to reach. some zoerkendorf like mount should work. i don't know if he has interest to develop such thing ...
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rainer viertlböck
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Rod.Klukas
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« Reply #16 on: January 28, 2014, 10:11:08 AM »
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I just got confirmation on A7r capability.  You will be able to use Rodenstock 23mm or longer with the A7r.  In Schneider 35mm XL and longer will also work fine.
So this body opens up more possibilities for wide angles, than Canon or Nikon,  given the Sony's shorter lens mount distance from the sensor.
The Arca-Swiss Sony Bellows should be available in February.
Hope this helps.
Rod
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Rod Klukas
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Arca-Swiss Digital Camera Solutions including R-series Technical Cameras, Large Format View Cameras, and Ballheads D4, D4m, P1, P0, Z1 & Z2.
Ken R
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« Reply #17 on: January 28, 2014, 10:13:47 AM »
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I just got confirmation on A7r capability.  You will be able to use Rodenstock 23mm or longer with the A7r.  In Schneider 35mm XL and longer will also work fine.
So this body opens up more possibilities for wide angles, than Canon or Nikon,  given the Sony's shorter lens mount distance from the sensor.
The Arca-Swiss Sony Bellows should be available in February.
Hope this helps.
Rod

Awesome News!
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MrSmith
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« Reply #18 on: January 28, 2014, 10:40:30 AM »
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i wonder if horseman or novoflex will produce something for the nex that doesn't add to the depth of the body like a nikon/canon to nex adapter that would be too deep.
a small tech camera with rodenstock apo-rodagons down to 35-40mm would be ideal for me. (24-tse as wide as i need to go)

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geesbert
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« Reply #19 on: January 28, 2014, 10:55:23 AM »
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I tried to rig it to my Linhof 679 with litte success a 120mm lens was barely usable with very little movements. the problem is the large grip protrusion.
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