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Author Topic: Stitching w/D3X  (Read 2997 times)

harlemshooter

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Stitching w/D3X
« on: August 12, 2009, 08:10:43 pm »

Is there a stitching product like this: http://www.kapturegroup.com/quad/quad.html that is compatible with the D3X?

I want to use the D3X on my view camera, but need the right adapter and stitching product.
« Last Edit: August 25, 2009, 11:37:02 pm by harlemshooter »
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JeffKohn

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Stitching w/D3X
« Reply #1 on: August 12, 2009, 11:28:11 pm »

I don't know of any sliding back that can take a DSLR and mount to your existing view camera. There are, however, some view cameras made with a rear standard designed specifically for DSLR's. Cambo makes the X2-Pro, but the lack of rear standard movements makes it unsuitable for stitching.

Horseman has LD which has been out for a while (see review here, but at a weight of 4kg it doesn't appeal to me much, especially since I have my doubts about whether the tolerances/precision are really good enough for the demands of a high-density sensor such as the D3x.

Arca-Swiss recently announced the M-Line 2 DSLR, which looks smaller, lighter, and more precise than than the Horseman.  Lens compatibility is the big unknown right now. I'm trying to get some info on this; but Arca-Swiss's France offices are currently closed for August holiday, and the US rep doesn't have any details on this camera. The Schneider Digitar 28mm is compatible, although the smallish image circle is going to limit stitching somewhat. The question is whether there are any other retro-focus lenses shorter than 72mm or so that are compatible with this system.



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Jeff Kohn
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elf

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Stitching w/D3X
« Reply #2 on: August 13, 2009, 02:49:30 am »

Quote from: harlemshooter
Is there a stitching product like this: http://www.kapturegroup.com/quad/quad.html that is compatible with the D3X?

I want to use the D3X on my view camera with rodenstock digital lens, but need the right adapter and stitching product.

I've seen a few homemade adaptors that worked, but I suspect there just isn't a large enough market for anyone to sell them.

If you're not able to find one, just send the D3X to me so I can use it on my setup

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erick.boileau

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Stitching w/D3X
« Reply #3 on: August 13, 2009, 03:06:50 am »

Arca swiss M-Line 2 for  DSLR
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Anders_HK

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Stitching w/D3X
« Reply #4 on: August 13, 2009, 04:36:56 am »

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BernardLanguillier

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Stitching w/D3X
« Reply #5 on: August 13, 2009, 07:04:48 pm »

Quote from: Anders_HK
Affordable - https://www.badgergraphic.com/store/cart.ph...tail&p=2859  

Rgds

Hi Anders,

How is your progress with flat stitching using your Shen Hao and Aptus back?

Could you please post a full size 100+ MP sample when you have some time, or some center/corner crops?

Thanks.

Cheers,
Bernard

BernardLanguillier

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Stitching w/D3X
« Reply #6 on: August 13, 2009, 07:30:39 pm »

Quote from: harlemshooter
Is there a stitching product like this: http://www.kapturegroup.com/quad/quad.html that is compatible with the D3X?

I want to use the D3X on my view camera with rodenstock digital lens, but need the right adapter and stitching product.

In case you have not considered the cylindrical pano route, my personnal view is that it is going to deliver superior, faster to set up and shoot, lighter, more compact and cheaper results compared to flat stitching done with a view camera.

To start with, I don't believe that it is possible to build a reasonnably cheap DSLR view camera with tolerances small enough that the "film plane" is perpendicular enough to the lens axis over - say - 70 mm to achieve critical focus accross the stitched image. Even if were suprisingly OK at the beginning, how long would it stay so once the camera is used in the field?

I understand the temptation to use these amazing and expensive digitars, but however good they are, they will IMHO not get close in the corners to properlly executed cylindrical stitching with a top lens like the Zeiss 100 mm f2.0... because that is simply perfect every single time with zero effort and stress.

Even focus with live view will be a challenge when side shifting the camera because of the significant light fall off of these LF lenses at full aperture.

To my eyes, the only way to put digitars to good use for very high resolutions is to use a pancake view camera with a back - the Phaseone P45+ comes to mind since it offers a good quality to price ratio second hand - and to cylinder stitch with it. The problem being of course the color cast you'll get when using wides. Now, is that even worth it?

Cheers,
Bernard

JeffKohn

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Stitching w/D3X
« Reply #7 on: August 13, 2009, 10:42:27 pm »

Bernard you may have a point about convenience and ease of use, but then again that's not necessarily the overriding priority is it? I'm not sure I understand how the precision/tolerance issue with a view camera designed specifically for digital such as the M-Line 2 would be any worse than using a MF digital back, or an SLR for that matter. Early reports are that the M-Line 2 is pretty nice, I believe there's at least one user here at LuLa using the M-Line 2 with a digital back.

For me the appeal of a view camera is not just for stitching (although I do prefer the look of flat versus cylindrical stitching). It's just as much about having the full range of movements for perspective and DOF control. The PC-E Nikkors are nice, but the movements are limited compared to what you can do with something like the M-Line 2. Plus, in the case of the 24mm PC-E image quality degrades noticeably as you get closer to the edge of the image circle.

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BernardLanguillier

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Stitching w/D3X
« Reply #8 on: August 14, 2009, 12:10:11 am »

Quote from: JeffKohn
Bernard you may have a point about convenience and ease of use, but then again that's not necessarily the overriding priority is it? I'm not sure I understand how the precision/tolerance issue with a view camera designed specifically for digital such as the M-Line 2 would be any worse than using a MF digital back, or an SLR for that matter. Early reports are that the M-Line 2 is pretty nice, I believe there's at least one user here at LuLa using the M-Line 2 with a digital back.

Jeff,

If you don't stitch, meaning don't use the rear stand movements, then I am sure that it produces very nice results.

My concern is with the ability of the rear stand mechanism to keep the sensor in the exact same plane knowing that a gap of even 1/5th a mm would produce a significant shift in focus. I would love to be proven wrong though. I tried all this with the Horseman LD a few years back and was not convinced by what I saw for stitching applications. The Arca Swiss might be better, but I would want to see firm evidence of that.

I totally agree that there are other values for a LF camera beyond stitching, but stitching was the goal of the OP which is why I replied along these lines.

Regards,
Bernard

JeffKohn

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Stitching w/D3X
« Reply #9 on: August 14, 2009, 04:04:35 pm »

Quote from: BernardLanguillier
Jeff,

If you don't stitch, meaning don't use the rear stand movements, then I am sure that it produces very nice results.

My concern is with the ability of the rear stand mechanism to keep the sensor in the exact same plane knowing that a gap of even 1/5th a mm would produce a significant shift in focus. I would love to be proven wrong though. I tried all this with the Horseman LD a few years back and was not convinced by what I saw for stitching applications. The Arca Swiss might be better, but I would want to see firm evidence of that.

I totally agree that there are other values for a LF camera beyond stitching, but stitching was the goal of the OP which is why I replied along these lines.

Regards,
Bernard
I recall reading your review of the Horseman LD, although at the time this approach didn't appeal to me nearly as much, because of the difficulty focusing. Live-view is a game changer in that regard, and one of the reasons why I actually like the idea of using a DLSR on the back of a view camera moreso than a digital back.

You may have a point about precision, although I wonder if it's really any more of an issue than the potential for 'slop' in the F-mount, or in the PC-E lens' tilt/shift mechanisms. Arca-Swiss claims to have build this new camera from the ground up with high-res digital in mind, so I guess we'll have to see if it lives up to the promise.
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