ARCA-SWISS for Leica SL camera

[Photoworks]

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Use you SL2-3 as a digital back.

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[Jonathan Levin]

For 4600$ I think I would play around with camera perspective control and/or Photoshop PC. Not sure what you gain with this.

[Stuart Richardson]

15 minutes ago, Jonathan Levin said:

For 4600$ I think I would play around with camera perspective control and/or Photoshop PC. Not sure what you gain with this.

Looks great to me. I am used to 4x5 and 8x10. I would much rather do it in camera than with a computer. I imagine that those inclined to stitch can also use it for that, and tilt of course allows for the control of the plane of focus. Basically, it is a large degree of control. 4600$ is not cheap, but it is around the cost of a single Leica lens, so not too bad in the grand scheme of things.

[Sandokan]

Looks interesting but I have a Hasselblad V adaptor (X back can be mounted) for my 4x5 ... but not sure I would use it for 120 film as if I am going to all that trouble to set it up, I might as well use a 4x5 sheet. 

For digital might be interestingto get it done in camera in one shot and not mess around with several shots in PS

[Photoworks]

the camera has just been announced.  I am sure it is more interesting if you have a digital back from Hasselblad or Phase one.

It looks like a digital evolution of the acra 6x9 camera.

[darylgo]

Looks rather interesting, not for me, the challenging menus and myriad of choices with an autofocus lens is more than I need.  Thanks for posting, Arca makes some great equipment.  

[lx1713]

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I have both Sinar F3 with a Hasselblad V mount and the P3 that I can fit my SL2 but I only do macro work with the P3 with a 90mm or longer. 

In terms of technical shifts and tilts, the PICO isn't as impressive but that's not what's attractive about it. It's how portable and efficient as well as the lenses that go with it I'd say it's a winner. Very attractive I must say. I wonder if lens cast from vignetting is lens corrected or software corrected.

It would be a great combo with a suitable digital back

Edited August 7, 2024 by lx1713

[Stuart Richardson]

I am very curious to see the MTF curves or more information on the lenses. Would also be interesting to know who made them. My guess would be Rodenstock or Schneider given Arca Swiss being a French company that skews high end, but it would be interesting to know. More important would be the performance. For me at least, there would not be much point in getting one if they were not in the same ballpark of the L mount primes. I think APO Summicron performance is probably not realistic to expect, but one would hope to be at the zoom or asph prime level.

[Photoworks]

It looks like a modified Canon 24, 50 tilt-shift lens.

[SrMi]

On 8/4/2024 at 8:24 AM, Jonathan Levin said:

For 4600$ I think I would play around with camera perspective control and/or Photoshop PC. Not sure what you gain with this.

That is not the same as all perspective tools distort the image and you lose resolution. Still, I prefer using LPC or transformations in the post as they are much more convenient.

Edited August 7, 2024 by SrMi

[albireo_double]

Interesting but potentially a bit cumbersome, depending on use scenarios. For architecture, my preferred solution in the Leica SL3 world (ie not counting my XT) is the new Apo SL 21 Summicron, in combination with the LPC preview function on the camera. When the amount of movement is not extreme, the quality is superb, despite some loss of resolution due to the inevitable cropping. Still better sharpness usually than from my copy of the Canon TS 24ii used via the Sigma adapter (the latter obviously preferable when larger movements are required).

[Stuart Richardson]

On 8/7/2024 at 12:42 PM, Photoworks said:

It looks like a modified Canon 24, 50 tilt-shift lens.

Ah, I see. It does look like those lenses, now that I see it. Well, that is a bit less interesting then. Getting an EF adapter and those lenses would be a cheaper, easier way to go. I had hoped they might find a way to improve the quality. 
I don’t have much knowledge of the copal 0 mount digital lenses in the normal focal range for 35mm…are there any particularly good digital tech cam lenses in the 35-50mm range that would work on this?

[Photoworks]

21 is nice, but so many times in interior and architectural photography I am at 15, 17mm lenses, and if that is not enough I will take the 17 tilt shift and stitch 3 images shifted.

On top of that, I like to use a PL filter for the floor/ground.

[Photoworks]

1 hour ago, Stuart Richardson said:

I don’t have much knowledge of the copal 0 mount digital lenses in the normal focal range for 35mm…are there any particularly good digital tech cam lenses in the 35-50mm range that would work on this?

many of these lenses have an internal center shutter, just like many lenses on large-format cameras.

There are many lenses from Rodenstock or Schneider and the new versions for digital are very sharp and have a wider image circle to allow for the shift movement.

Silvestri, Phase one, and Sinar p3 are similar technical cameras, most used for industrial and still-life work where framing and control of focus range is important.

Sinar is a Leica company

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[SrMi]

On 8/7/2024 at 9:43 AM, SrMi said:

That is not the same as all perspective tools distort the image and you lose resolution. Still, I prefer using LPC or transformations in the post as they are much more convenient.

I was wrong. I misunderstood how shift lenses work. The effect should be the same. The only difference is that you lose some resolution if you do it in post. LPC FTW.

[Photoworks]

25 minutes ago, SrMi said:

The only difference is that you lose some resolution if you do it in post. LPC FTW.

is that all, or isn't it?

[Stuart Richardson]

21 hours ago, Photoworks said:

many of these lenses have an internal center shutter, just like many lenses on large-format cameras.

There are many lenses from Rodenstock or Schneider and the new versions for digital are very sharp and have a wider image circle to allow for the shift movement.

Silvestri, Phase one, and Sinar p3 are similar technical cameras, most used for industrial and still-life work where framing and control of focus range is important.

Sinar is a Leica company

 

 

Thanks, I think I was not clear. I know how the lenses would work on the body, I was just curious if you or others had recommendations on which particular lenses might work well on a body like this in that range. I have a lot of large format lenses, but my widest is 75mm and the rear element is large (75mm 4.5 Grandagon), so I don't think that is really going to be helpful on a body like this. It was also designed for film. I never had a digital tech cam, so I am not familiar with the good digital copal shutter lenses. Most that I saw on tech cams were wider than I cared for...for me the interesting part is in camera rise and tilt, rather than extreme wide angles. So with a 35mm camera I would be interested to know the good tech cam lenses in the 35-50mm range.

As for Sinar and Leica, I wish they would do a bit more to make that partnership work. I have a P2 and I would be interested in using the SL2 on it, but the only adapter they made was for the S camera, and that was ill suited for view camera use because of the vibration from the shutter and the long distance from the sensor plane. I am not sure how much the grip gets in the way with the SL2, but I am sure it is a lot better than the S was.

[ynp]

Maybe some more experienced users would like to explain me why this Arca is better than the Cambo Actus line?

Thanks!

Edited August 11, 2024 by ynp

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