perspective control

[kengai]

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In the new firmware there is perspective control: how does it work?

[Telecaster]

Based on camera angle the camera compensates the picture so that e.g. converging lines are corrected. Like in software based solutions on your computer this crops the image. You can see this crop as a preview on the screen of the camera.

For JPEGs the camera will do the final crop in camera, for DNG the metadata is included in the file. And according to Leica software like Lightroom can read that metadata.

I have tested the feature: When I imported the file in Lightroom (V5.2) it did not automatically apply the crop / perspective correction. I applied the automatic perspective correction in Lightroom, but I am not sure if the camera data was actually used to make that a better correction. Anybody has tested this more?

[LEGEND]

Any idea if this perspective control also work in the Capture One Pro 22? 
Or if not when will be implemented there?
I use C1 but seldom do perspective control on my photos.
Still it is interesting and useful tool when you need it...

Nikola

[elmars]

It works only with Lightroom not with Capture One. And we have to wait for an LR update to use it with DNG files.

[LEGEND]

1 hour ago, elmars said:

It works only with Lightroom not with Capture One. And we have to wait for an LR update to use it with DNG files.

Perhaps I can use this PC in camera as a guide how much of the photo will be croped if I use PC in the Capture One manually. 
That way I can compose image much better when I made her... Still it would be nice to have this also in C1 li it is in LR...

[Photoworks]

Prospective control is a collaboration between Leica and Adobe. It works only in Camera Raw and Lightroom.

The sensor from the camera capture the position of tilt, rotation and so on and save them in metadata. M10-P M11 apply the correction to JPG in camera.

Lightroom will use the information to edit the DNG file.

At this point Lightroom doesn't work. I assume we will need an adobe update. M11 is not officially supported.

In any case you will not click on automatic, but use the guided option.

The benefit over the manual way is that some images don't have clear lines and a program can not detect a proper correction. With the information from the camera you alway know which position it was. Similar to the auto rotation preview function .

When using prospective Control from Leica some other display function are hidden like histogram.

when playing the image back you will see an icon on the screen indicating that PC was used

 

Capture one is still developing Prospective corrections and it not nearly as good as Lightroom . there is no word if capture one will support this function.

[LBJ2]

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LRC ver 11.2

Use the LRC Transform feature in the Develop model to apply Perspective to your M11 DNG files. This includes the ability to use AUTO perspective changes. 

[SrMi]

7 hours ago, kengai said:

 

 

In the new firmware there is perspective control: how does it work?

The perspective control is described in the firmware release document:

https://leica-camera.com/sites/default/files/EN_Ludwig FW1.3 Release Notes.pdf

As has been written, an update from Adobe is required to apply the provided M11 Perspective Control information.

[SrMi]

54 minutes ago, LBJ2 said:

LRC ver 11.2

Use the LRC Transform feature in the Develop model to apply Perspective to your M11 DNG files. This includes the ability to use AUTO perspective changes. 

AUTO setting in Lightroom's module is unrelated to M11 or M10-R Perspective Control. LrC 11.2 cannot apply the information provided by M11's perspective control. An update is required.

[LBJ2]

2 hours ago, SrMi said:

AUTO setting in Lightroom's module is unrelated to M11 or M10-R Perspective Control. LrC 11.2 cannot apply the information provided by M11's perspective control. An update is required.

LRC ver 11.2

You don't have to wait for M11 support and in-camera perspective control to be compatible with LR. Anyone can apply Lightroom's perspective edits aka Transform control to DNG image files now. 

Use the LRC Transform feature in the Develop model to apply Perspective edits to your M11 DNG files. This includes the ability to use AUTO perspective changes. 

M11 DNG

Before LR's perspective edit applied aka Transform/Auto:

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M11 DNG

After LR's perspective edit applied aka Transform/Auto:

Edited April 3, 2022 by LBJ2

[SrMi]

41 minutes ago, LBJ2 said:

LRC ver 11.2

You don't have to wait for M11 support and in-camera perspective control to be compatible with LR. Anyone can apply Lightroom's perspective edits aka Transform control to DNG image files now. 

Use the LRC Transform feature in the Develop model to apply Perspective edits to your M11 DNG files. This includes the ability to use AUTO perspective changes. 

M11 DNG

Before LR's perspective edit applied aka Transform/Auto:

<snip>

M11 DNG

After LR's perspective edit applied aka Transform/Auto:

<snip>

What you are describing has nothing to do with Leica's Perspective Control. You are describing generic Adobe tools for perspective correction. It works on any file from any camera.

In most cases, angle data provided by the camera produces better results than the generic perspective corrections.

[LBJ2]

13 minutes ago, SrMi said:

What you are describing has nothing to do with Leica's Perspective Control. You are describing generic Adobe tools for perspective correction. It works on any file from any camera.

In most cases, angle data provided by the camera produces better results than the generic perspective corrections.

LRC ver 11.2

"You don't have to wait for M11 support and in-camera perspective control to be compatible with LR. Anyone can apply Lightroom's perspective edits aka Transform control to DNG image files now. 

Use the LRC Transform feature in the Develop model to apply Perspective edits to your M11 DNG files. This includes the ability to use AUTO perspective changes." 

Or as you put it "generic Adobe tools for perspective correction" I think we agree. 

[Photoworks]

1 hour ago, LBJ2 said:

LRC ver 11.2

You don't have to wait for M11 support and in-camera perspective control to be compatible with LR. Anyone can apply Lightroom's perspective edits aka Transform control to DNG image files now. 

Use the LRC Transform feature in the Develop model to apply Perspective edits to your M11 DNG files. This includes the ability to use AUTO perspective changes. 

 

well you sure gave Lightroom an easy job with that sample photo, what is there are no clear line to adjust. That is when Leica PC come in useful.

So not the same thing!

[LBJ2]

1 minute ago, Photoworks said:

well you sure gave Lightroom an easy job with that sample photo, what is there are no clear line to adjust. That is when Leica PC come in useful.

So not the same thing!

Yes. I did post a basic sample of LR's "auto" perspective edit feature.

I am a big fan of Leica's in-camera perspective control too. Looking forward to using it with my M11 + LRC again soon. Until then, I go back to what I've always used all along, LR's  Transform (perspective edits) tool. As you already know, we can use the Transform "auto" quick perspective edit or apply the various manual Transform sliders for much more control over the image's various perspectives. I use both as needed, but find LR's generic "auto" does a pretty good job. 

[scott kirkpatrick]

I like Leica's perspective control visualization as an estimator, to keep two camera axes levelled  (it can't help you keep your camera body parallel to a building facade).  In the M11 it is just as fast as the tilt meter and easier to see.  But then in C1 I decide whether to apply a manual correction and how much to incorporate.  C1 has keystone corrections on multiple axes, but it is not automatic.

[intermediatic]

On 4/3/2022 at 5:39 PM, scott kirkpatrick said:

I like Leica's perspective control visualization as an estimator, to keep two camera axes levelled  (it can't help you keep your camera body parallel to a building facade).  In the M11 it is just as fast as the tilt meter and easier to see.  But then in C1 I decide whether to apply a manual correction and how much to incorporate.  C1 has keystone corrections on multiple axes, but it is not automatic.

Agreed. The disappointing thing is that the M11, like the M10-R, can’t display the histogram when perspective control is enabled. I’ve set up the FN button to do a fast switch, which seems like a waste, but it’s a shame that the new processor can’t handle both.

Edited April 10, 2022 by intermediatic

[Photoworks]

When you do the 1.3x and 1.8x crop the Prospective control is turned off too.

[SrMi]

14 hours ago, intermediatic said:

Agreed. The disappointing thing is that the M11, like the M10-R, can’t display the histogram when perspective control is enabled. I’ve set up the FN button to do a fast switch, which seems like a waste, but it’s a shame that the new processor can’t handle both.

FWIW, the highlights warning (clipping) is still visible with PC on. Note that there is a bug with highlight warnings if Exposure Preview is set to "Shutter button half pressed" :(.

[Leica Land]

On 4/3/2022 at 4:58 PM, LEGEND said:

Any idea if this perspective control also work in the Capture One Pro 22? 
Or if not when will be implemented there?
I use C1 but seldom do perspective control on my photos.
Still it is interesting and useful tool when you need it...

Nikola

The Leica M11 give you the framing you need to avoid cropping out important details. Although both the Leica M11 PC and Capture One  22 Pro (New Update) are not synchronized using the auto Key stone will achieve the same result. They are different with LR but achieve the same result. 

Edited April 12, 2022 by Leica Land

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[Photoworks]

Capture one recently updated to AUTO Keystone with a % slider. Modern architectural photographers like to not have the line perfectly perpendicular , so this is a nice touch..

You can find an option of "Apply Camera Keystone Data". Don't aspect it to work with your Leica. Only works with Phaseone cameras

 

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