1.1, 3.2, 4.3, 16.9

Do you change these Aspect Ratios in camera for the type pictures that you are taking or do you take care of it using LR, PS, etc.
If changing from in camera 3.2 to 4.3 for viewing and editing in LR does LR lose any information when you change the ratio
Thanks
Don

Leave it at the native 3:2 and crop in post.

The sensor is 3:2. If you're shooting in jpeg, the camera throws away part of the image in order to get to any of those other aspect ratios. It doesn't magically change the shape of the sensor while preserving the same number of megapixels.

I'm pretty sure that if you shoot in raw, that aspect-ratio setting in the camera is ignored - just like picture styles and a variety of other in-camera settings.

If you crop in Lightroom, the crop is entirely reversible. All Lightroom edits are non-destructive.

I don't change the ratio in-camera. That just throws away info I might have wanted to keep.

Changing the ratio in post would require either cropping (loss of info) or stretching in one dimension. Assuming you don't want to distort the photo by stretching, you're dealing with loss of info (i.e. the cropped portions), but you're not dropping pixels in the section you want to keep.

nathancarter wrote in post #17470291
Leave it at the native 3:2 and crop in post.

The sensor is 3:2. If you're shooting in jpeg, the camera throws away part of the image in order to get to any of those other aspect ratios. It doesn't magically change the shape of the sensor while preserving the same number of megapixels.

I'm pretty sure that if you shoot in raw, that aspect-ratio setting in the camera is ignored - just like picture styles and a variety of other in-camera settings.

If you crop in Lightroom, the crop is entirely reversible. All Lightroom edits are non-destructive.

nathancarter thanks
I do shoot in manual , sometimes I may shoot in AV or TV but not any in the other modes.
Note to self, In manual mode camera is not the boss anymore.

From what I have been able to make out, when using a different aspect ratio in camera while shooting RAW, the full sized image has to be recorded. It is then marked up for cropping. This cropping is apparently very difficult/impossible to undo, even using other mainstream RAW converters. Even the new 50Mpix 5DS/R is the same when using the different RAW crop options. So it is probably a really good idea to stay away from them, you end up with bits of the image cropped off, that are very hard to get back, but still have to record the full image data.

This is different to mRAW and sRAW where the RAW image data is interpolated to make a smaller image, just like it would be if you reduced the size of a normal RGB image.

Alan

Shooting in full manual has nothing to do with RAW or Jpeg thats another selection all together. So you can shoot full manual in Jpeg and change your aspect ratio in camera and loose data. Shoot in Manual and RAW and change the aspect ratio, the only thing that gets changed is the jpeg preview (what you see on the back of the camera), the RAW file you import into LR is not changed. And cropping while in LR will not loose info, it is totally reversible.

The biggest question is are you shooting RAW or Jpeg.

moose10101 wrote in post #17470296
I don't change the ratio in-camera. That just throws away info I might have wanted to keep.

Changing the ratio in post would require either cropping (loss of info) or stretching in one dimension. Assuming you don't want to distort the photo by stretching, you're dealing with loss of info (i.e. the cropped portions), but you're not dropping pixels in the section you want to keep.

Thanks for the info moose10101

Littlejon Dsgn wrote in post #17470348
Shooting in full manual has nothing to do with RAW or Jpeg thats another selection all together. So you can shoot full manual in Jpeg and change your aspect ratio in camera and loose data. Shoot in Manual and RAW and change the aspect ratio, the only thing that gets changed is the jpeg preview (what you see on the back of the camera), the RAW file you import into LR is not changed. And cropping while in LR will not loose info, it is totally reversible.

The biggest question is are you shooting RAW or Jpeg.

Sorry I forgot to mention that I have always shot in RAW.
Thanks for your help
Don

BigAl007 wrote in post #17470323
From what I have been able to make out, when using a different aspect ratio in camera while shooting RAW, the full sized image has to be recorded. It is then marked up for cropping. This cropping is apparently very difficult/impossible to undo, even using other mainstream RAW converters. Even the new 50Mpix 5DS/R is the same when using the different RAW crop options. So it is probably a really good idea to stay away from them, you end up with bits of the image cropped off, that are very hard to get back, but still have to record the full image data.

This is different to mRAW and sRAW where the RAW image data is interpolated to make a smaller image, just like it would be if you reduced the size of a normal RGB image.

Alan

Thanks Alan, I remember reading the other day about if you were going to use them you better be using live view or ain't no telling what may or may not be in the picture when you get home and put them in the computer.ߘ

I took the focusing screen out of my 5d and drew 4x5 frame lines on it, some of the higher end Nikon's have a really cool feature where you can select that aspect ratio and it will crop it in the viewfinder. But yeah I just shoot 3:2 and crop in post, I actually wish it would allow a 5x4 aspect ratio.

4:3 or 5:4 frame lines could be useful in the VF so that you can at least frame your images up so that they will crop to those sizes if you tend to print them very often. If you shoot RAW it is not very easy for the system to crop the actual file in camera anyway. There are masked areas of the sensor that are used as a reference in the demosaicing process that removing pixels very difficult to do quickly. It's actually quicker to the interpolation needed for mRAW and sRAW, as those processes are always using the whole of the image array, which makes the memory addressing much faster allowing a reasonable speed in camera.

Alan