resizing photos.

Started Dec 5, 2022 | Discussions thread
Michael Fryd
Michael Fryd Forum Pro • Posts: 16,339
Re: resizing photos.

rookie79pandora79 wrote:

I resize all my camera photos to 2560x1440 to fill my 16:9 setting on my TV with zero distortion HOWEVER If you are a FULL SCREEN fanatic the bad news is they haven't produced a setting on a TV yet that can change a photo to true 16:9 ratio without distortion of some its carry on with the old STRETCH,ZOOM & CROP. its not for me though. rookie79pandora79.

Imagine that you had a triangular shaped TV and a camera that produced rectangular images.   The images and the TV have different shapes.  It's not possible to display the rectangular image on a triangular TV, without cropping, padding, and/or distorting the image.

Most camera's have sensors that produce a rectangular image with an aspect ratio of 3:4 or 2:3  (if you printed a 2:3 image 2 feet high, it would be 3 feet wide).

A typical TV has an aspect ratio of 16:9.  While these are all rectangles, they are differently shaped rectangles.  If you want to display a 2:3 (or a 3:4) image on a 16:9 TV, you need to crop, pad, or distort.   Personally, I have my TV set to pad the image with black bars.  That way the image isn't distorted.   If you really want the full screen, many systems allow you to crop to fill the screen, or stretch to fill the screen.

If you want to maintain artistic control over individual images, it makes sense to manually crop to a 16:9 aspect ratio. That way, you get to decide how to handle the difference in shape. You can choose to remove parts of the image, add black borders. and/or stretch the image.

I would not resample the image to make it exactly 2560x1440 pixels. There is a reasonable chance that the next TV you buy will be a 4K TV with a resolution of 3840 x 2160.   I would leave the images at their native resolution.

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