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part of the editing process whereby unwanted portions are removed from the edges of an image
5
votes
What is "100% crop?"
The term as generally used can confusing if you read too much into it. One might take the literal meaning as "100% not there", which of course makes no sense, or alternatively, "not really any crop at …
27
votes
Accepted
When is it OK to place the subject in the middle of a picture?
Q: When is it OK to place the subject in the middle of a picture?
A: Whenever you feel that it works best!
The general rule of not centering your subject is time-honored, and comes from one basic i …
1
vote
Accepted
Is adjusting Scaled Print Size in the Print dialog the best way to make a small print from P...
What you're doing, as shown in the dialog above, should be just fine. You can see What does DPI mean? and What does pixels per inch mean, exactly?
for some of the background, and for the ultimate tuto …
18
votes
Is digital zoom really useful?
If your camera only saves in JPEG, using digital zoom instead of cropping later avoids IQ loss from compressing twice. This is usually minor, but there it is. …
1
vote
What's the best way to choose the aspect ratio: in-camera JPEG or RAW and cropping?
If you know you are aiming for a result in a certain aspect ratio (say, square, or 8x10), and your camera supports showing you that format as you shoot, that can be a huge advantage. With a DSLR, wher …
3
votes
Accepted
What are the pros and cons of always cropping images to match viewfinder coverage?
I don't think you're missing anything significant. I can think of two smaller things, though: a pro and a con.
On the "pro" side: lenses are almost universally weaker at the edges and corners, with i …
0
votes
Accepted
How to render only cut out area of DNG-file using dcraw?
No, dcraw as a command-line tool does not have that feature. It's really not meant to be a full - fledged utility in itself.
If you are doing this with a photographic result in mind, I recommend a hi …
26
votes
What is the best way to auto crop bulk images?
ImageMagick, using the -trim operator. See: http://www.imagemagick.org/Usage/crop/#trim.
ImageMagick is free (and open source), and you can get pre-built binaries for Mac OS, Windows, or Unix from ht …
4
votes
Accepted
More megapixels to compensate for small zoom (Or: How good is Sony's Smart Zoom?)
Cropping and zooming are basically equivalent, so this is easily calculated. Zooming in 2× — like, focal length 36mm to 72mm — is like cutting the frame in half. …
6
votes
Is there a difference between increasing focal length vs. cropping?
From an idealized perspective, cropping and enlarging is functionally identical to zooming. … If you stand in the same place, there is no way to change perspective by either zooming or cropping. …
7
votes
How to get a full-screen preview of a cropped area in RawTherapee?
I just discovered a way to do this. I'm using RawTherapee 4.2, but from your screenshot, I think this feature is in the version you used, too. It's in the toolbar just to the top right of the image. F …