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Non 100% crop
I was reading a thread on one of the other forums and a guy asked someone by how much is an image cropped. The user replied by saying that the image is just under 100% crop..

Can someone please explain what this means..

My understanding of a 100% crop is that it is either the full image viewed in it's actual size or part of the image viewed in it's actual size (i.e. not resized).

Now unless I'm confused, the only way that I think one can get an 80% or 70% crop is by viewing the image at 70% and getting a screen dump. unless I'm mistaken I dont see how you can actually save a non 100% crop. I think this is true because even if you get a section of an image and crop it out and save that image, the image will still be saved in it's actual size not the size you were viewing it on the screen..

What exactly is a non 100% crop..

Here is the thread I was refering to..http://forums.dpreview.com/...ums/readflat.asp?forum=1031&thread=26328253..

Comments (8)

So if I resize the image to 80% of it's size the image will be an 80% crop of the original? is that it?..

Comment #1

The best thing is to frame the shot as you want to print it, and print it at 100%..

If you want to crop, and you're working in Photoshop or some other program, I've gotten the best results bringing the image at it's full size, cropping to the image you want, then resizing it and saving in TIFF. I try to avoid using resampling (up or down) and go with the cropped native image at the best possible dpi to size ratio..

I see better results printing a bit smaller, or taking the dpi down a bit (try to stay at 250 or so, ideally 300dpi for the best print quality).Brian..

Comment #2

Ziggy25 wrote:.

So if I resize the image to 80% of it's size the image will be an 80%crop of the original? is that it?.

Well at least it will be the same (with better quality probably) as viewing with 80% zoom, which is what you do now...

Comment #3

In the context of the thread referenced, I have no idea what he means...

Comment #4

BLawson wrote:.

The best thing is to frame the shot as you want to print it, andprint it at 100%..

I thought as long as you dont resize the image it will print in it's original size regardless of what size you are viewing it at...

Comment #5

Ziggy25 wrote:.

Now unless I'm confused, the only way that I think one can get an 80%or 70% crop is by viewing the image at 70% and getting a screen dump.unless I'm mistaken I dont see how you can actually save a non 100%crop. I think this is true because even if you get a section of animage and crop it out and save that image, the image will still besaved in it's actual size not the size you were viewing it on thescreen..

What exactly is a non 100% crop..

Now you really have nailed the problem with one of the common uses of 100% crop, it doesnt make any sense. If, by your reckoning, there is no way to get something other than a 100% crop, why use the word 100% at all?.

In the correct use of the words, a 70% crop would be the image minus 70% of it's area, or conversely it could mean 70% of an image..

The user replied by sayingthat the image is just under 100% crop.Can someone please explain what this means..

It means that it is a crop, a portion of the original image, which has been slightly resized..

Brian A...

Comment #6

Do you mean that the correct usage is when the image is displayed at 100% of it's original size but portions of it cut out to make the crop? (For example displaying an image in it's original size but only include 10% of it) ..

If the above is true then resizing the image is not really cropping it as you wont be seeing it at 100%...

Comment #7

Scaling it down doesn't stop it being a crop, it doesn't become the whole image again, does it?.

100% Crops are a section of the image cropped to show actual pixels without any scaling, good fun for pixel peepers..

An 80% crop does seem a bit of a strange term but it might be useful to know that you aren't seeing actual pixel detail...

Comment #8

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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