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Old Nov 18, 2004, 8:55 PM   #1
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I am attempting to take good product pictures for making a catalogueand would like to know what an ideal histogram for product pictures would look like? Most of the samples I find are histograms of landscape pictures. Can anyone give me an example of a good product pic's histogram? So far, the ones i got tend to be a tall narrow line in the middle of the histogram, not scattered out. If this means a bad picture, how should i fix it? i would really love to see an example.
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Old Nov 18, 2004, 11:25 PM   #2
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There is no ideal histogram for any specific type of picture. What you want however is a histogram that is evenly spread throughout the span of the graph. You dont want any spikes in either side and you dont want anything past the top.


Underexposed - Needs more light

Overexposed - Too much light

Does this answer your question?

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Old Nov 19, 2004, 9:14 AM   #3
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I have to say that I agree and disagree with rob_strain.

If you are taking a picture of a white bunny rabit in snow, you will have nothing on the left and everything on the right in the histogram. And it would be "correct" because the picture should be very white. You don't want to turn the picture "grey" just because you want the histogram to be more even.

If you are taking a picture of a couple in a dark-ish dance hall waring a tux and black evening gown... then you have the opposite situation. The biggest spikes will be in the left of the histogram.

On the other hand, for average pictures. I fully agree with Rob. You want a more smooth distribution across the picture, with some darks and some lights, and the data more towards the middle (but not directly in the middle, like his exampel shows.)

In other words (to quote Rob) "There is no ideal histogram for any specific type of picture." But with your knowledge of the scene, you know if there should be more light or more dark. So a peak offset in one direction or the other is just fine. And even s huge spike in the left can be ok (because there is a black/dark background, for example.)

This might help you out:

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