Shadowy Daisy

Shadowy Daisy
by damned-truths

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Color is the human perception of light as having different hue, from reds and oranges, through yellows and greens, to blues and violets. Color is a fundamental aspect of the arts and photography.

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On iOS, why would one want to pick a 'video' pixel format (16-235) over a 'full' format (0-255)?

Take a look at this screencap from this year's WWDC session 501 "Advances in iOS photography". As an app developer, you can tell the camera subsystem to either use the 'video' pixel format or the '...
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351 views

Why do the thumbnails for grayscale images show up in color in Windows Explorer?

I have some images from a Nikon SLR that I have converted to grayscale, however the thumbnails in Windows Explorer are in color. Is the thumbnail information stored in the file header, or is the color ...
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1answer
57 views

Source for colored Wratten filters?

I need 13 different Wratten gelatin filters to use in some research in anatomy and I need a specific spectrum of light filters. I need #'s 3, 9, 15, 16, 21, 24, 25, 29, 44, 53, 58, 98, and 31 or 32. ...
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332 views

Is it normal for the Canon 6D to exhibit more color noise compared to a 50D?

My first day with 6D, upgraded from a 50D. Wouldn't be pixel-peeping but something unusual caught my eye when I opened photos in Lightroom this morning. The color noise pattern is completely different ...
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57 views

Camera degradation over time in mobile phones

I am working on the concept that the color reproduction property of a camera in a mobile phone can shift over time as compared to what it used to be in a newly bought phone. So, came with some doubts: ...