Linked Questions

0
votes
1answer
62 views

What would be the most technically unaltered/numerically close camera-to-monitor workflow using common software? [duplicate]

If the intention was to, as much as possible, shove the ADC output octets that were present in the camera right up the framebuffer and out the HDMI cable - possibly truncating LSBs, if possible ...
52
votes
6answers
20k views

Why are Red, Green, and Blue the primary colors of light?

Colors don't have to be a mixture of red, green, and blue because visible light can be any wavelengths in the 390nm-700nm range. Do primary colors really exist in the real world? Or did we select red, ...
15
votes
3answers
4k views

RAW files store 3 colors per pixel, or only one?

Ken Rockwell says that camera makers consider the individual R/G/B sensors when they talk about megapixels. So the image below would be a 6x6 pixel camera, not 3x3 as you would imagine. If that's ...
10
votes
5answers
1k views

What *exactly* is white balance?

When setting a white balance configuration, we adjust the temperature and green-magenta shift to a wavelength-intensity distribution of light that correlates most closely with the actual distribution ...
3
votes
4answers
15k views

Does converting RAW files to TIFF lose image quality?

Before I found out about Camera Raw, I used to convert my photos from RAW to TIFF, using the XNVIEW convertor, downloaded from the Internet. My question is whether I lost image quality or anything ...
1
vote
3answers
892 views

How sharp are RAW photos before processing?

Are RAW images by nature slightly blurry prior to processing? If I open them up in Lightroom and zoom into the photo, my photos are not tack sharp but a bit blurry. Once I process, it comes out ...
4
votes
2answers
586 views

How exactly is the deeper bit-depth of RAW mapped onto JPEG and the display?

I am trying to understand RAW better. I have a Canon EOS 20D, and shoot in RAW+Jpeg mode. According to the specs in the manual, the RAWs of the 20D are 12 Bit. I understand that this means each pixel ...
2
votes
3answers
147 views

Why would a camera change colors on the image when producing JPEGs?

There's a room with windows closed by curtains, it's night outside and the only light source is a set of LED filament lamps inside the room. Lamps are designed to have 2200K color temperature to have "...
2
votes
4answers
186 views

How do I find out whether TIF images have gamma correction or not?

I have several DNG image files, recorded with an LGE Nexus 5X using Open Camera for Android as camera app. For further image processing i converted the DNG files to TIF files using Camera Raw 8 and ...
2
votes
2answers
105 views

Is tone mapping automatically applied to RAW images?

At first I thought tone mapping was a thing for HDR images only used to "display" the dynamic range which our monitors can't show. Turns out that RAW images tend to have a high dynamic range too. So ...
2
votes
4answers
142 views

Pixels and photodiodes

A photodiode is the smallest element of a digital sensor, while a pixel is the smallest piece of information in a digital image. I wonder if the two terms can be used interchangeably or there are some ...
0
votes
1answer
102 views

Why is there difference in white balance between Canon and Nikon even in RAW files?

I have Nikon and Canon codec installed in windows 10 so I can open images directly. I also have lightroom for comparing images. When I open the same image shot on Nikon D3400 and Canon 200D on auto ...