Linked Questions

95
votes
4answers
16k views

What does an unprocessed RAW file look like?

I know people use fancy software like Lightroom or Darktable to post-process their RAW files. But what if I don't? What does the file look like, just, y'know, RAW?
11
votes
8answers
3k views

What would happen if a camera used entirely different primary colors?

So, as many people know, humans have three cones cells, enabling us to see three distinct "primary" colors, which may combine to form the entire spectrum that we are capable of seeing. Meanwhile, many ...
3
votes
6answers
3k views

Do smartphones suffer from degrees of chromatic aberration? If so, how is it possible?

Smartphone imaging sensors are usually Bayer sensors which have a color filter array on top of each pixel, so each pixel ultimately captures one of red, green or blue colors of light. In that case, ...
21
votes
3answers
3k views

Why don't mainstream sensors use CYM filters instead of RGB?

From what I understand most digital cameras have a sensor where each pixel-sensor has three sub-sensors, each one with an R,G and B filter. RGB is obviously the more fundamental colour model since it ...
18
votes
3answers
6k 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 ...
19
votes
4answers
4k views

Why are camera sensors green?

When I look at a CMOS sensor it's green. But CCD sensor. photos in the internet show pink sensors. So what exactly defines the color of an camera sensor? Especially what defines colors of the ...
12
votes
3answers
1k views

Why is my camera drawing labyrinths on my photos?

On the photos where the lens flare is present, my Nikon D7000 is drawing strange labyrinth-looking artifacts. Here's an example. The first image is a screenshot of a little part of the original photo ...
13
votes
2answers
2k views

Why does the histogram of an image depends on the software that opened it?

If I open a raw image in Photoshop and Paintshop pro their histograms and their look is different. However, if I open a Jpeg image in both Software, then their histogram and look is the same. What ...
11
votes
3answers
3k views

Why can software correct white balance more accurately for RAW files than it can with JPEGs?

Why are post-processing JPEG white balance corrections not as accurate as white balance with Raw? My understanding is that when shooting jpeg the camera internally does the following steps: Convert ...
1
vote
2answers
2k views

Why does the quality of photos shot in RAW change after a few seconds when viewing them on a computer?

I have been taking a photo class for the past month or so and the professor told us to shoot in raw for a few assignments. When I view the pictures shot in RAW (on a canon rebel t7) on my computer, ...
2
votes
1answer
3k views

Opening NEF files on windows initially open fine but then change contrast

I have a strange issue with Windows 10 When I open .nef files they load fine. However after a second or two the contrast changes noticeably. I tried Windows 10 Photos and Picasa Image Viewer. What ...
5
votes
2answers
1k views

6500k calibrated monittor - what are the RGB values to represent a given monochromatic radiation of known wavelength?

Say I've calibrated a monitor to the standard 6500k 2.2 gamma, and the color space is sRGB. On this monitor, I would like to have a reasonably accurate representation of a monochromatic radiation (...
0
votes
3answers
641 views

Megapixel number - how many sub pixels? [duplicate]

I read conflicting information about the megapixel - subpixel relationship when it comes to sensors in digital cameras. I read that megapixel is number of sub pixels and I also read megapixel is ...
2
votes
5answers
653 views

Why and how capturing RAW image instead of JPEG helps with editing [duplicate]

Often I heard photographers say that RAW is used for editing photos. I have used Adobe Photoshop Lightroom before and I don't see how capturing RAW helps. Can anyone explain how capturing RAW helps ...
4
votes
4answers
280 views

Is it possible to buy chromaticity-plot color standards? If so, how, and where?

(I hope this is the correct site to ask this; if it isn't, sincere apologies ─ and please help me find a good place to ask :-).) I'm a physicist and I've been dabbling in color theory for some time, ...

15 30 50 per page