Time to be with your loved ones

Time to be with loved ones

by sat

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

Tag Info

New answers tagged

-1

The lack of uniformity in the image makes me think it is due to a bug in the pre-processing by the camera. You are amplifying the signal a lot at that high ISO, so the camera is probably doing a lot of work to try to get anything else than noise -and failing.


1

If flash isn't an option but you're there officially and reasonably close to the action, what about halogen floods (poor man's studio lighting if you like). Many years ago I had some cheap 8' tripod mounted 500W floods designed for DIY work, modified to 3x500W each. Something similar may work here, at least to reduce the contrast from the fluorescents to ...


25

I think "several fluorescent fixtures that I use to light my studio" is the key here. I'm guessing that the very high ISOs are accompanied by very short shutter speeds. Fluorescent lights cycle, and there are color variations within the cycle. Repeat your test with incandescent light or sunlight (or a strobe with high-speed sync). See Do fluorescent ...


1

A color model is a method of describing a color. For example with Red, Green and Blue (RGB) elements or with Cyan, Magenta, Yellow and Black (CMYK). A color space is the set of colors which can be displayed or reproduced in a medium (whether stored, printed or displayed). For example, sRGB is a particular set of intensities for red, green and blue and ...


1

Another way to add to Hermann's excellent answer would be that when the term color model is used it is used in it's mathematical form, and when the term color space is used it is usually used in the context of data that has had the color model applied to it and thus inhabits that color space. There is no accurate term "true color" in the context of ...


4

A color model is the mathematical (or computer science) way of describing colors. It is independent from physical devices. RGB-8 or RGB-16 are color models as well as CYMK or HSL. A color space is the method of mapping real colors to the color model's discrete values. sRGB and AdobRGB are color spaces that both use RGB as model. But in one the color ...


1

You have to make a distinction between mixing lights and mixing ink. When you take a picture, whatever camera you have (Digital, Analog, iPad, iPhone...) you are capturing lights. And according to physics laws, in the lights, the white is the mix of all other colors. The rainbow is a good example of lights diffraction. It's simply a separation of the white ...


2

Cameras are RGB because of the color filters over each of the pixels (photosites) on the sensor. There are a couple of rare cameras with a filter that instead samples cyan, magenta and yellow (not sure about luminance (black)), however this then would require a conversion to RGB to work with most screens and even a lot of photo printers which are RGB based. ...


11

Inherently, no. The RGB model is natural for recording light, and the CMYK model is natural for printing (where reflected light is subtracted). But see Are RGB numeric values equal to CMYK percentages? — the loss in conversation isn't inherently because RGB to CMYK is inherently lossy, but because the actual color spaces of the devices used are different, ...


4

So, the vast majority of sensors are RGB (the array is usually 1 red, 1 blue, and 2 greens or Foveon), so right off the bat you're working with handicap with respect to CMYK. However, that's not really the reason why this doesn't work... CMYK is a subtractive color model, it works by subtracting from white which is the presence of all colors. RGB is ...


1

Aperture < Preferences < Import < Standard Previews I began noticing the same issue. I work with social media nearly 100% of the time so I don't shoot in RAW that often because I need to generate decent photos quickly and get them online (my iPad data plan would hate me if I started uploading those file sizes too haha!). Following the above path ...



Top 50 recent answers are included