color calibration
Dec 7, 2021 22:29:02 #
Dec 7, 2021 22:30:46 #
Dec 7, 2021 23:33:28 #
I have to share news of my ignorance. What is a color passport?
Dec 7, 2021 23:53:30 #
calibrate the colors in your camera , like a wheel alignment in your car . On the flip side don't think it has to be done if you don't shoot thousands of frames a week !
Dec 8, 2021 06:08:55 #
Ysarex wrote:
I do.
I do when it matters. I don't most of the time. Auto white balance is ok for those times. But it is always in my camera bag or my pocket.
Dec 8, 2021 06:15:57 #
Imagemine wrote:
calibrate the colors in your camera , like a wheel alignment in your car . On the flip side don't think it has to be done if you don't shoot thousands of frames a week !
It has nothing to do with camera color calibration. It creates a color profile for the lighting conditions - which, during an event where one is shooting with available light, can change multiple times. I visited a Botanical Gardens. There was an outside display, and many inside displays - some lit with skylight, others with electric light, and yet others with a mix of skylight and electric. I think I did 6 or 7 profiles that day.
It is not a "set it and forget it" thing.
I'm guessing you've never used one. This may help you understand how it works and when it can be used.
https://www.youtube.com/watch?v=NDtebpvATzc
Dec 8, 2021 07:57:50 #
I occasionally use the forerunner, a Macbeth color chart. I use this when I need precise colors in the final processed photograph.
My two main concerns with any photograph are primarily hue contamination and secondarily white balance.
--Bob
My two main concerns with any photograph are primarily hue contamination and secondarily white balance.
--Bob
Imagemine wrote:
how many people use a color passport ?
Dec 8, 2021 08:14:52 #
Imagemine wrote:
calibrate the colors in your camera , like a wheel alignment in your car . On the flip side don't think it has to be done if you don't shoot thousands of frames a week !
Dec 8, 2021 10:24:30 #
Imagemine wrote:
how many people use a color passport ?
I have used it on commercial assignments when I need the best possible match with reality in my color output.
That said, most of the time, I don't need a perfect color match, so I use one of these simple exposure and custom white balance calibration targets:
> One Shot Digital Calibration Target
https://www.bhphotovideo.com/c/product/429983-REG/Photovision_DT24011_24_One_Shot_Digital.html
> Delta-1 Gray Card
https://www.bhphotovideo.com/c/search?Ntt=delta%201%20gray%20card%208x10%22
> Expodisc
https://www.bhphotovideo.com/c/search?Ntt=ExpoDisc
My favorites are the first two. I use the in-camera meter to set exposure from the target first, then perform a custom, manual, or pre-set white balance (same thing, named differently by Canon, Panasonic, and Nikon; your camera may call it something else).
Dec 8, 2021 10:33:08 #
photogeneralist wrote:
I have to share news of my ignorance. What is a color passport?
google it
Dec 8, 2021 10:43:04 #
Strodav
Loc: Houston, Tx
I almost always take a shot of a grayscale reference (3 patch white, black, 18% gray), or a color passport, which also has a grayscale in it under ambient light. It helps me set exposure during the shoot and helps with exposure and white balance in Post. If pressed for time, I'll just take a shot of the palm of my hand.
Dec 8, 2021 11:09:36 #
If you go to youtube and search for
color passport checker
you'll find a plethora of videos explaining how, why, and why not use of this product.
--Bob
color passport checker
you'll find a plethora of videos explaining how, why, and why not use of this product.
--Bob
photogeneralist wrote:
I have to share news of my ignorance. What is a color passport?
Dec 8, 2021 11:11:41 #
The WB setting I use in my cameras is custom to each one. I need to adjust color in processing, initially in ACR and then final touches in Ps to compensate for both color and hue contamination.
--Bob
--Bob
Imagemine wrote:
calibrate the colors in your camera , like a wheel alignment in your car . On the flip side don't think it has to be done if you don't shoot thousands of frames a week !
Dec 8, 2021 11:44:59 #
As I don't do commercial product photography where precise color rendition is important, I don't really have a need for a color passport. During processing I simply adjust color to my liking, to what I feel works best for the image.
Dec 8, 2021 16:29:52 #
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