Posted by MG on 01/21/08 22:37

"Richard Crowley" <rcrowley@xp7rt.net> wrote in message
news:5vk6eaF1mu55mU1@mid.individual.net...
> "peter" wrote ...
>> When shooting shows where background is darker than foreground subject,
>> cheaper cameras have a darker background than the more professional ones,
>> even though the foreground subject is at the same brightness.
>>
>> This seems to imply they have different gamma response. But shouldn't all
>> video cameras have the same standard gamma, whatever it may be? Or do the
>> makers of cheaper camera lower the gamma to hide the video noise in
>> darker area?
>>
>> The effect is particularly noticeable when editing together clips from
>> the same shoot from a consumer camera and a pro camera.
>
> There are many differences (not just gamma) between different
> models. Even professional cameras from the same mfg, but from
> different models are frequently difficult to match. IME, using a
> consumer and pro camera together, you are lucky to get even the
> basic colors to look similar. If you are happy with simply tweaking
> the gamma to get a match, then you are doing better than many
> of us.
>

If it's just gamma, you can probably make the correction in your NLE. But I
would guess it's more than that.

mg



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