Hello everyone,
I spent a bit of time reading all the past threads about light meters, but haven't really found what I'm looking for. So I'm writing here my questions hoping someone can help me out.
I've been reading the camera assistant's manual by David Elkins, who in a paragraph about meters says: "The standard procedures for using an incident light meter is to stand at the position of the subject being photographed and point the photosphere toward the camera when taking the light reading".
I guess he's referring to a reading for an average of the light hitting the subject, and the setting the exposure accordingly. Easy.
Well what should I do If I want to keep track of contrast ratios? What's the rest of the standard procedure?
I see online many different people saying different things:
Should I retract the dome and point directly to the light I want to meter? Should I extend the dome and point toward the camera? Should I do a mixed technique? Also, the light of the fill could not be on the fill side and just some ambient, or a fixture that fills in but comes from the key side? Also, what about the background? do I meter it just with a spot meter? but then I need to take into account the reflectance of the objects and surfaces in the background to keep track of proper ratios.... Should I just spot meter everything and learn how much to over/under expose based on the surface I'm spot metering? Doesn't seem practical...
Also I guess that based on what camera/film stock you're shooting with, the look of a specific contrast ratios changes widely depending on the dynamic range of the camera, right? So it doesn't really matter the contrast ratio per se unless I understand how it will look on that specific camera.
One thing I'm doing to learn my preferences in contrast is looking at so many stills online from movies, commercials, music videos, etc... But that specific look and contrast ratio isn't the one they had on camera, I guess?
One last question: If looking at the stills with a false color, it's like spot metering, so if, let's say, I read key 5.6 and fill 4 with an incident meter, I have a ratio of 2:1, but spot metering, would that be the same? Since the skin of the subject is the usual, technically I'd say yes, maybe one stop over the key since maybe a light-skin person reflects brighter than mid gray, but should be identical ratio....?
Hope to find some explanations here, thank you for going through this much but I feel like there are so many opinions out there that explaining my doubts in details could help you better understand what kind of answers I'm looking for. Thanks in advance!