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Questions tagged [metering]

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The means by which a camera automatically determines exposure settings such as shutter speed, aperture, and ISO (sensitivity).

188 questions
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4 answers
180 views

Metering Mode Doesn't Effect RAW Files? What About The JPEG Preview?

[Sony A7R5] Ok, this is more about confirming what I think is true. I know that the metering mode doesn't make a difference to the RAW files when I'm shooting in manual because I'm setting ISO, ...
TRH's user avatar
TRH
  • 181
2 votes
1 answer
212 views

Is a ~2/3rds-stop delta between Olympus and Panasonic metering typical?

Moving from Olympus (OM-1) to Panasonic (S5-II), I'm finding that comparing the whole-scene metering modes (ESP on the OM-1, "multi-metering" on the Panasonic), the Panasonic tends to ...
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Charles Duffy
  • 133
2 votes
3 answers
616 views

Nikon D850 images are always underexposed

I have set my D850 to matrix metering and I shoot RAW only. When I review my images on the screen they look good in terms of exposure. I dont always check the histogram. However when I look at the ...
Arji's user avatar
Arji
  • 1,633
3 votes
4 answers
836 views

How exactly does an incident light meter determine the exposure?

I am struggling to understand what is going on inside the logic of an incident light meter in order to determine the exposure as opposed to a reflective light meter. I understand that a reflective ...
Leo's user avatar
Leo
  • 31
3 votes
3 answers
165 views

Is Evaluative metering exposing the scene to 18% gray?

An article I saw mentioned that evaluation metering calculates the average to decide how much light received would be considered as properly exposed. Only considering digital cameras, what is this ...
Amarth Gûl's user avatar
Amarth Gûl
  • 539
1 vote
3 answers
182 views

Why are dedicated light meters supposed to be independent on the sensor?

As I have understood by this question, an exposure value of a certain scenario cought from a digital sensor (CCD or CMOS) results from: the scenario luminance the sensor sensitivity the ISO, shutter ...
Kinka-Byo's user avatar
Kinka-Byo
  • 514
4 votes
3 answers
145 views

Confused by a paragraph in the classic photography book Understanding Exposure explaining the limits of today's camera meters

In the classic photography book Understanding Exposure by Bryan Peterson, on page 113 of the fourth edition of the book, the author writes that: [...] in addition to being confused by white and black,...
Brian Daniels's user avatar
Brian Daniels
  • 43
2 votes
4 answers
553 views

Why can't auto ISO be applied after the image was taken?

I shoot a lot of macro images with flash and custom light mods. Most often I set my camera to F/18 and 1/200 of a second with 1/4 flash power. Every time the light changes I need to adjust my ISO. I'...
Arji's user avatar
Arji
  • 1,633
1 vote
3 answers
294 views

Metering red lights in film photography

I’m a film user and I measured this using a sekonic L508 meter. The light is led continuous light reflected to the ceiling. Why is the face detail blown when I used the light meter? Does red light ...
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sj.film
  • 11
4 votes
1 answer
840 views

How would I manually compensate +1 stop on my light meter using the ISO setting?

I am new to film photography and just wanted to double check something I am confused about. So imagine I am using a fully manual film camera with an older light meter in the cold shoe. No exposure ...
Mr Smith's user avatar
Mr Smith
  • 43
1 vote
2 answers
1k views

Why is S-Log2 exposed for correctly at 32% for middle gray

I though that when metering, cameras set the exposure so the average brightness in the scene is 18% gray or RGB(127,127,127). Then I read this article and am confused on this chart http://www.xdcam-...
J Bailey's user avatar
J Bailey
  • 33
4 votes
1 answer
413 views

Same manual camera settings under continuous light but some pictures are yellow and some are blue

I recently did a product photoshoot. After a few pictures, I noticed that some of the photos are warm coloured, some of them are cold. I have not touched the object, my camera was on a tripod, and I ...
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Anikó Ficsor
  • 49
3 votes
2 answers
664 views

Random EXIF data with same camera settings

I have a few problems with exposition with my Canon 70D: with same camera settings I get random EXIF data for focal lenght and aperture. This is the setup Table with white paper as white background....
Mario's user avatar
Mario
  • 313
2 votes
3 answers
2k views

Why is the subject too dark when using auto modes on Nikon D5600?

I have a problem with using automatic and semi-automatic modes. For example, I have "fairly optimal" light, in "A" mode I set the desired aperture value, let it be 2.8 and ISO 200, when I switch to ...
jano27's user avatar
jano27
  • 21
1 vote
2 answers
623 views

Is is possible/practical to adjust the Gost scale light meter on a Kiev 4M to work in ASA values?

I just received a Kiev 4M (Ukraine-built Contax II or Contax III variant made with repatriated equipment from the Zeiss factory). This is the version with a selenium (or silicon?) light meter on the ...
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Zeiss Ikon
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