Focal length 35mm equivalent, but not F-stop?

Started Jul 24, 2014 | Discussions thread
OP Chikoo Senior Member • Posts: 1,630
Re: Focal length 35mm equivalent, but not F-stop?

Beachcomber Joe wrote:

Chikoo wrote:

If my angle of view changes, so does my exposure.

Your camera's meter may suggest a different exposure because it sees more light or dark areas. The actual exposure required does not change. You need to take a very basic class on exposure. Clearly reading the technobabble spewed forth on these forums has left you confused.

Probably so.

However consider that I was photographing 100 light bulbs of 10w with 160 lumens output each when I was using a 35mm lens on a FF camera.

Now if I switch to a APS-C (1.5x crop) camera with the 35mm lens at the same distance, same focal length, the number of light bulbs in my frame would decrease, which means the light coming in will also decrease.

Yes, no?

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