CHG_CANON wrote:
I look at the subject and decide what aperture I want to use, sometimes that's a function of the lens already mounted, but usually I already selected the lens for the aperture and focal length I plan to use for the subject / situations.
Say I want to use f/5 for a given situation, I'd also like to stay at the lowest ISO possible. So, I adjust the shutterspeed to obtain a sharp image or raise the ISO to get the shutterspeed needed for the composition.
Finally, as mentioned on your question about metering mode, I also want the meter to read +0.7 to +1 in most every situation. So, the f/5 with ISO-100 may not matter whether I'm at 1/500 or 1/320, except the slower speed serves to push the meter to the right.
I don't 'judge the light' deciding what exposure is needed. Rather, I decide my artistic intent via the aperture and focal length of the lens. I adjust the shutterspeed and ISO to use that pre-selected aperture.
For some people it seems shutterspeed is their primary driver, others it seems to be shoot at ISO-100 or don't shoot at all. The aperture is the driver for me, whether in manual or aperture priority or even with a manual aperture lens on a mirrorless where I always set the aperture first and adjust from there.
I look at the subject and decide what aperture I w... (
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Great explanation. I find starting with aperture works for my intent also.