The Recent F/stop Controversy

Started 1 month ago | Discussions thread
kiwi2 Veteran Member • Posts: 4,405
Re: The Recent F/stop Controversy

Michael Fryd wrote:

Yes. modern cameras are labeled in f/stops, and actual mm. Yet we routinely suggest that people think in terms of effective f/stops, and effective focal lengths.

I am suggesting that instead of "effective f/stop" we use the more straightforward "aperture diameter."

Here is a shot taken with a 6 mm aperture...

6 mm aperture

Here is a shot taken with a 150 mm aperture in the same light with the same camera with the same shutter speed and ISO...

150 mm aperture

Which one put more photons onto the sensor..?

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