f/1.4 vs f/4 Settings

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Gam3r01 Forum Member • Posts: 73
f/1.4 vs f/4 Settings

Im looking to purchase an f/1.4 lens for some low light work and im just checking if my math checks out, in a general sense, obviously its not exact.

From what ive seen, If I have a shot at f/4 12800 ISO and 1/60s (this is an actual shot i took), it would be roughly equivalent to f/1.4 1600 ISO and 1/60s. (Obviously in this case I would have raised the shutter speed and iso on the second one). Same focal length in both.

Stops always escape me so looking at it like this would be helpful for me.

 Gam3r01's gear list:Gam3r01's gear list
Canon EOS RP Sigma 150-600mm F5-6.3 | C Canon RF 35mm F1.8 IS STM Macro Canon RF 24-240mm F4-6.3
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