Aperture help

DinoS

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Hi

i have a shutter speed of 0.5 seconds and it changes to 1 how many stops is this?

and the same for

0.5 sec to 4

and

0.5 to 30

is there a way of working it out.
 
Hi

i have a shutter speed of 0.5 seconds and it changes to 1 how many stops is this?

and the same for

0.5 sec to 4

and

0.5 to 30

is there a way of working it out.

0.5 -> 1 = 1 stop
0.5 -> 4 = 3 stops
0.5 -> 30 = just under 6 stops

Doubling or halving time is the equivalent (in exposure terms) +1 or -1 stop or EV
 
thank you it makes sense now
 
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