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lux to f-stop tables @ 50 ASA


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#1 lucas Loureiro

lucas Loureiro
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Posted 07 February 2007 - 08:46 PM

I am trieng to find a lux to
f-Stop at 50 ASA

Thank you so much to anyone that
can point me in the right direction

Lucas Loureiro
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#2 Mike Rizos

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Posted 07 February 2007 - 11:08 PM

Hi
Assuming 1/48 sec. shutter speed, at 50 ASA, I get the following results from my meter:

Lux ----- F-stop
258 ----- 1
516 ----- 1.4
1031 ---- 2
2062 ---- 2.8
4125 ---- 4
8250 ---- 5.6
16500 --- 8
33000 --- 11
66000 --- 16

Edited by Mike Rizos, 07 February 2007 - 11:10 PM.

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#3 lucas Loureiro

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Posted 07 February 2007 - 11:29 PM

Hi
Assuming 1/48 sec. shutter speed, at 50 ASA, I get the following results from my meter:

Lux ----- F-stop
258 ----- 1
516 ----- 1.4
1031 ---- 2
2062 ---- 2.8
4125 ---- 4
8250 ---- 5.6
16500 --- 8
33000 --- 11
66000 --- 16



Thanks Mike, that helps me out a lot.

Lucas Loureiro

Edited by lucas Loureiro, 07 February 2007 - 11:30 PM.

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