Light Meter, HVX, Adaptor, ISO

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nickmicros

Well-known member
The HVX ISO rating is 320 in a certain gamma setting, HD norm. Now when I equipped my HVX with a Letus Extreme that loses .5 f-stop of light, how would this modify my ISO?
 
A 1-stop reduction would cut your ISO rating in half from 320 to 160.

A 1/2-stop reduction would bring your ISO from 320 to 240 (25% lower).
 
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