The Neutral Density Filter used for Cinematography. It has a Neutral Density of 1.2 (4 stops) and therefore reduces transmission by 94%. A common use for this filter is to allow the use of larger apertures, reducing depth of field, to allow selective focus and rack focus.
|Filter type||Neutral Density|
|Filter Factor||Increase exposure by 4-stops - Transmits only 6% of light|
|Effect||Reduce the amount of light reaching the film|
|Application||Nature, travel, outdoor photography|
|Construction||Water White Glass|
|Dimensions||4 x 5.65" (100 x 140mm, 4mm thick)|