The Schneider Optics 6.6 x 6.6 inch ND Filter is used for Cinematography. It has a Neutral Density of 0.9 (3 stops) and therefore reduces transmission by 87.5%. 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|
|Size||6.6 x 6.6" (165 x 165mm, 4mm thick)|
|Filter Factor||Increase exposure by 3-stops - Transmits only 13% of light|
|Effect||Reduce the amount of light reaching the film|
|Application||Nature, travel, outdoor photography|
|Construction||Water White Glass|