Unrivaled Quality "Designed and built using only professional optical glass(Light transmittance is 97% )and T6061 aerospace aluminum alloy
" Perfect Design Simply rotate the filter ring, transmittance varies from 50% to 0.25% The MIN denotes UV (1 f-stop or 50% light transmittance) and the MAX denotes UV (9 f-stops or 0.25% light transmittance).
Specifications:
ăVariable UV FilterăND2-400 Filter reduce the light from 1 to 9 f-stops.Works great for outside bright sunlight and excellent to capture long exposure photos.
ăWell BuiltăMade with professional optical glass, instead of optical resin. Tough aviation aluminum frame ensuring durability.
ăEasy to UseăChanging the UV grade was simple,eplaces having to carry around a bunch of UV filters.
ăCompatible with 67mm lensesăWorks with 67mm filter thread.Please verify your camera's lens thread size first.