Type De filtre
Screw- on GND Filter
Numéro de Type
Graduated Neutral Density Filter
Point d'origine
Guangdong,China
Fonction de filtre
manage the lighting condition
Taille de Filtre
37mm...150mm/Custom
Glass material
SCHOTT B270 Glass/AGC/Other Optical glass
Thickness
3.3mm,5.5mm,6.7mm,7.0mm/Custom
Coating
Double Sides AF&AR coating/Custom
Frame material
Aluminum/Copper/custom
Frame interface
Screw-on Thread