Brand Name: Etmakit
Type: Other
Origin: Mainland China
Model Number: Camera Filters
Suitable: Suitable: : dynamic screen, waterfalls, streams, etc. photography
Neutral density: Neutral density: : adjusted from ND2 to ND400
Type: Type: : adjustable camera ND filter
Glass Material: Glass Material: : optical glass
Caliber: Caliber: : 37mm-82mm optional
Color: Color: : Black
Frame material: Frame material: : aluminum alloy
Can expand: Can expand: : expandable
Extension ring thickness: Extension ring thickness: : 1.32mm
Spring type: Spring type: : screw-in compression spring
Thickness: Thickness: : 6.9-7.5mm
Neutral Density Grade: Neutral Density Grade: : 2 - 400