Brand Name: seafrogs
High-concerned chemical: none
Type: ABS ND Filter
Origin: Mainland China
Package: Yes
Coating: 18 Layer Coating on both sides
Glass Origin: Optical Glass
Frame Material: Aviation Aluminium
Frame height: 5.78mm
Packing: Elegant and protective
Standard: ROHS
Shape: Round
Function: No dark corner
Style: Slim Adjustable ND2-ND400 ND filter
Frame thickness: 1.75mm