1, Haida Graduated Filters include 6 types: red, yellow, blue, green, orange and grey. 2, The transmittance of the grey density is approx. 25%. Special alloy made frame, of Haida
1, Haida Graduated Filters include 6 types: red, yellow, blue, green, orange and grey. 2, The transmittance of the grey density is approx. 25%. Special alloy made frame, of Haida