Alternative neutral gray lens 
WP MCCPL will reduce the exposure of a file, you can substitute ND2 role.

Athabasca (Ai photo card) Slim WP MCCPL 
Caliber can offer: 
49mm 52mm 55mm 58mm 62mm 67mm 72mm 77mm 82mm 
Athabasca (Ai photo card) Slim WP MCCPL 
How to use WP MCCPL: the WP MCCPL installed directly in front of the lens, while rotating WP MCCPL, while the LCD screen or viewfinder by observing the scene being shot in the polarized light source, until it disappeared or reduced to the desired effect so far. 
Athabasca (Ai photo card) Slim WP MCCPL 
Thickness: 5.75mm 
Ingredients: Japanese AGC Glass 
Coating Coating: Double-sided; antireflection coating; waterproof coating; antifouling coating 
Fixation: fixed circle seamless access 
Main features: 
Protection polarized lenses increase contrast decrease waterproof anti-oil 
Environmental certification: