he GND Filter adopts environmental optical glass lens and aerospace aluminum frame. which assures HD image quality and restore the truth. With well proportioned color transition, it provides a stronger color saturation and sense of hierarchy for shooting. Furthermore, screw thread in front of the frame makes it easy to install the lens cap and other accessories. Its the first choice of professional photographers.
Features
environmental optical glass;
Lens surface double sides waterproof, oil resistant, easy to clean;
High-quality lenses for enhanced treatment, scratch-resistant, durable for long life use;
Smooth transition of gradient process, even color;
Superior-quality aerospace aluminum frame design.
Specification
Lens Thickness:2mm
Frame Height:5mm
Frame Material:Aluminum Alloy
Lens Spring:Thread Screw-in
Lens Material: environmental optical glass
Applicable lens:For Canon, Nikon, Sony, Pentax, Olympus, Fuji, Samsung and other brands aperture camera lens