Offers 3 to 10 Stops of Neutral Density. Rotating Ring to Choose Degree of ND. Super-wide Outer Ring Reduces Vignetting. High Quality Optical Glass Construction. Reducing Reflction Multi-coating. Water Proof, Oil Proof and Scratch Proof Multi-coating. A Knob for Easy Rotating. Eliminated Blue Color Shift at ND2.7, 500x
Offers 3 to 10 Stops of Neutral Density. Rotating Ring to Choose Degree of ND. Super-wide Outer Ring Reduces Vignetting. High Quality Optical Glass Construction. Reducing Reflction Multi-coating. Water Proof, Oil Proof and Scratch Proof Multi-coating. A Knob for Easy Rotating. Eliminated Blue Color Shift at ND2.7, 500x