40.5MM Polarising Filter Circular Polarizing CPL, Ultra Slim, Japan Optics, Multi Coated
SKU: KF01.1307
Q
What does cnc trepizoidal pattern frame means, and what's the benefit?
Answer Question
A
new technology i guess, cnc Trapezoidal thread forms are screw thread profiles with trapezoidal outlines which helps more friction when screwing. Very easy to install.
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