
Filter frame made of aluminum alloy, precision-engraved via CNC, and finished with anodizing to prevent paint chipping.
The tightening mechanism is consistent with the original A36 design, featuring a metal spacer to avoid damaging the lens surface.
The front diameter remains 36mm, compatible with original A36 lens caps and hoods.
Utilizes ultra-clear glass with an average transmittance of over 99.5%. The lens is coated with dual-sided anti-reflection coatings, a water-resistant coating, and an L390 UV-cut coating. The UV-cut coating is particularly suitable for film photography.

