SIRUI Nano UV Pro MRC Aluminum Ring 77mm

Pastikan Ring Filter lensa Anda Ukuran 77mm_x000D__x000D__x000D_ _x000D__x000D__x000D_ Sirui Nano UV Pro MRC Filters_x000D__x000D__x000D_ Available in High performance Brass or rugged Aircraft grade Aluminum filter rings ._x000D__x000D__x000D_ All filter rings provide high strength, corrosion resistance, stability and critical filter alignment. Brass rings provide enhanced strength and stability._x000D__x000D__x000D_ Brass filters have L41 coatings and aluminum filters have L37 coatings on each side of the glass (waterproof, oil-resistant, scratch-resistant, anti-reflective, anti-static) for easy cleaning and superior lens protection._x000D__x000D__x000D_ 22-layer anti-reflective coatings on both surfaces eliminates reflections and provides light transmission of almost 100%._x000D__x000D__x000D_ Extremely thin ring (only 3.4mm) prevents vignetting even with wideangle lenses (f=16mm)_x000D__x000D__x000D_ _x000D__x000D__x000D_ Specifications_x000D__x000D__x000D_ Extremely thin, only 2mm. No vignetting even with wideangle lenses (f=16mm)._x000D__x000D__x000D_ layer protective coating (waterproof, oil-resistant, scratch-resistant, anti-reflective, anti-static) for easy cleaning and superior lens protection._x000D__x000D__x000D_ Lightweight, high performance #39; #39; #34;scientific grade #39; #39; #39; aluminum filter ring provides high strength, corrosion resistance, stability and critical filter alignment.