Sirui Nano UV Pro MRC Filters
* Available in High performance Brass or rugged Aircraft grade Aluminum filter rings .
* All filter rings provide high strength, corrosion resistance, stability and critical filter alignment. Brass rings provide enhanced strength and stability.
* 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.
22-layer anti-reflective coatings on both surfaces eliminates reflections and provides light transmission of almost 100%.
* Extremely thin ring (only 3.4mm) prevents vignetting even with wideangle lenses (f=16mm)
Specifications :
* Extremely thin, only 2mm. No vignetting even with wideangle lenses (f=16mm).
* layer protective coating (waterproof, oil-resistant, scratch-resistant, anti-reflective, anti-static) for easy cleaning and superior lens protection.
* Lightweight, high performance “scientific grade” aluminum filter ring provides high strength, corrosion resistance, stability and critical filter alignment.