Promaster 6837 HGX Camera Accessories sku-641849009

Promaster Camera Accessories model 6837, SKU sku-641849009, UPC 029144068370, is a White HGX Prime 62mm circular polarizer filter. The source also lists Helix SKU PR6837. It reduces reflections and deepens color saturation while transmitting about 30% more light than typical polarizers.

Individually ground and polished glass has black rims and multiple coatings to limit flare and internal reflections. A Repellemax II anti-static barrier repels dust, dirt, oil, water and fingerprints; the ultra-hardened glass has a scratch-resistant coating. Thread size: 62 mm; outer diameter: 65.0 mm; frame thickness: 7.0 mm; lens thickness: 2.0 mm. There are 18 coating layers.

Light transmission is a maximum 88.9% and averages 44.4% at 400 to 700 nm. Average reflection is less than 0.6% at 420 to 680 nm. Made in Japan.