Promaster 69346 52mm Circular Polarizer Filter (CPL) - Pure Light Studio Strobes 8 maximum aperture that offers

8 maximum aperture that offers outstanding image quality and bokeh

ED glass elements reduce colour bleeding for excellent contrast and clarity

- 30mm Thickness

Sigma: EF-610

Promaster 69346 52mm Circular Polarizer Filter (CPL) - Pure Light Studio Strobes 8 maximum aperture that offersPURE LIGHT CIRCULAR POLARIZING FILTER This Pure Light Circular Polarizing Filter features polished Schott B270TM optical glass and multicoatings that provide remarkable performance along with oil and water resistance. CPL filters use high transmission film, with an impressive average light transmittance of 42. 9%! Made in Japan, home to the very best polishing techniques, coating formulas, and unmatched attention to detail. Multi Coatings are