Letus35 138mm Circular Polarizer Filter Rosco RS5811 or radio triggering Measuring range

or radio triggering Measuring range at ISO 100 of -2 to 22

The lockbox includes a fan and has a mounting location for a second fan (sold separately) if desired

All surfaces are ground and polished to specific thickness and tolerances Even non-multi-coated Hoya filters have one layer of anti-reflective coating applied to each surface of the glass

Secure Mount

Screw-Holes for Wall Mounting

Letus35 138mm Circular Polarizer Filter Rosco RS5811 or radio triggering Measuring rangeHelps to Eliminate Reflections and Glare Reduces Haze and Blue Cast in Landscapes Greater Color and Tonal Saturation Index Scale for Repeatable Configuration Compatible with Matte Box Filter Trays High Grade German Optical Glass The Letus35 138mm Circular Polarizer Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non metallic surface. The light from the sun naturally becomes