Sigma EX DG Wide Circular Polarizer/EX DG Circular Polarizer Multi coated filters optimized for Digital SLRs.
The Sigma Corporation is pleased to announce the launch of the new SIGMA EX DG range of filters which is optimized for digital SLRs. The new filters benefit from a super multi-layer lens coating developed to counteract the highly reflective characteristics of digital image sensors reducing both flare and ghosting. Black rimmed glass eliminates unnecessary internal reflections. The Sigma EX DG Circular Polarizing (CP) filters which eliminate reflections from subjects such as glass and water and deepen the intensity of blue skies. These Cir-Pol filters, with the exception of the 86mm, 95mm and 105mm, is encased within an ultra- thin metal ring that does not cause vignetting with wide-angle lenses. Each of these Sigma EX DG filters is designed to accept the front cap of the lens.