The Vivitar 37mm Warming Filter is manufactured from high-quality solid optical materials. The filter is heat-treated to avoid any rare movement or distortion. The warm glow makes colors come alive and adds life to color portraits.
Vivitar 37mm Warming Filter Features
Captures sunset light, even when the sun's not going down
Makes human skin color look healthier
Reduces rays of blue light that are common in photos of snow and overcast days to a warmer color