Hoya 81A Warming Filter for Color Temperature Control Choose Filter Size:52mm - $23.90 Circular polarizers are easy to

Circular polarizers are easy to use too

stain and scratch resistant

and the beautiful rocks at the bottom of that secret mountain lake are revealed

smudges and water wipe away easily

Hoya 81A Warming Filter for Color Temperature Control Choose Filter Size:52mm - $23.90 Circular polarizers are easy toDescription The 81A color correction filter warms the ambient light entering the lens by 200 Kelvin by adding "orange" to the overall exposure. The filter helps fine tune the color or look of your scene to match your film's white balance. The Hoya 81A filter is helpful when: You are using daylight balanced film and the light source is cooler than the traditional 5500 K and you need a specific amount of color correction to match your film type. You