Yellow #12 Screw-In Filter 3p - ebay The Tiffen 2 x 3"

The Tiffen 2 x 3" Double Fog 3 Filter simulates the effects of natural fog or mist by creating a soft glow around highlights and lowering the overall contrast of the scene

Softens Wrinkles and Blemishes

Filter factor of 4 requires approximately 2 stops of additional exposure to maintain normal results

and more Tiffen offers 4

Yellow #12 Screw-In Filter 3p - ebay The Tiffen 2 x 3"The #12 Yellow Filter from Tiffen is a filter designed to increase contrast and tonal separation for black and white photography. The filter absorbs blue colors, rendering blues darker. Haze is minimized for aerial photography and excessive blue is removed for astrophotography. The #12 Yellow Filter is recommended as a basic filter for use with Kodak's Aero Ektachrome Infrared Film. The filter has a filter factor of 2, so you must increase by 1 full