Hoya W4 Warming Filter – 81D Color Correction for Daylight Film film Filter Factor: Specialty Glass Type:

Filter Factor: Specialty Glass Type: Hoya Optical Number of Multi-Coatings: 0 Hardened Top Layer: No Anti-Static: No Frame Construction: Standard Profile / Aluminum Front Filter Threads: Yes

You are shooting tungsten-balanced film indoors with 5500°K light sources like flashed or studio strobes

8% Number of Multi-Coatings: 16 Layers / 8 per side Nano-Coating Technology No Hardened Top Layer: Yes Anti-Static: Yes Black Rimmed Glass Yes Frame Construction: Aluminum Front Filter Threads: Yes

The YA3 is particularly useful in color landscape photography

Hoya W4 Warming Filter – 81D Color Correction for Daylight Film film Filter Factor: Specialty Glass Type:Description W4 color correction filter warms the ambient light entering the lens by 500 kelvin (+40 mired shift) by adding light amber color to the overall exposure. This filter helps fine tune the color or look of your scene to match your film's white balance or creative vision. The Hoya W4 filter is helpful when: You are using daylight balanced film and the light source is colder than the desired look and you need a specific amount of color