Hoya 80A Color Conversion Filter for Daylight Film Color Correction it can be used with

it can be used with color film to produce a specific color effect

Hoya engineers have re-certified the HD3 Circular Polarizer to work with 100mp+ camera sensors without loss of resolution

This results in bluer skies

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

This commonly occurs indoors when your main light source is incandescent light bulbs

Hoya 80A Color Conversion Filter for Daylight Film Color Correction it can be used withOverview The 80A color conversion filter transforms the color of the ambient light entering the lens by adding blue to the overall exposure. This helps match the scene to your film's white balance. The Hoya 80A filter is helpful when: You are using daylight balanced film (5500K) and the light source is 3200K. This commonly occurs indoors. You are shooting with daylight balanced film at night. HOYA Multi Coat (HMC) filters are recommended for enhancing