Description

W12 color conversion filter warms the ambient light entering the lens by 2200° kelvin (+120 mired shift) by adding dark amber color to the overall exposure. This filter is excellent when using tungsten balanced film like Cinestill 800T and want to create a natural look when shoot outside during the daytime.

The Hoya W12 filter is helpful when:

• You are using tungsten-balanced film and want to capture natural colors during the daytime instead of the heavy blue cast the film will create. 

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

W12 is stronger than W10 so it will produce a more neutral look when used with standard tungsten balanced films

HOYA Multi-Coat (HMC) filters are recommended for enhancing the performance of today’s multicoated lenses. These popular filters minimize reflection, reduce flare and ghosting, and result in over 97% average light transmission.

Comparison of C Series Filters:

FILTER	Cooling Amount	Equivalent
W2	200°K (+20 Mired Shift)	81A
W4	500° K (+40 Mired Shift)	81D
W10	1950° (+100 Mired Shift)	@85
W12	2200° (+120 Mired Shift)	@85B

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Specifications

Exposure loss:	1 1/3 Stop
Mired Shift	+120
Equivalent Filter	85B
Glass Type:	Hoya Optical
Number of Multi-Coatings:	6 total / 3 each side
Hardened Top Layer:	No
Anti-Static:	No
Frame Construction:	Low Profile / Aluminum
Front Filter Threads:	Yes