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HMC - HOYA Multi Coating

HMC stands for: Hoya Multi Coating. The HMC class filters allow 97% of the incoming light to pass through the filter. A optimal combination of coatings results in a very effective and neutral transmission. This will bring you stunning bright images without unwanted colorization.

Transmission

Coatings on photographic filters have two primary goals: 1 reduce transmission of certain colors from the light spectrum (such as UV); 2 to increase the overal transmission of the filter by reducing reflection. HMC's 3 coatings on both sides of the pane enable the HMC filter to transmit 97% of all incoming light.