Hoya HMC YA3 Orange Filter for Black & White Photography 150mm Hoya then applies 16-layers of

Hoya then applies 16-layers of a Super Multi-Coating (SMC) anti-reflection formula which greatly reduces or eliminates reflections on the surface of the glass and yields a 99

Filter Factor: 2 stops Glass Type: Hoya Optical Number of Multi-Coatings: 6 layers / 3 per side Hardened Top Layer: No Anti-Static: No Frame Construction: Standard Profile / Aluminum Front Filter Threads: Yes

Filter Factor: Zero Glass Type: Hoya Optical Light Transmission: 97% Number of Multi-Coatings: 6 Layers / 3 per side Nano-Coating Technology No Hardened Top Layer: No Anti-Static: No Black Rimmed Glass Yes Frame Construction: Standard / Aluminum Front Filter Threads: Yes

These larger sizes use a slightly thicker glass to prevent flex and improve the integrity of the filter

Hoya HMC YA3 Orange Filter for Black & White Photography 150mm Hoya then applies 16-layers ofDescription The Hoya YA3 Orange filter is built for black and white photography. It increases the contrast between reds and yellows. This is especially helpful for distant outdoor shots taken with a telephoto lens. For Color Photography: While this filter was designed for black & white photography, it can be used with color film to produce specific color effects. The YA3 is particularly useful in color landscape photography. HOYA Multi Coat (HMC)