The K2 yellow filter is primarily used for black & white photography. The filter darkens blue skies slightly, giving clouds a little more "pop." The K2 also helps reduce the effects of atmospheric haze. Often used for subjects at intermediate distances.
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.
Built for black and white photography
All-around black and white contrast filter
Creates visible but subtle tonal separation between most colors
Useful for portraits and landscapes
Six layers of HMC multi-coating
Filter Properties at a Glance
Filter Factor: 1 stop
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