Hoya Blue Intensifier Filter for Sky & Seascape Photos protection Filter Factor: Zero Glass Type:

Filter Factor: Zero Glass Type: Schott B270 Light Transmission: 98

The HOYA SOFT A and B are filters with randomly arranging tiny lenses-shaped like drops of water on the surface of optical acrylic

There is also an overall softening effect throughout the entire image when using this filter

Used in place of multiple graded Neutral Density filters

The Hoya Diffuser filter gives a soft-focus effect due to the uneven surface pattern of the glass that spreads light rays traveling through your lens

Hoya Blue Intensifier Filter for Sky & Seascape Photos protection Filter Factor: Zero Glass Type:Description The Hoya Blue Field Intensifier filter enhances colors in the blue region of the spectrum without adversely affecting other colors. The Blue Field Intensifier filter is useful when: Improving brightness in seascapes In combination use with HD3 UV or HD3 Circular Polarizer to increase contrast and sharpness When a polarizing filter isnt effective because of the direction of the sun Specifications Filter Factor: 2. 5 Glass Type: Hoya Optical