- Description
 - Specifications
 - REVIEWS
 
                     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 isn’t effective because of the direction of the sun
                     Specifications                                       
                   | Filter Factor: | 2.5 | 
| Glass Type: | Hoya Optical | 
| Light Transmission: | 0 | 
| Number of Multi-Coatings: | single coating per side | 
| Hardened Top Layer: | No | 
| Anti-Static: | No | 
| Frame Construction: | Standard Profile / Aluminum | 
| Front Filter Threads: | Yes | 
REVIEWS