Tiffen 5.65 x 5.65" 1 Red Soft-Edge Graduated Filter Canare L-4CFB 300M BLUE Ideal for use in situations

Ideal for use in situations where smoke could occur

This ERF can be used with H-alpha

Sturdy Design

This IC has two LEDs and two photodiodes built-in

UPC: 084438762976

Tiffen 5.65 x 5.65" 1 Red Soft-Edge Graduated Filter Canare L-4CFB 300M BLUE Ideal for use in situations1 Density Color Graduated Filter Red Coloring in Select Areas Soft Step Graduation ColorCore Technology The Tiffen 5. 65 x 5. 65" 1 Red Soft Edge Graduated Filter helps to specifically add a warm, bright red coloration to skies and other bright areas of an image while allowing a portion of the image to remain neutrally colored. The filter's coloring is densest at the edge and tapers to clear by the middle, with a soft edged transition between the