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The A Series Graduated Cool Blue 0.6 to 0.3 Filter is a filter designed for use with a Kood A Series or Cokin A Series Filter Holder. Its graduated, edge-to-edge coloration can be used to create an intentional blue effect, which features gradation, over an entire image. The filter is densest at one edge with up to a 0.6 density that tapers to approximately a 0.3 density at the other edge. This filter's 0.6 to 0.3 density range corresponds to a reduction of light from entering a lens by two stops to one stop.
This filter is made of durable, optical resin (CR39) and measures 2mm thick.
Edge-to-edge, graduated blue coloration with a 0.6 to 0.3 density range
Can create an intentional blue effect, which features gradation, over an entire image
0.6 to 0.3 density corresponds to a 4x to 2x filter factor that provides a two-stop to one-stop reduction of light
Constructed from optical resin (CR39) for clarity and durability
In the Box
Kood A Series Graduated Cool Blue 0.6 to 0.3 Filter (2 to 1-Stop)