Quick Answer: The Mounted Colour Filter Set - Pack of 6 contains three primary and three secondary acetate filters in 50 mm x 50 mm plastic frames, suitable for use in optical boxes.
Last updated: October 2026
Key Features
Primary filters: red, blue and dark green
Secondary filters: magenta, yellow and peacock-blue
Acetate film mounted in 50 mm x 50 mm plastic frames
Acetate is more robust than gelatine for general use
Not suitable for photographic work
Technical Specifications
Specification
Value
Filters
Three primary, three secondary
Material
Acetate
Frame
Plastic, 50mm x 50mm
About This Product
The framed filters fit optical boxes and similar apparatus for colour work. Being acetate rather than gelatine, they are more robust for general use, although they are not suitable for photographic work. Export supply of the Mounted Colour Filter Set - Pack of 6 can be arranged to laboratories and schools in Mali, Libya, Belarus, Somalia and Croatia.
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