OPTI Effect Cassette Sizes
OPTI Effect Cassettes are available in two formats 3 inch and 50mm. Both combine two pieces of printed glass, one static and the other rotating to create image movement.
OPTI 3 inch Effect Cassettes are used with the Solar 3 inch Effect Cassette Rotator (FG6320). The OPTI 3 inch Effect Cassette Rotator fits directly into OPTI Solar and K projectors like the OPTI Solar 250. For either the GoBoPro or  GoBoShow you will need a Solar Gate Adaptor (GS6319). OPTI 50mm Effect Cassettes are gear driven and are used with either 50mm Effect Cassette Rotators (GS6391) or with Four 50mm Effect Cassette Autochangers (Solar - FG6386; GoBoRange - GS6386) which may be operated remotely by infrared or via DMX.

To order 50mm Effect Cassettes prefix codes ‘GS’.
For 3 inch Effect Cassettes prefix codes ‘FG’.

OPTI Multi Coloured Effect Cassettes

OPTI Multi Coloured Effect Cassettes create fantastic multicoloured 'moiré' effects. For an idea of what these effects look like when projected click on the design for an animation.

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Optikinetics 6" Effect Wheels