gel filter

Gel filters are very common in square form, rarely being used in circular form.

Viewing anaglyphs through spectrally opposed glasses or gel filters enables each eye to see independent left and right images from within a single anaglyphic image.

The compounds can also be added to plastic (often polycarbonate or acrylic) to produce gel filters, which are lighter and cheaper than glass-based filters.

The Diana Mini En Rose package includes the Diana Flash Black with color gel filters.

The KPT Gel filter uses various paint tools to synthesize photo-realistic 3D materials such as metals, liquids, or plastics.

While some filters are still described as gelatin or gel filters, they are no longer actually made from gelatin but from one of the plastics mentioned above.

Sinar has manufactured many accessories since its establishment, including a unique swing-out filter holder that allows the photographer to use a polarizing filter as well as 4x4 inch gel filters.

Gel holders are available from all of the square "system" makers, but are additionally provided by many camera manufacturers, by manufacturers of gel filters, and by makers of expensive professional camera accessories (particularly those manufacturers which target the movie and television camera markets.