The Canon Gelatin Filter Holder is a rear-mounted accessory designed for select Canon super-telephoto lenses equipped with drop-in filter slots. This holder accommodates user-supplied cut-to-size gelatin filters, allowing photographers to add creative filtration effects and protection to their telephoto lenses. The glass-backed design holds filters securely in place via a reliable clamping mechanism, and can accommodate up to three gel filters simultaneously for layered effects.

• Accepts up to three cut-to-size gelatin filters
• Glass-backed design for optical clarity
• Secure clamping mechanism holds filters firmly in place
• Compatible with Canon EF-mount super-telephoto lenses with drop-in filter slots
• Allows for creative colour effects and protective filtration