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Bioluminous Front Lens Cap for Canon EF 400mm f/4 DO (Black and Black)
Key Features
- Wide, Spring-Loaded Grips
- Use with or without Gloves
- Heat-Resistant Polymer Construction
- Stainless-Steel Hardware
Made of premium high-strength, heat-resistant polymer with stainless steel hardware, this Front Lens Cap from Bioluminous is a snap-on black lens cap with black locking grips made specifically for the Canon EF 400mm f/4 lens SO (Diffraction Optics). The lens cap construction is rugged and durable, and the spring-loaded release tabs are designed to be large enough so that you mount and remove the lens cap while wearing gloves. The cap is a snug fit on your lens and can be mounted on the lens without, or with the lens hood attached, even if the hood is attached reversed.
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Compatibility
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Is this for the first or second version of the EF ...
Is this for the first or second version of the EF 400mm f/4 DO?
The Bioluminous Front Lens Cap for Canon EF 400mm f/4 DO (Black and Black) is compatible with both the Mark 1 and Mark 2 versions of the lens.
Date published: 2025-06-12