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 red 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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Bioluminous Front Lens Cap for Canon EF 400mm f/4 DO (Red 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 red 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.
More DetailsSpecial Order
Expected availability: 4-6 Weeks
Compatibility
Bioluminous LCCEF400DO Overview
Bioluminous LCCEF400DO Reviews
See any errors on this page?
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