Canon

Canon 4416B001 E-145C Lens Cap for EF 300mm

Protect Your Lens with the Canon Lens Cap E-145C Keep your valuable lens safe with the Canon Lens Cap E-145C. Designed specifically for the EF 300mm f/2.8 L-IS II Lens, this lens cap provides essential protection against dust, scratches, and accidental damage. Specifications: Compatibility:...

$89.95*
Check availability

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Protect Your Lens with the Canon Lens Cap E-145C

Keep your valuable lens safe with the Canon Lens Cap E-145C. Designed specifically for the EF 300mm f/2.8 L-IS II Lens, this lens cap provides essential protection against dust, scratches, and accidental damage.

Specifications:

  • Compatibility: EF 300mm f/2.8 L-IS II Lens

Key Features

Compatibility: Canon

Specifications

Brand
Canon
Model Number
4416B001
Product Type
Lens Cap
Compatibility
Canon EF 300mm

Pros & Cons

👍 Pros

  • Specifically designed for the Canon EF 300mm lens, ensuring a perfect fit and secure attachment.
  • Helps protect the front element of the lens from dust, scratches, and minor impacts when not in use.
  • A genuine Canon accessory, implying optimal compatibility and adherence to manufacturer standards.
  • Easy to attach and remove, providing convenient protection for your valuable lens.
  • Can contribute to maintaining the resale value of your Canon EF 300mm lens by protecting its front element.

👎 Cons

  • This lens cap is exclusively compatible with the Canon EF 300mm lens, making it unsuitable for other lens models.
  • The product description lacks specific details about the material composition, which might be a concern for some users regarding durability.
  • As a single-purpose item, its utility is limited solely to protecting the lens when not actively shooting.
  • It does not offer protection against moisture or extreme weather conditions beyond simple dust and splash resistance.
  • There is no mention of a retention cord or mechanism, which means it could be easily misplaced if not carefully managed.

Frequently Asked Questions

This lens cap is specifically designed for compatibility with the Canon EF 300mm lens.
The primary function of this lens cap is to protect the front element of your Canon EF 300mm lens from dust, scratches, and minor impacts when the lens is not in use.
Yes, the 4416B001 E-145C is a Canon-branded lens cap, ensuring it meets the manufacturer's specifications for fit and quality.
No, this lens cap is specifically stated to be for the Canon EF 300mm lens, suggesting it may not fit other lenses even if their front element appears similar in size.
The provided information indicates it offers protection against physical elements like dust and scratches; it does not specify weather-sealing capabilities.