Nikon BF-3B Front Lens Cap

• Replacement for BF-3A Front Mount Cap
• Protects From Liquids, Dirt, Scratches
• Seals Teleconverter To Prevent Damage

The Nikon Front Lens Cap replaces the BF-3A. It is a protective cap that goes on the front of your teleconverter. A tight seal, thanks to the bayonet lock, prevents liquids, dust, and dirt from ruining your teleconverter. This cap is compatible with the TC-14E II, TC-17E II, TC-20E II, and TC-20E III teleconverters.