Nikon BF-3B Front Lens Cap for SLR F Teleconverters The BF-3B is a Front Lens Cap for the NIKKOR Teleconverters. It will protect the Teleconverter from dust, smudges and scratches when not in use.
Nikon BF-N2 Front Lens Cap for Mirrorless Z Teleconverters Lens cap for Nikon Z teleconverters. Protects the front element of your Z Teleconverter from dust, smudges, and dirt when it’s not in use.
