Nikon D3100 2x Teleconverter (4 Elements) + Nwv Direct Microfiber Cleaning Cloth.[Product Information]- Enter your model numberto make sure this fits.
- Doubles focal length of lenses (NOTE: NIKKOR lenses designated as G AFS will autofocus. NIKKOR lenses designated as G will NOT autofocus. All other NIKKOR lenses - AF， AF-D， AFS， etc - will autofocus.)
