Xit XTETN camera lens adapter

Pro Series Auto Focus Macro Extension Tube Set - Nikon - Designed to enable a lens to focus closer than its normal set minimum focusing distance.
- Magnifying your subject (making it appear larger in the viewfinder and in your pictures).
- Designed with all the circuitry and mechanical coupling to maintain auto focus and TTL auto exposure with most Nikon mount lenses.
- Lightweight design.
- Tubes can be used individually or in any combination to obtain the desired magnification.