This is used by attaching between canera body and lens of the 35mm single-lens reflex camera, it comes as a set of 3 tubes of different lengths which singly or in combination makes it useable in 7 different lengths,it couples perfectly with the camera's automatic diaphragm,with cameras of TTL,AE (Through-the lens,Automatic,Exposure)type it gives perfect coupling expect when combined with electronic flash AE unit. the imagic magnification ratio becomes smaller as the focal length of master lens becomes longer and the larger as the focal length becomes shorter .
- Compatible with :Nikon D80 D90 D300 D300S D600 D800 D3100D3200 D3200 D5000 D51000 D5200 D7000 D7100 etc camera and Nikon SLR and Nikkor AF, AF-S, D, G and VR lens series Cameras
- It moves the lens farther from the film or digital sensor. The farther away the lens is, the closer the focus, the greater the magnification
- Configuration:Engineering plastics material + metal bayonet,seven kinds of combinations, seven kinds of magnifications,Perfect for macro shooting
- Macro extension tube can be used alone or in superimposed，When using the extension tubes alone (10mm or 20mm or 36mm ) or combination (10mm+20+36mm=66mm),support AF(Auto-Focus), AF Motor Protection: while using 3 rings together, we suggest you to use manual focus or Increase the lens focal lengths for it's a little bit difficult to auto-focus with 3 rings together, and also protecting your lens motor