MEIKE Metal Mount Auto Focus Macro Extension Tube For NIKON

Meike Auto Focus Macro Extension Tube For Nikon AF AF-S with Metal Mount
Introduction:
The AF Extension Tube Set can transform your Lens into a Macro Lens. It moves the lens from the film or digital sensor. The closer the focus is, the greater the magnification. The extension tube does not affect image quality as there is no optics inside. In comparison, a close up filter is often blamed for degrading the quality of image.

This is used by attaching between camera body and lens of the 35mm single-lens reflex camera.It comes as a set of tube of different lengths which singly or in combination makes it usable in 7 different lengths.

It couples perfectly with the camera's automatic diaphragm. With cameras of TTL, AE(Through-the-lens,Atuomatic Exposure) type it gives perfect coupling except when combined with electronic flash AE unit.
Auto Extension Tubes are compatible with Nikkor AF, AF-S, D, G and VR lens series
It's dim ensions are:
Tube diameter : ab.69mm.
Tube Lengths: (1) 12mm.(2) 20mm.(3)36mm.
This extension tube consists of 5 parts:
12mm tube 
20mm tube
36mm tube
Front Cap
Rear Cap
The more tubes you add, the closer the focus and the greater the magnification.
Material: Brass Chromed mount + ABS(Acrylonitrile Butadiene Styrene) body
color : black

Weight:300g
Package includes:
Auto Focus Macro Extension Tube Set x1
English User Manual x1
Fitting for: Nikon F mount DSLR/SLR and Lens.