MEIKE N-AF1-A Macro Electronic Mount Auto Foucs Macro Metal Extension Tube Adapter for Nikon DSLR Camera D80 D90 D300 D300SD800 D3100 D3200 D5000 D5100 D5200 D7000 D7100 etc
Brand: Meike
Color: MK-N-AF1-A

Description
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 .
also,the distance to the subject becomes further away as the focal length of master lens becomes
longer and closer when it becomes shorter.In close-up shooting,
as the subject's depth of field becomes shallow,never forget to stop down the lens.
take care that when image magnification ratio increases camera s
hake is also liable to increase.(the use of tripod and cable release is advisable.)
Its dim ensines are:
Tube diameter:ab.62mm
Tube lengths:12mm+20mm+36mm
Package
1*12mm+20mm+36mm 1*Manual

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
Meike MK-N-AF1-A Tube diameter : ab.62mm. Tube Lengths: (1) 12mm.(2) 20mm.(3)36mm
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