MEKE Meike MK-S-AF1-B Macro Auto Focus AF Extension tube Ring Plastic for Sony Alpha A57 A200 A300 A330 A350 A500 A550 A850 A900
MK-S-AF1-B Standard version extension tube set
Professional extension tube set, design for Sony α DSLR.
Support AF(Auto-Focus), AF Motor Protection: while using 3 rings together, we suggest you to use manual focus for it's a little bit difficult to auto-focus with 3 rings together, and also protecting your lens motor.
Configuration：Engineering plastics material + Engineering plastic bayonet, it’s feature is budget and durable.
Length:12mm+20mm+36mm, seven kinds of combinations, seven kinds of magnifications
Moves lens from film or digital sensor
Closer focus is greater magnification
Extension tube does not affect image quality as there is no optics inside
In comparison, close up filter is often blamed for degrading quality of image
This tube set contains three piece tubes of various lengths such as 13/20/36mm, which can be used individually or in any combination to obtain the desired magnification, total 7 various lengths
These extension tubes are designed with all the circuitry and mechanical coupling to maintain auto focus and TTL auto exposure with most Sony lenses, given there is enough light to activate the cameras AF system properly
Compatible with all for Sony DSLR cameras