The Kenko Auto Macro Extension Tube For Canon

the Kenko macro automatic extension tube set DG

Canon EOS-compatible

the Kenko Teleplus Auto extension tube Set

set of extension tubes to focus closer than the normal minimum focusing distance of a lens is designed to enable. Get closer to your object has the effect of enlarging (makes it appear larger in the viewfinder and in your images). Almost all of the lenses while maintaining the original image quality to make it into a macro lens at a fraction of the cost, which allows for macro photography they are extremely useful.

there is optical extension tubes DG. To create more distance between lens and film plane between the lens with the camera body they are mounted. The CCD sensor or film in the camera when you take his father away from the lens, the lens is forced to focus more than normal. The longer the length of the extension tube, the lens can focus on so much.

The Kenko DG AUTO extension tube set, 12 mm, 20 mm, and 36 mm), contains three tubes of different lengths; these can be used individually or in any combination to obtain the desired magnification. The Kenko 12 mm or 25 mm size brochure which can also be purchased separately it is.

Kenko auto focus extension tubes, there is enough light to activate the cameras AF system properly because most of Canon, Nikon and all auto focus and TTL auto exposure with Minolta lenses is designed to protect circuitry and mechanical coupling together.

Please keep in mind;

1. When using extension tubes, the lens does not focus to Infinity. The focal range will be limited largely to very close focusing distance.
2. The fall light when using any extension tube, sometimes more than one when used in conjunction with extension pipe 3 F-stops of light is lost equivalent. This Lost Light may affect the camera's ability to auto focus. The lens "hunting" if it's started (the object, if it fails to lock on to) manual focus is recommended. ~
Specifications:


Extension: 36mm, 20mm, 12mm or any combination
dimensions (length x Width): 36mm / 1.42 inch 20mm / 0.8 inch, 12mm / 0.5 inch x 62mm / 2.4 inches.
Weight: 125g / 4.4 oz, 85g / 3oz, 60g / 2,1 oz respectively (36mm, 20mm, 12mm)
available mount: Canon,
notes: fully automatic aperture and metering for exposure dubbed; includes front and rear caps