Buy Now . by Bryan Carnathan. The Canon EF 12mm Extension Tube II is slightly smaller than half the size of the Canon EF 25mm Extension Tube II . The 25mm review is applicable to the Canon EF 12mm Extension Tube II as well.
12-31-2022 10:35 AM. The EF12 contains contacts to allow the lens and camera to communicate. So, you should be able to set the aperture and autofocus. However, autofocusing may prove to be a little cantankerous, due to the higher resolution and control demands that will be placed on the AF motors.
Nikon doesnât make Auto Focus Extension Tube. Canon has Extension Tube EF 25 II & Extension Tube EF 12 II, but they are expensive. Among the third party manufacturerâs Kenko is the most popular. Besides there are many other brands and non-brands. Here is a comparison among Kenko, Vello and a Non-brand AF extension tube. Physical
This updated version II is now also fully compatible with Canon Digital EF-S lenses, as well as standard photo EF and TS-E lenses. Extension Tube EF 25 II is recommended for lenses with a focal length of 50mm and up (EF-S 18-55mm can be used at middle and telae zoom settings). Features. Shortens focusing distance of lens
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