Since the magnification changes according to the focal length of the lens, you can easily make close-up shots of small subjects. It enables you to use all shooting modes of the camera, exposure compensation is required.
Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance. Getting closer has the effect of magnifying your subject while maintaining its original optical quality.
It is mount lens to shoot at closer distance with higher magnification. The set of adapters consists of 2 rings of different lengths which can be single used or be used in combination.
When using the extension tubes alone: 10mm or 16mm, or use them in combination : 10mm+16mm=26mm, the focal length of lens should be greater than the length of the tube.
This extension tube is designed for macro shooting, it is made of qualified ABS and aluminum alloy, and copper contact. It perfect matches with single lens reflex camera, and support automatic focus.