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☆ This Extension Tube set provides 3 extension tubes that can be added between the camera and the lens, to make the lens focus at closer distances and produce higher magnification. Extension tubes are metal tubes with a rear-lens mount at one end and a camera-body mount at the other end.
☆ This Extension tube set does not affect image quality as there is no optics inside. In comparison, a close up filters are often blamed for degrading image quality. It moves the lens farther from the film or digital sensor
Note: There are no electrical contacts in the extension tubes. Exposure and focus have to be adjusted manually. Aperture control is not available if you use a lens which does not allow you to manually adjust the aperture (Without an aperture ring).