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Canon EOS Fit Reversing Ring 67mm
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This is a reversing ring for a Canon EOS lens mount with a 67mm filter thread.
This reversing ring allows the photographer to fit a lens with a 67mm filter thread (of any brand) onto a Canon EOS mount camera.
One side of the ring has the fitting for the lens mount
The other side has a 67mm filter thread to attach to the lens.
Fitting a lens reversed onto the camera will often turn it into an effective macro lens. The effect will vary from lens to lens. Since the lens is fitted reversed, there will be no control of the lens from the camera. It is important that a lens is used where the aperture can be controlled manually. Older lenses are often ideal for this use as they usually have an adjustable aperture ring.
As the lens attaches using the filter ring, it is easy to mount any brand lens this way.
Note - the sample images shown here are from Nikon lenses fitted to a Nikon camera.
The toy train image is shown with the lens fitted normally at the closest focus distance and then with the lens fitted reversed (lens used Nikkor 28-200mm zoom).
The Spaceship model is shown with the lens fitted normally at the closest focus distance and then with the lens fitted reversed (lens used Nikkor 50mm F1.8).
This is an inexpensive way to try out macro photography and often a great way to make use of your older manual lenses.