Features: 
<br />a. Allow Tamron Adaptall II Lens to be used on Canon EOS Camera body
<br />b. Enabling you to use irreplaceable prime lens and saves you the cost of purchasing new lenses
<br />c. Not focus to infinity 
<br />d. Diaphragm control of the lens is set manually 
<br />e. Compatible Cameras (including, but not limited to): Canon EOS 6D 5D Mark III II 7D 60D 50D 40D 700D 650D 600D 550D 500D 450D 400D 350D Rebel T5i T4i T4 T3i T3 T2i T2 etc, not fit Tamron AF Lens
<br />f. Material: Brass& Aluminum
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<br />Note:
<br />a. With this adapter ring, automatic diaphragm, auto-focusing, or any other function will not work. You can shoot with manual mode with Camera
<br />b. If your camera indicated "lens is not properly installed", please modify the camera menu settings. Usually called the "release the shutter the lens is not installed", you can modify the settings to allow. Specifically refer to the camera manual 
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<br />ATTENTION: If you are not sure whether our product is fit to your camera, please feel free to contact us. 
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<br />Package Contents: 
<br />1 * K&F Concept Lens Mount Adapter Ring for Tamron Adaptall II Lens to Canon EOS Camera ( TAMRON to EOS)  
<br />1 * Cleaning Cloth (Different color shipped at random)