Description
Viltrox EF-E Booster series can allow most of the lens to be used E-mount camera bodies mostly Sony’s.
Thanks to the built-in optical lens (4 elements / 4 groups), it can increase the aperture by one f/stop and extend the focal length. Allowing you to get in the larger area of light and achieve the depth of field that you prefer.
EF-E (the one used for Canon EF lens) is Auto Focus which can’t be retained in the other models in this series.
Viltrox f/Booster are quality made using precision-machined aluminium alloy with chromium plating on both of the camera body and the lens side of the booster to ensure smooth and endurable mounting, quality aesthetic.
Please notice : It works with the Canon EF mount lens only , NOT EF-S mount , and if your camera is full frame camera , please set it as “APS-C” before use it .
Specifications:
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Lens mount: Canon EF lens
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Magnification: 0.71x
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Aperture: to be increased by one f/stop
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Tripod mount: removable
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Optical construction: 4 elements / 4 groups
Notes:
It is not suitable for Full Frame E mount cameras (e.g. A7 series) and NEX video camcorders.
Focusing is not as good as Canon EF lens in EOS cameras and Sony E lens in NEX cameras because of different focusing systems between Canon and Sony cameras.
Settings:
Put red marks of the adapter and lens collar together.
Turn the adapter anticlockwise till the fixative click.
mosty it will use Manual or Av mode.
Removing:
To remove the adapter you should unpress fixative pin and turn the adapter clockwise.