Cheap ring rabbit, Buy Quality ring directly from China ring bead Suppliers: Auto focus Focal Reducer Speed Booster adapter ring for EF lens to E mount A7 A7s A6000 A3000 3N 6 5R 5T cameraAvailability:In stock Add to cart Add to Wishlist
Viltrox f/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 Ca non 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.
With optical lens provided by our Japanese partner and a surprisingly attractive price, it is surely a smart choice to choose Viltrox f/Booster.
Lens mount: Ca non EF lens
Aperture: to be increased by one f/stop
Tripod mount: removable
Optical construction: 4 elements / 4 groups
It is not suitable for Full Frame E mount cameras (e.g. A7 series) and NEX video camcorders.
Focusing is not as good as Ca n on EF lens in EF cameras and E mount lens in NEX cameras because of different focusing systems between Ca non and S o ny cameras.
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.
To remove the adapter you should unpress fixative pin and turn the adapter clockwise.
Viltrox EF-E mount f/Booster x 1
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|Package Weight||0.35kg (0.77lb.)|
|Package Size||15cm x 12cm x 12cm (5.91in x 4.72in x 4.72in)|