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Viltrox EF-E II Lens Adapter Ring Auto Focus Reducer Speed Booster for Sony E-mount(APS-C) Series Cameras and Canon EF EOS Lens
Viltrox EF-E II Electronic Adapter (F Booster) is the 2nd generation Auto Focus Reducer Speed Booster Lens Adapter.
The EF-E II adapter can allow you to intall Canon EF mount lenses on Sony E mount APS-C camera perfectly.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 II comes with USB port for firmware update and and a switch to select CDAF or PDAF focus model.
Feature:
With auto focusing function
Suppot CDAF and PDAF focus model
Can increase the lens 3 f-stop, increasing the amount of light into the virtual background, can better highlight the theme
Reduced imaging focal length, the actual focal length after using EF-E for 0.71 times the focal length
Let half frame cameras can take photos as full frame cameras
Aperture can be accurate through ring expansion corresponding action
Zinc alloy technology, stable and reliable
Signal transmission using PIN gold needle, greatly enhance its transmission performance
Ring at the bottom with 1/4 screws, which can easy installed on the tripod or other fixed bracket
Upgraded Function(Comparison with EF-E I):
1.Two Auto Focus model :
a) PDAF(phase detection auto focus): Focus speed is faster.
b) CDAF (contrast detection auto focus):Focus success rate is higher
2.Firmware upgrade can be operated via the USB port.
3.Support more Canon lenses and Sony E mount cameras
Notice:
1.To update adapter firmware, latest firmware can be download from official website, connect adapter to computer with USB cable and copy the file into adapter memory. Do not required to attach lens or camera.
2.To change AF mode, switch to desired AF mode on adapter, then turn off camera, take out battery, insert battery and turn camera back on again for camera to recognize new AF mode as a new lens. Slow focus will happen on low end lenses in CDAF mode.
3.VG series does not support AF.
Specifications:
Optical configuration: 4 elements 4 groups
Focus length multiplier: 0.71
Tripod socket: Cu 1/4” * 1
Max. diameter and length: 71 * 83mm / 2.8 * 3.3in
Product size: 8 * 6.5 * 4cm / 3.1 * 2.6 * 1.6in
Product weight: 202g / 7.1oz
Package size: 10 * 9 * 6cm / 3.9 * 3.5 * 2.4inPackage size: 10 * 9 * 6cm / 3.9 * 3.5 * 2.4in
Package weight: 307g / 10.9oz
Notes:
-This Speed Booster adapter is NOT fully compatible with full-frame Sony A7, A7R and A7S. When the Speed Booster are used with Sony A7, A7R or A7S the camera is required to be used in the "APS-C Size Capture" mode.
-It cannot be used in EF-S lens.
Package List:
1 x Viltrox EF-E II adapter
1 x Tripod Mount Knob
1 x Front Cover
1 x Rear Cover
Suitable for:
Compatible lens: Canon EF series lens (include Tamron，Sigma,Tokina，Zeiss etc EF mount lens), don't suit for EF-S lens
