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Viltrox EF-R3 0.71 Speed Booster Adapter for Canon EF-Mount Lens to Canon RF-Mount Camera

BH #VIEFR3 • MFR #EF-R3
Viltrox EF-R3 0.71 Speed Booster Adapter for Canon EF-Mount Lens to Canon RF-Mount Camera
Key Features
  • Canon EF Lens to Canon RF Camera Body
  • Maintains Autofocus, Image Stabilization
  • 0.71x Optical Multiplier
  • Supports Exif Data Transfer
This EF-R3 0.71 Speed Booster Adapter from Viltrox allows a Canon EF-mount lens to be used on a Canon RF-mount camera body and select cine bodies. A 0.71x optical multiplier is built into the unit, and electronic communication between the camera and lens is supported, enabling autofocus, image stabilization, and Exif data transfer. With some lenses, maximum focusing range maybe affected as the distance from the lens to the camera's sensor is slightly changed, and there is a 1-stop increase for the camera over the lens's aperture range. Additionally, the functions of some lenses are not fully available depending on the camera body. A micro-USB Port is provided for firmware upgrades, and the adapter features a removable foot with a 1/4"-20 tripod socket for easy mounting.
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Viltrox EF-R3 Overview

This EF-R3 0.71 Speed Booster Adapter from Viltrox allows a Canon EF-mount lens to be used on a Canon RF-mount camera body and select cine bodies. A 0.71x optical multiplier is built into the unit, and electronic communication between the camera and lens is supported, enabling autofocus, image stabilization, and Exif data transfer. With some lenses, maximum focusing range maybe affected as the distance from the lens to the camera's sensor is slightly changed, and there is a 1-stop increase for the camera over the lens's aperture range. Additionally, the functions of some lenses are not fully available depending on the camera body. A micro-USB Port is provided for firmware upgrades, and the adapter features a removable foot with a 1/4"-20 tripod socket for easy mounting.

Compatible RF-Mount Cine Cameras
  • EOS C70
  • Red Komodo 6K

Viltrox EF-R3 Specs

Adapter
Camera MountCanon RF
Lens MountCanon EF
Magnification0.71x
Optical Design4 Elements in 4 Groups
Electronic CommunicationYes
DisplayNo
Physical
Tripod Mounting Thread1/4"-20 Female
Dimensionsø: 28.3 x H: 32.3 x W: 11.0" / ø: 72.0 x H: 82.0 x W: 28.0 cm
Weight7.4 oz / 209 g
Packaging Info
Package Weight0.74 lb
Box Dimensions (LxWxH)4.4 x 4.1 x 2.5"

Viltrox EF-R3 Reviews

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