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Smart Adapter Mark IV for Canon EF EF-S Mount Lens to Sony E-Mount Camera

MFR Part #: MB_EF-E-BT4
Samy's Part #: S-040337
This Item Is No Longer Available

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Contrary to the popular trend of other factories using an aluminum ring painted black on the camera-body-side, we instead take no short-cut but use precision-machined brass with chromium plating on both the camera-body and the lens sides of our adapters, in order to ensure smooth mounting, great appearance, and durability. The lens side of the adapter features a strong leaf-spring structure, strengthening the adapter-lens connection and ensuring tightness of the lens in order to reduce wear and prevent focus errors and optical alignment issues from appearing. Metabones uses matte-black treatment to keep internal reflection to a minimum in order to maintain the maximum optical quality possible with the lens. All Metabones Adapters follow this tradition of uncompromising precision, robust build quality and outstanding finish. Our new Smart Adapter series of products add industry-leading electronic interfacing technology from Canada, with true electronic control of the lens' aperture directly from the camera body.

The Metabones Smart Adapter Mark IV for Canon EF EF-S Mount Lens to Sony E-Mount Camera is used to mount Canon EF or EF-S mount lens onto Sony E-mount camera. True electronic integration of aperture diaphragm let camera automatically choose aperture in P or S exposure modes, or dial in yourself on the camera body in A or M modes. If the lens is capable of generating EXIF metadata when used with a directly compatible camera, the Smart Adapter Mark IV is designed to allow that information to be saved along with image files generated with a combination of the lens, a Sony E-mount camera, and the adapter. The adapter is designed to be powered by camera body and no external power source required. When manual focusing is preferred with a compatible electronic lens, an integrated switch can be depressed which opens the lens's aperture diaphragm to it largest setting. The resulting shallow depth-of-field can then be used to help ensure focus accuracy. The Smart Adapter Mark IV is made of aluminum alloy for durability while mounting rings are made with brass and a detachable tripod foot is included that features a 3/8" threads as well as compatibility with Arca-Swiss tripod heads. The adapter barrel features a wide internal diameter to support the movements of compatible tilt-shift lenses. The internal matte black coating minimizes the reflections within the adapter barrel, which could otherwise result in unwanted glare within the image. Canon EF-S and third-party APS-C EF lenses are designed to project an image onto sensors measuring 22.3 x 14.9mm, while Sony E-Mount APS-C cameras feature sensors that measure 23.5 x 15.6mm. The Smart Adapter Mark IV can be used to connect Canon EF or third-party "full-frame" EF-mount lenses to a Sony E-mount camera with a "full-frame" sensor without vignetting.

Features:
  • True electronic integration of aperture diaphragm - let camera automatically choose aperture in P or S exposure modes, or dial in yourself on the camera body in A or M modes.
  • Powered by camera body. No external power source required.
  • Wide open button (opposite of depth-of-field preview function) makes manual focusing easy.
  • The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo cam ball heads.
  • High performance 32-bit processor and efficient switched-mode power supply.
  • Flocking material coating inside the inner hole to reduce the internal reflection.
  • Electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)
  • Allows a Canon EF or EF-S mount lens to be used with a Sony E-mount camera
  • Aluminum-alloy components for weight reduction
  • Brass mounting rings further prevent wear-and-tear
  • Locking mechanism for secure attachment of lens with push-button release

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Lens Information
Camera Mount Canon EF or EF-S mount lens to Sony E-mount camera
Length Dimensions: 2.6 x 1.2" (6.7 x 3.1 cm)
Weight 5.3 oz (150.0 g)
  • Front Cap
  • Rear Cap
  • Tripod Foot Key
  • Limited 1-Year Warranty
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