Metabones Canon EF Lens to Sony E Mount T Smart Adapter (Mark IV)

Metabones Canon EF Lens to Sony E Mount T Smart Adapter (Mark IV)

Metabones
SKU:
MB_EF-E-BT4
£396.00 (Inc. VAT)
£330.00 (Ex. VAT)
Current Stock:
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The Metabones MKIV Smart Adapter enables the use of Canon EF lenses on Micro Four Thirds mount compact system cameras. Metabones adapters utilise chromium-plated brass rather than aluminium couplings in order to ensure a precise fit. The adapter is electrically integrated and capable of automatic aperture control, recognising EXIF data, image stabilisation and autofocus.

This Smart AdapterTM has the following 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.

Enhancement on MARK IV vs. MARK III:

  • The new design of inner housing in MARK IV has a bigger inner hole. Improving the Tilt shift lens performance.
  • The inner hole is painted with mat coating. This can further reduce the internal reflection.

 

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Autofocus

  • Fast phase-detect AF is available only on A7RII. on other Sony cameras, contrast-detect AF with an EF mount lens is disappointingly slow and inadequate for all but static subjects,
  • Even on A7RII, long telephoto lenses hunt more often and autofocus performance progressively deteriorates as focal length gets longer.
  • A7RII supports only contrast-detect AF during video recording. This means video AF speed may be unsatisfactory.
  • During movie capture, autofocus needs to be manually activiated by half-pressing the shutter release button if subject moves to a different distance. Since contrast-detect autofocus speed is slow, there may be visible disruption in the resulting footage.
  • With PXW-FS7, NEX-FS700 and NEX-FS100, autofocus works only in photo mode but disabled in movie capture mode.
  • Continuous AF is not supported. (Does not work with contrast-detect AF and may have unsatisfactory performance with phase-detect AF of A7RII.)
  • Eye AF is not supported.
  • DMF mode (direct manual focus) is not supported.
  • The first two autofocus attempts are used to calibrate the lens and as a result may not lock successfully on the target. Half-press the shutter release button again and autofocus will lock successfully.
  • Autofocus may have difficultly locking onto subjects which are very close to the nearest focusing distance of the lens.
  • Autofocus accuracy depends heavily on the working condition of the lens. Lenses with hidden problems which may not be apparent on Canon DSLRs will lead to inaccurate and unreliable autofocus on Sony NEX. Typical problems of this kind that we have seen include an unsmooth/erratic autofocus mechanism (e.g. getting stuck intermittently at a certain focusing distance), a faulty/worn-out distance encoder or other faulty/worn-out internal sensors.

 
Other

  • No support for lens corrections such as peripheral shading, CA and distortion.

 
  Metabones have listed on their website what exactly these adapters have been tested with.

Please see the Specifications details there.