Metabones Canon to Sony

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Metabones Canon EF to Sony E Smart Adapter Mk IV

Why Metabones? 
Since its inception, Metabones has been designing and manufacturing lens adapters recognized among professionals and enthusiasts as leaders in design and workmanship. Contrary to the popular trend of other factories using an aluminum ring painted black on the camera-body-side, they instead take no short-cut but use precision-machined brass with chromium plating on both the camera-body and the lens sides of their 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. Metabones new Smart AdapterTM series of products add industry-leading electronic interfacing technology from Canada, with true electronic control of the lens’ aperture directly from the camera body.

• Both camera-side and lens-side of the adapter are made of brass, precision-machined and plated with chromium.
• Satin surface finish – just like your OEM lens and camera mounts.
• Precise fit and solid connection – lens has no play, gap or wiggling when m

This Smart Adapter 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.
• Flocking material coating inside the inner hole to reduce the internal reflection.

Enhancement on new MARK IV (MB_EF-E-BT4) vs. old MARK IV (MB_EF-E-BM4): 
• The inner hole is painted with flocking material coating. This can further reduce the internal reflection. 

• EF lenses (see below for list of tested lenses)
• EF-S lenses
• Image stabilization (IS) lens
• Electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)
• EXIF (focal length, aperture, zoom range)
• P, A, S, M exposure modes
• Autofocus
• Distance and zoom display on VG and FS series camcorders
• Auto magnify
• Contax N mount lenses modified to Canon EF by Conurus
• Contax 645 NAM-1 adapter modified to Canon EF by Conurus
• Sigma, Tamron and Tokina lenses in Canon EF mount

Not supported 
• Lens correction such as peripheral shading, CA and distortion
• Focus confirmation “chip” (e.g. Dandelion)
• Stacking another lens mount adapter on top
• Lens: Tamron SP 17-50mm F/2.8 XR Di II VC

Tested Camera Bodies 
• A7S (Mark IV supports auto “APS-C Size Capture” with EF-S lens) – Smart Adapter with firmware V0.32 or later
• A7R (Mark IV supports auto “APS-C Size Capture” with EF-S lens)
• A7 (Mark IV supports auto “APS-C Size Capture” with EF-S lens)
• PXW-FS7(autofocus works only in photo mode, but is disabled in movie capture mode) – Smart Adapter with firmware V0.40 or later
• NEX-FS700 (autofocus works only in photo mode, but is disabled in movie capture mode)
• NEX-FS100 (autofocus works only in photo mode, but is disabled in movie capture mode)
• NEX-EA50
• NEX-VG900 (Mark IV supports auto “APS-C Size Capture” with EF-S lens)
• NEX-VG30
• NEX-VG20
• NEX-VG10
• NEX-7
• NEX-6
• NEX-5R
• NEX-5N
• NEX-5
• NEX-C3
• NEX-3
• NEX-A6000

Tested Lenses 
The following lenses have been tested for autofocus operation. Minimum firmware version required shown in parenthesis.
Canon EF primes 
• EF 14/2.8L II USM
• EF 24/1.4L II USM
• EF 24/2.8 IS USM
• EF 35/1.4L USM (Ver.19)
• EF 50/1.2L USM
• EF 85/1.2L II USM
• EF 85/1.8 USM (Ver.18)
• EF 100/2.8 USM macro (Ver.17)
• EF 135/2L USM (Ver.17)
• EF 200/2.8L II USM (Ver.17)
• EF 300/2.8L IS USM
• Extender EF 1.4x III
• Extender EF 2x (mark I)

Canon EF zooms 
• EF 8-15/4L USM fisheye
• EF 17-40/4L USM
• EF 20-35/2.8L (Ver.18)
• EF 22-55/4-5.6 USM
• EF 24-70/2.8L USM II
• EF 28-80/3.5-5.6 II (Ver.18)
• EF 28-90/4-5.6 III
• EF 35-350/3.5-5.6L (Ver.18)
• EF 70-200/2.8L IS USM II
• EF 70-200/4L USM
• EF 70-200/4L IS USM
• EF 70-300/4-5.6L IS USM
• EF 70-300/4-5.6 IS USM
• EF 100-300/5.6 (non-L, not USM, push-pull zoom) (Ver.18)
• EF 100-400/4.5-5.6L IS USM

Canon EF-S 
• EF-S 10-22/3.5-4.5 USM
• EF-S 17-55/2.8 IS USM
• EF-S 17-85/4-5.6 IS USM
• EF-S 18-55/3.5-5.6
• EF-S 18-55/3.5-5.6 IS
• EF-S 18-135/3.5-5.6 IS
• EF-S 60/2.8 macro USM

Sigma DC 
• 17-70/2.8-4 DC OS HSM (Ver.15)
• 30/1.4 DC HSM old version (Ver.18)

• SP 24-70/2.8 Di VC USD A007 (Ver.15)
• SP 70-200/2.8 Di VC USD A009 (Ver.31)

Tokina (full frame) 
• 28-80/3.5-5.6 (Ver.18)


• Sigma 17-70/2.8-4 OS HSM may occasionally run into a focus accuracy issue at the telephoto end.

Manual Focus Only 
The following lenses have been tested with previous firmware versions with manual focus, aperture control, image stabilization (if applicable) and EXIF support.

Canon EF primes (Manual Focus) 
• EF 14/2.8L (mark I)
• EF 20/2.8 USM
• EF 24/1.4L USM (mark I)
• EF 24/2.8 (old version, non-IS)
• TS-E 24/3.5L
• TS-E 45/2.8
• EF 50/1.4 USM
• EF 50/1.8 II
• MP-E 65/2.8 macro
• EF 85/1.2L (mark I)
• EF 400/5.6L USM

Canon EF zooms (Manual Focus) 
• EF 24-70/2.8L (mark I)
• EF 24-105/4L IS USM
• EF 28-70/3.5-4.5 II
• EF 35-80/4-5.6.

Sigma (full frame) 
• 24-70/2.8 Ex HSM
• 24-70/2.8 Ex DG HSM
• 50/1.4 DG HSM (Ver.17)
• 50/2.8 DG Macro
• 70-200/2.8 Ex DG Macro HSM 100-300/4

Sigma DC (Manual Focus) 
• 12-24/4.5-5.6 Ex ASPH
• 17-35/2.8-4 Ex HSM ASPH
• 18-125/3.5-5.6 DC OS HSM
• 30/1.4 Ex DC HSM new version (Ver.17).

Tamron (Manual Focus) 
• 18-270/4.5-6.3 VC
• SP 28-75/2.8
• SP 70-200/2.8 Di LD A001.

• AT-x PRO 28-70/2.8

Zeiss ZE 
• ZE Distagon 15/2.8
• ZE Distagon 21/2.8
• ZE Distagon 35/2
• ZE Makro-Planar 50/2
• ZE Makro-Planar 100/2

This Smart Adapter is also compatible with fully manual lenses which have no electrical contacts. Customers have reported success with the following fully manual lenses.
• Samyang 35/1.4
• Zeiss CP.2 25mm/T2.9
• Zeiss CP.2 100mm/T2.1

Autofocus is supported, with the following known limitations.
• Autofocus speed is very slow and inadequate for most moving subjects. The autofocus speed is unfit for professional use for sure and it would disappoint most enthusiasts.
• Only Canon-branded lenses introduced in or after 2006 are officially supported. Autofocus may be disabled for older Canon lenses and most third-party lenses, including most Sigma, Tamron and Tokina lenses and all Contax N lenses modified by Conurus.
• On NEX camera bodies in camcorder form factor (e.g. FS series), autofocus may be available only in photo mode but not in movie capture mode.
• Continuous AF is not supported.
• DMF mode (direct manual focus) is not supported.
• For non-camcorder camera bodies (e.g. NEX-7), during movie capture, if the subject moves to a different distance, half-press the shutter release button to re-activate autofocus and lock onto the subject again. Since autofocus speed is slow, there may be visible disruption in the resulting footage.
• 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 they 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.

Additional information

Weight 1 lbs
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