Metabones Canon EF Lens to Fuji G-mount T Smart Expander 1.26x (GFX) 富士GFX系列转佳能EF卡口适配器 1.26x 转接环 MB

Key Features

Optical

Make Canon EF mount lens to cover the Fujifilm G-mount (GFX series) camera ;
Advanced 5-element/3-group optical design incorporating ultra-high index Lanthanum-based optical glass by Caldwell Photographic in the USA ;
Magnification of lens: 1.26x *
Crop Factor with Fujifilm GFX camera: 1.0x

Electronic

Canon EF mount lens to Fujifilm G-mount camera.
Autofocus. Phase-detection autofocus (PDAF) is supported no matter which AF lens is used. Adapters support PDAF by translating pertinent metadata about the optics between the lens interfaces. In this way, broad support of the widest range of lenses is made possible.
Lens iris/aperture is set by the controls on the camera body.
Optical image stabilization (IS) lens support.
Smooth iris support with the latest Canon (2009+), Tamron (SP series 2013+) and Sigma (2016+) lens models.
Focal length and aperture are adjusted in EXIF (see note 3).
Store EXIF data (lens name, focal length and maximum/minimum aperture) for one manual lens in the adapter.
LED indicator shows communication status.
Powered by camera body. With most lenses, no external power source required.

Mechanical

The tripod foot is detachable and compatible with Arca Swiss, Markins and Photo Clam ball heads.
Flocking to reduce internal reflection.
Aluminum alloy and brass construction with chromium plating.
Satin surface finish.
Detachable Arca-Type tripod foot compatible with Arca Swiss, Markins, and Photo Clam ball heads(clamp directly or attach to quick release plate by a 1/4"-20 screw).

* Note: Aperture values decrease by 2/3 of a stop used in conjunction with this Expander.

Limitations

In some rare cases lens hoods designed for 3:2 may need to be removed for 4:3 use with Smart Expander.
Each lens needs to go through a calibration procedure <click to view> when first used. Refer to the online user manual on Metabones' web site for instructions.
Autofocus may have unsatisfactory performance and may not work at all with some lenses
For video autofocus, increasing FOCUS SENSITIVITY and decreasing AF SPEED are required under the AF-C CUSTOM SETTING (MOVIE) menu.
For video, aperture priority or manual exposure is recommended to avoid exposure flickering. EF lenses are not capable of fine-grained control of the aperture required by Fujifilm cameras.
AF+MF and lens aberration correction are not supported.
Some film-era lenses may not be able to achieve sufficient AF accuracy required for digital cameras. Worn lenses with faulty sensors may lead to AF problems on a mirrorless camera even though the lens may appear to function normally on a DSLR.
Aperture diaphragm makes frequent noises with older lenses. Use aperture priority and manual exposure modes, or use a lens which supports smooth iris.
With IS/OS/VC lenses the IS MODE setting is ignored and both SHOOTING ONLY and CONTINUOUS modes behave in the same way which is similar to a Canon camera but different from what Fujifilm OIS lenses do. This is done to maximize IS effectiveness. A negative consequence of this is that there may be no OIS during focus check.
MF Distance Display does not work (although AF Distance Display does, if the lens transmits distance information). Since Metabones has a track record of releasing new firmware updates which significantly improve the features, performance, compatibility and reliability of existing products, these limitations are subject to change in the future. Please refer to the product pages on Metabones' web site for the most up-to-date disclosure.

Unsupported List

EF-S lens. EF-S lenses require modification to fit or may remain incompatible even after modification.
Lens correction such as peripheral shading, CA and distortion
Focus confirmation "chip" (e.g. Dandelion)
M42 screw mount adapters (see note 3)
Stacking non-Metabones/non-Conurus mount adapters on top (see note 4 and list of lenses which require modification below.)

Description

Metabones Expander 1.26x

The EF - GFX Expander 1.26x allows Canon EF mount lenses to be mounted on Fujifilm GFX camera bodies without getting dark and / or soft corners. The magnification factor of 1.26x perfectly matches the image circle of the full-frame Canon EF lenses to the medium-format sensor of the GFX series cameras, and therefore the diagonal field-of-view (FOV) remains exactly the same.

The optical design consists of 5 elements in 3 groups, incorporating ultra-high index Lanthanum-based optical glass as well as one element made of fused silica, resulting in extremely good performances with professional-grade f/2.8 zoom lenses. For example, a 24-70mm f/2.8 lens becomes a 30-88mm f/3.5 zoom, and a 70-200mm f/2.8 lens becomes an 88-252mm f/3.5 zoom.

Due to the nature of focal extenders, the aperture values decrease by 2/3 of a stop; f/2.8 becomes f/3.5 and f/2 becomes f/2.5. High-speed fixed focal length lenses such as the 50mm f/1.4 will be transformed into a very fast 63mm f/1.8 standard lens for the GFX system.

The EF-GFX mount Smart Expander features Metabones’ electronic integration, including phase-detection autofocus (PDAF), in-body image stabilization (IBIS), optical image stabilization (called IS/OS/VC by various lens manufacturers) and smooth iris. The button on the Smart Expander toggles between auto aperture (programmed exposure or shutter priority) and manual aperture (aperture priority or manual exposure). If a manual lens with no electronics is attached, the button brings up the manual lens selection on the camera body so that focal length can be chosen for correct IBIS operation and EXIF.

Tested Cameras

Fujifilm GFX 50S, GFX 50R and GFX 100

Tested Lenses

Smooth Iris

Model

Support

Canon EF 40mm F/2.8 STM

√

Canon EF 50mm F/1.2L USM

Canon EF 50mm F/1.4 USM

Canon EF 50mm F/1.8 II

Canon EF 50mm F/1.8 STM

√

Canon EF 85mm F/1.2L II USM

Canon EF 100mm F/2.8 USM Macro

Canon EF 100mm F/2.8L IS USM Macro

√

Canon EF 135mm F/2 L USM

Canon EF 200mm F/2.8L II USM

Canon EF 300mm F/2.8L IS II USM

√

Canon EF 300mm F/4L IS USM

Canon EF 400mm F/5.6l

Canon EF 8-15mm F/4L Fisheye

√

Canon EF 16-35mm f/2.8L II USM

√

Canon EF 17-35mm F/2.8L USM

Canon EF 24-70mm F/2.8L II USM

√

Canon EF 24-70mm F/2.8L USM Mk1

Canon EF 24-105mm F/4L IS USM

Canon EF 28-70mm F/3.5-4.5 II

Canon EF 28-135mm F/3.5-5.6 IS USM

Canon EF 28-80mm F/3.5-5.6 III USM

Canon EF 70-200mm F/2.8L IS II USM

√

Canon EF 70-200mm F/4L IS II USM

√

Canon EF 70-200mm F/4L USM

Canon EF 70-300mm F/4-5.6 L IS USM

Canon EF 100-400mm F/4.5-5.6 L IS II USM

Canon EF TS-E 17mm f/4L

Canon EF TS-E 24mm f/3.5L II

Sigma 24mm F/2.8 Super Wide II

Sigma 35mm F/1.4 DG Art 012

√

Sigma 50mm F/1.4 DG HSM non art

Sigma 135mm F/1.8 DG HSM Art 017

√

Sigma 24-35mm F/2 Art 015

Sigma 24-105mm F/4 OS HSM Art 013

Tamron 45mm F/1.8 VC (F013)

Tamron 10-24mm F/3.5-4.5 VC HLD (B023)

Tamron 15-30mm F/2.8 VC (A012)

Tamron 17-50mm F/2.8 VC (B005)

Tamron 18-250mm F/3.5-6.3 Di II (A18)

Tamron 18-270mm F/3.5-6.3 Di II VC (B003)

Tamron 18-270mm F/3.5-6.3 Di II VC PZD (B008)

Tamron 24-70mm F/2.8 Di VC USD (A007)

Tamron 28-300mm F/3.5-6.3 XR Di (A06)

Tamron 35-150mm F/2.8-4 Di VC OSD (A043)

Tamron 70-210mm F/4 Di VC USD (A034)

Tamron 70-300mm F/4-5.6 Di VC USD (A005)

Tokina 50mm F/1.4 Opera

Zeiss ZE 18mm F/3.5mm Distagon

Canon EF-Extender (Teleconverter)

Note :

1. EF-S lenses do not fit on Smart ExpanderTM. Some EF-S lenses may be modified to fit, but do so at your own risk.
2. Third-party lenses designed for APS-C format do not have enough coverage when used in conjunction with Smart ExpanderTM.
3. Some improperly-made M42 screw mount adapters may short the electronic contacts of the Smart ExpanderTM and cause damage to the Smart ExpanderTM and/or camera body.
4. Many manual focus lenses (e.g. OM 28/2.8, OM 50/1.8, Leica R 15/3.5) have rear protrusions (spikes, levers, other appendages) which would damage the optics and/or housing of Smart ExpanderTM. They need to be modified before they can be safely used on Smart ExpanderTM Check and make sure there are no rear protrusions from the adapter/lens combination before using on Smart ExpanderTM. Scratches and damages caused by rear protrusions on Smart ExpanderTM are not covered by warranty.

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