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The Canon EF to Fuji X-mount T CINE Speed Booster ULTRA 0.71x allows a full-frame Canon EF-mount lens to be used on a Fujifilm X-mount camera. While providing a one-stop increase for the camera over the lens's aperture range, up to a maximum output aperture of f/0.9
The advanced optical design of five elements in four groups comprised of tantalum glass reduces the projected image circle while maintaining high optical sharpness and minimizing aberrations. Internal flaring is reduced by the application of internal anti-reflective black flocking.
Positive-lock lens mount provides extra security when attaching large lenses.
The Canon EF to Fuji X-mount T CINE Speed Booster ULTRA 0.71x may or may not be compatible with your lens. Please see our specification tab for compatibility and important notes*.
* as of July 2020, based on Metabones Website
At digiDirect, we pride ourselves on our product knowledge, and the lengths we’ll go to find our customers the gear that is right for them. Our staff are on-hand and ready to help you in any way they can! All you need do is reach out and contact us via our contact form, by giving us a call, or by visiting your local digiDirect store.
The Canon EF to Fuji X-mount T CINE Speed Booster ULTRA 0.71x allows a full-frame Canon EF-mount lens to be used on a Fujifilm X-mount camera. While providing a one-stop increase for the camera over the lens's aperture range, up to a maximum output aperture of f/0.9
The advanced optical design of five elements in four groups comprised of tantalum glass reduces the projected image circle while maintaining high optical sharpness and minimizing aberrations. Internal flaring is reduced by the application of internal anti-reflective black flocking.
Positive-lock lens mount provides extra security when attaching large lenses.
The Canon EF to Fuji X-mount T CINE Speed Booster ULTRA 0.71x may or may not be compatible with your lens. Please see our specification tab for compatibility and important notes*.
* as of July 2020, based on Metabones Website
At digiDirect, we pride ourselves on our product knowledge, and the lengths we’ll go to find our customers the gear that is right for them. Our staff are on-hand and ready to help you in any way they can! All you need do is reach out and contact us via our contact form, by giving us a call, or by visiting your local digiDirect store.
Camera Mount | Fujifilm X-mount |
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Lens Mount | Canon EF |
Magnification | 0.71x |
Optical Design | 6 Elements in 4 Groups |
Material | Aluminum, Brass |
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Tripod Mounting Thread | 1/4"-20 Female |
Special Feature | Positive-lock EF Mount |
* | Each lens needs to go through a calibration procedure when first used. EF-X Mount Speed Booster ULTRA or EF-X Mount Smart Adapter will gather metadata by turning focus to infinity and minimum when the power is turned ON for the first time. If the lens has a focus limiter switch, set it to FULL prior to turning on the camera. Set camera to AF-S and use the autofocus a few times, although during the initial calibration stage the AF performance may be subpar and you may experience difficulty locking onto subjects. For a zoom lens, it is also necessary to zoom to both the wide end and the telephoto end of the zoom range. Turn off the camera to complete the calibration procedure. If calibration is successful the Speed Booster ULTRA or Smart Adapter will no longer turn focus to minimum the next time the camera starts up. If this calibration procedure is not completed properly, there may be problems such as excessive hunting, difficulty locking onto targets, inaccurate AF, incorrect parallax correction on X-Pro series and incorrect distance scale display on the camera (if enabled). |
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* | Continuous autofocus (AF-C) and video autofocus may not work on some cameras such as X-T100. Increasing FOCUS SENSITIVITY and decreasing AF SPEED is required under the AF-C CUSTOM SETTING (MOVIE) menu. |
* | For video, aperture priority or manual exposure is recommended to avoid exposure flickering. Fujifilm cameras require fine aperture control but EF lenses are not capable of controlling the aperture with sufficient granularity. |
* | AF+MF and lens aberration correction are not supported. |
* | Some early film-era lenses have a large amount of backlash and may not be able to achieve the AF accuracy required for digital cameras. Old lenses with faulty sensors due to wear and tear may lead to AF problems on a mirrorless camera even though the lens may appear to function normally on a DSLR. |
* | Distance displayed by camera is approximate but may not match the lens' distance scale. Older optics which do not report distance information will display an incorrect distance on the camera. |
* | Parallax correction on X-Pro series is approximate and may not be accurate. Older optics which do not report distance information do not support parallax correction at all. All but the smallest EF lenses block a significant portion of the optical viewfinder. |
* | AF Range Limiter is supported only on newest Fujifilm cameras and require distance information support from the lens. If the option is greyed out try setting it in movie mode. |
* | Lens aberration correction is not supported. |
* | Speed Booster ULTRA not only boosts the maximum aperture of the lens, but minimum, too. It is no longer possible to go down to f/22 or whatever else the minimum aperture of the lens is. |
* | The adapter has no aperture ring. On a camera with no mode dial, configure the "APERTURE SETTING" menu option to "AUTO+MANUAL" and use the camera's front or rear dial to change aperture. The auto setting comes after the minimum aperture. |
* | Aperture diaphragm in Programmed and Shutter Priority exposure modes may make frequent noises with older lenses. In reality, all Fujifilm X-Mount lenses make frequent aperture diaphragm moves during use but native lenses and the latest adapted lenses taking advantage of Metabones' smooth iris feature can do so quietly without making noticeable tick noises. |
* | IBIS is supported only with fixed focal length lenses at or below 100mm (after multiplying by 0.7x in the case of Speed Booster ULTRA). OIS will override IBIS. You cannot combine them. |
* | 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. |
Unsupported: |
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Cameras |
Fujifilm X-A1
Fujifilm X-H1 Fujifilm X-Pro1, X-Pro2 Fujifilm X-T3, X-T4 Fujifilm X-T30 Fujifilm X-T100 |
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Canon EF 40mm F/2.8 STM | Smooth Iris Support & IBIS Support |
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Canon EF 50mm F/1.2L USM | IBIS Support Only |
Canon EF 50mm F/1.4 USM | IBIS Support Only |
Canon EF 50mm F/1.8 II | IBIS Support Only |
Canon EF 50mm F/1.8 STM | Smooth Iris Support & IBIS Support |
Canon EF 85mm F/1.2L II USM | IBIS Support Only |
Canon EF 100mm F/2.8 USM Macro | IBIS Support Only |
Canon EF 100mm F/2.8L IS USM Macro | Smooth Iris Support Only |
Canon EF 135mm F/2 L USM | IBIS Support Only |
Canon EF 200mm F/2.8L II USM | |
Canon EF 300mm F/2.8L IS II USM | Smooth Iris Support Only |
Canon EF 300mm F/4L IS USM | |
Canon EF 400mm F/5.6l | |
Canon EF 8-15mm F/4L Fisheye | Smooth Iris Support & IBIS Support |
Canon EF 16-35mm f/2.8L II USM | Smooth Iris Support & IBIS Support |
Canon EF 17-35mm F/2.8L USM | IBIS Support Only |
Canon EF 24-70mm F/2.8L II USM | Smooth Iris Support & IBIS Support |
Canon EF 24-70mm F/2.8L USM Mk1 | IBIS Support Only |
Canon EF 24-105mm F/4L IS USM | |
Canon EF 28-70mm F/3.5-4.5 II | IBIS Support Only |
Canon EF 28-135mm F/3.5-5.6 IS USM | |
Canon EF 28-80mm F/3.5-5.6 III USM | IBIS Support Only |
Canon EF 70-200mm F/2.8L IS II USM | Smooth Iris Support Only |
Canon EF 70-200mm F/4L IS II USM | Smooth Iris Support Only |
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 | |
Sigma 24mm F/2.8 Super Wide II | IBIS Support Only |
Sigma 35mm F/1.4 DG Art 012 | Smooth Iris Support & IBIS Support |
Sigma 50mm F/1.4 DG HSM non art | IBIS Support Only |
Sigma 135mm F/1.8 DG HSM Art 017 | Smooth Iris Support & IBIS Support |
Sigma 24-35mm F/2 Art 015 | IBIS Support Only |
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 | IBIS Support Only |
Zeiss ZE 18mm F/3.5mm Distagon | IBIS Support Only |
Canon EF-Extender (Teleconverter) | |
NOTE: | * IBIS is supported only with fixed focal length lenses at or below 100mm (after multiplying by 0.7x in the case of Speed Booster ULTRA). OIS will override IBIS. You cannot combine them. |
1. | EF-S lenses do not fit on Speed Booster®. Some EF-S lenses may be modified to fit, but do so at your own risk. |
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2. | Third-party lenses designed for APS-C format do not have enough coverage when used in conjunction with Speed Booster®. |
3. | For use with fast lenses (faster than f/1.4), the pre-boost apertures will be displayed in the
camera. Slow lenses will report boosted apertures to the camera body but fast lenses will report pre-boost apertures. We won't show f/0.9 with a f/1.2 lens attached, but show f/1.2 instead. Example: a) EF 85/1.2L attached, camera display = f/1.2, physical aperture (lens + Speed Booster® combined) = f/0.85. b) Sigma 35/1.4 attached, camera display = f/1.0, physical aperture (lens + Speed Booster® combined) = f/1.0. |
4. | Some improperly-made M42 screw mount adapters may short the electronic contacts of the Speed Booster® and cause damage to the Speed Booster® and/or camera body. |
5. | 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 Speed Booster® They need to be modified before they can be safely used on Speed Booster® Check and make sure there are no rear protrusions from the adapter/lens combination before using on Speed Booster®. Scratches and damages caused by rear protrusions on Speed Booster® are not covered by warranty. |