SKU: 20197710909

Metabones T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera

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Description

Metabones T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount CameraCanon EF Lens to Micro 4 3 Body Full Frame Lens to Micro 4 3 Camera Body Supports In Camera Aperture Control 0. 71x Micro 4 3 Crop Factor Compensation 1 Stop Increase in Lens Apertures 5 Optical Elements in 4 Groups Locking Mechanism to Secure Lens Push Button Lens Release Brass Mounting Rings Detachable Tripod Foot The T Speed Booster Ultra 0. 71x Adapter for Canon Full Frame EF Mount Lens to Micro Four Thirds Mount Camera from Metabones allows a

  • Canon EF Lens to Micro 4/3 Body
  • Full-Frame Lens to Micro 4/3 Camera Body
  • Supports In-Camera Aperture Control
  • 0.71x Micro 4/3 Crop Factor Compensation
  • 1-Stop Increase in Lens Apertures
  • 5 Optical Elements in 4 Groups
  • Locking Mechanism to Secure Lens
  • Push-Button Lens Release
  • Brass Mounting Rings
  • Detachable Tripod Foot

The T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera from Metabones allows a full-frame Canon EF-mount lens to be mounted onto a Micro Four Thirds-mount camera. While doing so, the adapter's optics help to maximize the connected lens's apparent angle of view while providing a 1-stop increase for the camera over the lens's aperture range.

If a lens intended for 35mm film or similarly-sized full-frame camera sensors is connected to a camera with a Micro Four Thirds-sized sensor, it would project an image larger than the Micro Four Thirds sensor was built to accept. Able to capture only the center portion of the projected image, the effective angle of view of the lens would be narrowed, creating an in-camera "crop factor." The T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera condenses the light from a lens designed for 35mm film or "full frame" camera sensors and projects it onto a Micro Four Thirds sensor. This allows a Micro Four Thirds sensor to utilize more of the light gathered by a connected lens, which effectively reduces the crop factor while making available to the sensor an additional 1 stop of light for each of the lens's f/stop settings.

This adapter is constructed from aluminum alloy for durability while minimizing weight and its mounting rings are made with brass to further prevent wear-and-tear. Inside are five lens elements in four groups that are designed to provide optical clarity as well as color fidelity, and a detachable tripod foot is included that features 1/4"-20 threads as well as compatibility with Arca-Swiss tripod heads.

The T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera supports electronic communication between an attached camera and lens. If the lens includes autofocus, image stabilization, as well as camera-controlled aperture functions, this adapter is intended to allow those features to be used. Also, if an attached lens is capable of generating EXIF metadata when used with a directly compatible camera, the T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera is designed to allow that information to be saved along with image files generated with a combination of the lens, a compatible Micro Four Thirds-mount camera, and the adapter.

  • Allows a full-frame Canon EF-mount lens to be used with a Micro Four Thirds-mount camera
  • Maximizes apparent angle of view of combined camera and lens
  • Provides a 1-stop increase for the camera over the lens's aperture range
  • Integrated jog dial for incremental aperture adjustment and push-button access to lens's widest aperture setting when used with a compatible Panasonic camera
  • Five lens elements in four groups for optical clarity as well as color fidelity
  • Supports electronic communication between camera and lens to enable autofocus, image stabilization, on-camera aperture control, and EXIF metadata generation when possible
  • Internal coating minimizes reflections within the adapter barrel
  • Detachable, Arca-Swiss compatible tripod foot with 3/8" threads
  • Aluminum alloy components for weight reduction
  • Brass mounting rings prevent wear-and-tear
  • Locking mechanism for secure attachment of lens with push-button release
Compatibility Canon EF-mount lens to Micro Four Thirds-mount camera
Crop Factor 0.71x
Groups/Elements 4 / 5
Length 2.6 x 0.9" (6.7 x 2.4 cm)
Weight 6.1 oz (172.0 g)
Packaging Info
Package Weight 0.7 lb
Box Dimensions (LxWxH) 4.331 x 4.173 x 2.362"
In the Box
Metabones T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount Lens to Micro Four Thirds-Mount Camera
  • Front Cap
  • Rear Cap
  • Tripod Foot Key
  • Limited 1-Year Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 20197710909

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Zori 8
Belleville, US
★★★★★ 5
Much better than the box version
Flavor Name: Mint, Size: 230 Count (Pack of 1)
This works really well to wet the mouth if you have an autoimmune condition. It lasts all night if you use two, one on each side. They attach securely to the gums. Doesn’t feel bulky in the mouth. Nice and smooth against the cheek. I get the mild mint flavor which tastes good. It is flavored with xylitol which the dentist says will not rot my teeth like sugar would so I use it every day. The fact that it is sugar free really helps. I used to get the boxes that have each lozenge in a blister pack. But I’d often buy 6 boxes and then only get 2. But this has the same amount in a bottle, and they stay in good condition. Turns out the blister pack is not necessary. And this way it is all in one so no more delivery issues! Highly recommend.
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Reviewed in the United States on March 9, 2026
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Clarissa N.
San Leandro, US
★★★★★ 5
Great value for the money and does the job!
Flavor Name: Mint, Size: 230 Count (Pack of 1)
These tablets work great for those who suffer with dry mouth at night. They stay put and deliver a slow and easy release to help keep your mouth from being dry. No worry about swallowing them- they stay put!! I prefer the mint flavor as the taste is very subtle and it doesn't have any smell to them. Great value for the money.
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Reviewed in the United States on April 22, 2026
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Derik
Carnegie, US
★★★★★ 5
Effective Relief for Dry Mout
Flavor Name: Mint, Size: 230 Count (Pack of 1)
Oracoat XyliMelts have been a lifesaver in managing my dry mouth symptoms, especially at night due to medication side effects. Ease of Use: These discs are simple to use; I place two in my mouth before going to bed, and they adhere comfortably throughout the night. They’re discreet and easy to apply, making them convenient for both nighttime and daytime relief. Effectiveness: XyliMelts work effectively to stimulate saliva production, providing much-needed moisture to alleviate the discomfort of dry mouth. I wake up with less dryness, which greatly improves my comfort and oral health. Flavor and Comfort: The mild flavor is pleasant and doesn’t interfere with sleep. The discs dissolve slowly, ensuring consistent relief without any irritation. Overall Experience: Oracoat XyliMelts are a must-have for anyone dealing with dry mouth from medications. They offer reliable, long-lasting relief and have become an essential part of my nightly routine.
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Reviewed in the United States on December 18, 2025
K
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K. Adams
Omaha, US
★★★★★ 5
A Tooth Saver
Flavor Name: Mint, Size: 230 Count (Pack of 1)
Work well. My mouth gets dry due to meds and this helps me avoid cavities while sleeping. It has a mild minty taste ad lasts most of the night. I sometimes use it during the day as well and it is nice and discreet.
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Reviewed in the United States on May 7, 2026
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Sarah Moyer
Fort Morgan, US
★★★★★ 5
Best relief for dry mouth!
Flavor Name: Mint, Size: 230 Count (Pack of 1)
My neurologist recommended XyliMelts after I mentioned dry mouth with CPAP use. I have been using them for about a year and they’ve made a huge difference. Before using them, I would wake up several times with a completely dry mouth and throat. These help keep my mouth moist for hours while I sleep. They stick well to the roof of my mouth without being uncomfortable, and the mild mint flavor isn’t overpowering. I also like that they dissolve slowly instead of disappearing too quickly like regular lozenges. The only small adjustment was getting used to placing them the first couple of nights, but after that they were easy to use. Overall, I’d definitely recommend these to anyone dealing with nighttime dry mouth or dry mouth from medications. Pro tip: bring them with you when you travel, they are super helpful in drier climates and on planes.
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Reviewed in the United States on May 7, 2026

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