Top 10 Speedbooster EF to MFT – Camera Lens Adapters & Converters

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1. EBYPHAN

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MFT Lens Adapter EF-M2II Auto-Focus Speed-Booster Control Ring for Canon EF Lens to M4/3 Camera GH4 GH5 GF8 GF9 GX8 GX85 E-M5 E-M10 E-M10II E-PL5 Pen-F

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EBYPHAN #ad - 071x focal reducer: focal length is multiplied by 071 based on the original equivalent focal length = focal length x 071, which helps enlarge 1 stop aperture. Compatibility: ef-m2 ii electronic lens converter allows canon ef series lenses to be used on micro four thirds mft cameras, such as G6 G7 GH3 GF6 GF7 GX7 E-M5II E-PL7 E-PL8 E-PM2 E-P3 E-P5.

Performance: smooth operating and quick focusing; use gold-plated PIN needle to transmit signal, greatly enhancing its transmission performance; inbuilt copper electronic contacts and IS function, making focus precise and clear. Function: auto focus af, increase the lens 1 f-stop and the amount of light into the virtual background, exif signal transmission, help to better highlight the theme; adjust the aperture directly via camera to control actual aperture of lens.

Material & design: bayonets are made of high quality metal with surface plating treatment, being durable and robust; optical glasses built in 4 groups / 5 glasses; with 1/4" thread tripod foot at the bottom; firmware can be upgraded via a micro USB port etc.
BrandEBYPHAN #ad
ManufacturerEBYPHAN #ad
Part NumberEF-MTTG
ModelEF-M2II

2. Metabones

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Metabones Canon EF Lens to Micro Four Thirds T Speed Booster Ultra 0.71x

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Metabones #ad - Length: 2. 6 x 09" / 6. 60 x 2. 29cm. Compatibility: canon EF-mount lens to Micro Four Thirds-mount camera. Groups/elements: 4 / 5. Crop factor: 071x. Metabones speed booster ultra 071x adapter - front cap - rear cap - Tripod Foot Key - Metabones 1 Year Limited Warranty.
BrandMetabones #ad
ManufacturerMETABONES #ad
Height2.95 Inches
Length2.64 Inches
Weight0.36 Pounds
Width1.38 Inches
Part NumberMB_SPEF-M43-BT4
ModelMB_SPEF-M43-BT4

3. K&F Concept

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K&F Concept Lens Mount Adapter for Canon EOS EF Mount Lens to M4/3 MFT Olympus Pen and Panasonic Lumix Cameras

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K&F Concept #ad - Made of brass and aluminum not plastic, anodized aluminum construction. Compatible cameras including, e-pl2, gf2, g10, gf1, e-pl1s, g2, g3, e-m10, panasonic ag-af100 mirrorless digital cameras, gf3, gh1, gh2, E-M5, e-p2, gh4, e-pl3, but not limited to: Olympus PEN E-PL1, GF5, om-d, gx1, e-m, panasonic lumix dmc-g1, e-p3, Black Magic Pocket Cinema Camera BMPCC.

Smooth surface for effortless mount, infinity focus allowed. The adapters are precision made to insure the perfect fit. Adapting full-frame lens to aps-frame or m4/3 frame camera, it will magnify the focal length by 1.

6 on canon, 1. 5 on nikon and Sony,2. 0 on m4/3 camera. As canon's eos lenses are electronically controlled,most canon ef mount lenses do not feature a manual aperture ring,so when used on our EOS-M4/3, which is a full manual operation adapter ring, the aperture could not be transfered to the camera, it will stop down to its smallest f/stop by default.
BrandK&F Concept #ad
ManufacturerShenzhen Zhuoer Photograph #ad
Weight0.07 Pounds
Part NumberKF06.090
ModelKF06.090

4. Metabones

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Metabones Adapter Canon EF to MFT

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Metabones #ad - Converter. 1 x converter. Cameras with Micro 4/3. Material properties: both the camera side and the lens side, satin surface, the adapter is made of chrome-plated brass, precisely manufactured, precise fit. Canon EF.
BrandMetabones #ad
ManufacturerMetabones #ad
Height2.95 Inches
Length2.64 Inches
Weight0.4 Pounds
Width1.38 Inches
Part NumberMB_EF-M43-BT2
ModelMB_EF-m43-BT2

5. Commlite

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Commlite cm-AEF-MFT Booster Canon EF Lens to M4/3 Micro Four Thirds 0.71x Speed Booster Autofocus Adapter for Panasonic GH4 GH5 GH5S GF6 GF1 GX1 GX7 Olympus E-M5 E-M10 E-PL5

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Commlite #ad - 071x focal reducer boostercm-aef-mft booster can increase one great of an aperture to blur the background and better highlight the theme. You can also adjust the aperture of EF lens by control M4/3 camera body. Auto focus function&aperture controlcm-aef-mft booster with steady, fast and smooth autofocus, let you easy to shoot in the face of fleeting beauty.

Panasonic: gx1 gx7 gx8 gx80/85 gh1 gh4 gh5 g2 g3 g5 g7 gm1 gf3 af100 olympus: e-m1 e-m1 mark II E-M5 E-M5 Mark II E-M10 PEN-F E-P5 E-PL13. Cm-aef-mft booster was built-in IS function, making your focus much more precise and clear. Do not require to attach the adapter to your camera. Compatibilitycompatible with ef series lens to m4/3 mft/micro four third mount cameras. With usb port firmware updatefor adapter firmware update, connect the adapter to the computer with USB cable and execute latest file download from official website.

Built-in optical correction group, when using this adapter, and then multiply this data by M4/3 conversion rate, the focus of the lens should be shortened by X0.71, is the approximately M4/3 camera’s actually equivalent focus. Transmission between lens and camera body. Please check your cameras or lens fits this lens adapter before you purchase. Exif signal transmitting&is functioncooper gold-plated contacts with great conductivity enhance the EXIF info.
BrandCommlite #ad
ManufacturerCommlite #ad
Part NumberCM-AEF-MFT Booster
ModelCM-AEF-MFT-BOOSTER

6. EBYPHAN

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Lens Mount Adapter EF-EOS M2 Auto-Focus 0.71x Speed-Booster Control Ring for Canon EF Lens to Canon EOS-M EF-M Mount Mirrorless Cameras M M2 M3 M5 M6 M10 M50 M100

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EBYPHAN #ad - 071x focal reducer : focal length is multiplied by 071 based on the original equivalent focal length = focal length x 071, which helps enlarge 1 level aperture. Wonderful performance: use pin gold needle to transmit signal, greatly enhancing its transmission performance; optical glasses built in 4 groups / 4 glasses; enjoy EXIF signal transmission, AFauto-focus and adjustable aperture, etc.

Compatibility: ef-eos m2 lens converter allow canon ef mount series lenses to work with Canon EF-M mirrorless cameras M M2 M3 M5 M6 M10 M50 M100 Strong functions: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme. Equipped with usb interface, convenient for software upgrade; achieve perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.
BrandEBYPHAN #ad
ManufacturerEBYPHAN #ad
Part NumberEF-XXXM2
ModelEF-EOS M2

7. EBYPHAN

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MFT Speed-Booster EF-M2II Auto-Focus Electronic Lens Adapter for Canon EF Lens to M4/3 Camera GH4 GH5 GF8 GF9 GX8 GX85 E-M5 E-M10 E-M10II E-PL5 Pen-F

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EBYPHAN #ad - 071x focal reducer: focal length is multiplied by 071 based on the original equivalent focal length = focal length x 071, which helps enlarge 1 stop aperture. Af functions & adjustable aperture: auto focusing function, increase the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme; adjust the aperture directly from camera to control the lens’ actual aperture.

Compatibility: ef-m2 ii lens converter ring allows canon ef series lenses to be used on micro four thirds mft cameras, such as G6 G7 GH3 GF6 GF7 GX7 E-M5II E-PL7 E-PL8 E-PM2 E-P3 E-P5. Material & design: bayonets are made of metal with surface plating treatment, making focus precise and clear; optical glasses built in 4 groups / 5 glasses; with 1/4" thread tripod foot at the bottom, being durable and sturdy; inbuilt copper electronic contacts and IS function, etc.

More features: use gold-plated needle pin to transmit signal, enhancing its transmission performance; enjoy EXIF signal transmission; firmware can be upgraded by a micro USB port.
BrandEBYPHAN #ad
ManufacturerEBYPHAN #ad
Part NumberEF-MT2
ModelEF-M2II

8. VILTROX

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VILTROX EF-M2II Speed Booster Micro 4/3 Focal Reducer Booster Adapter Auto-Focus 0.71x for Canon EF Mount Series Lens to M4/3 Camera GH4 GH5 GF6 GF1 GX1 GX7 E-M5 E-M10 E-M10II E-PL5

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VILTROX #ad - 071x focal reducer converter: focal length is multiplied by 071 based on the original equivalent focal length = focal length x 071, which helps enlarge 1 stop aperture. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.

Usb firmware upgrade: equipped with usb interface, can realize software upgrade. Af functions & adjustable aperture: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme; adjust the aperture directly from camera to control the lens’ actual aperture. Compatibility: viltrox ef-m2 ii is an upgrade version of ef-m2, allowing canon ef series lenses to be used on M4/3 cameras, such as GH4 GH5 GF6 GF1 GX1 GX7 GX85 E-M5 E-M10 E-M10II E-PL5.

Material & design: bayonets are made of metal with surface plating treatment, being durable and sturdy; inbuilt copper electronic contacts and IS function, with 1/4" thread tripod foot at the bottom, making focus precise and clear, etc.
BrandVILTROX #ad
ManufacturerShenzhen Jueying Technology Co., Ltd. #ad
Part Number53003867

9. Metabones

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Metabones Speed Booster XL 0.64x Adapter for Full-Frame Canon EF-Mount Lens to Select Micro Four Thirds-Mount Cameras

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Metabones #ad - 1. 3-stop increase in Lens Apertures. 6 optical elements in 4 Groups. Supports in-Camera Aperture Control. 064x micro 4/3 crop Factor Compensation. Canon ef lens to Micro 4/3 Body.
BrandMetabones #ad
ManufacturerMetabones #ad
Height2.95 Inches
Length2.64 Inches
Weight0.37 Pounds
Width1.38 Inches
Part NumberMB_SPEF-M43-BT3
ModelMB_SPEF-M43-BT3

10. Fotasy

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Fotasy Manual Canon EF EF-S Lens to M43 Adapter, for Olympus E-PL8 E-PL9 E-M1 E-M5 E-M10 I II III E-PM2 E-PM1 Pen-F E-M1X/ Panasonic G7 G9 GF8 GH5 GX7 GX8 GX9 GX85 GX80 GX850 G90 G91, EF Mount to MFT

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Fotasy #ad - As canon ef/efs lenses do not have a manual aperture control ring it will stop up to its largest f/stop by default. Infinity Focus. Solid canon ef to mft adapter/ef ef-s to micro four three mount converter allows Canon EOS EF EF-S lens to fit on Olympus/Panasonic micro 4/3 Mirrorless Digital Cameras.

There is no electrical contacts in the adapter ring Automatic diaphragm auto-focusing or any other functions will not operated with using this adapter Exposure and focus has to be adjusted manually. Compatible with olympus e-p1 e-p2 e-p3 e-p5 e-pl1 e-pl2 e-pl3 e-pl5 e-pl6 e-pl7 e-pl8 e-pl9 om-d e-m1 e-m1 mark ii e-m5 e-m5 mark ii e-m5 mark iii e-m10 e-m10 mark ii e-m10 mark iii e-pm2 e-pm1 pen-f om-d e-m1x panasonic g1 g2 g3 g5 g7 g9 gh1 gh2 gh3 gh4 gh5 gh5s gf1 gf2 gf3 gf5 gf6 gf7 gf8 gm1 gm5 gX1 GX2 GX7 GX8 GX9 GX85 GX80 GX850 G90 G91.
BrandFotasy #ad
ManufacturerPhotography Accessories INC #ad
Height1.18 Inches
Length2.36 Inches
Weight0.1 Pounds
Width2.36 Inches
Part NumberAMEF
ModelEF MFT
Warrantyno