Top 9 Micro 4/3 to EF Adapter – Camera Lens Adapters & Converters

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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

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. 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.

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

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.
BrandVILTROX #ad
ManufacturerShenzhen Jueying Technology Co., Ltd. #ad
Part Number53003867

2. Metabones


Metabones Adapter Canon EF to MFT

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

3. Commlite


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

Commlite #ad - 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. 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.

Transmission between lens and camera body. Do not require to attach the adapter to your camera. 071x focal reducer boostercm-aef-mft booster can increase one great of an aperture to blur the background and better highlight the theme. Compatibilitycompatible with ef series lens to m4/3 mft/micro four third mount cameras. 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. You can also adjust the aperture of EF lens by control M4/3 camera body.

Please check your cameras or lens fits this lens adapter before you purchase. Built-in optical correction group, and then multiply this data by M4/3 conversion rate, when using this adapter, the focus of the lens should be shortened by X0.71, is the approximately M4/3 camera’s actually equivalent focus. Cm-aef-mft booster was built-in IS function, making your focus much more precise and clear. Exif signal transmitting&is functioncooper gold-plated contacts with great conductivity enhance the EXIF info.
BrandCommlite #ad
ManufacturerCommlite #ad
Part NumberCM-AEF-MFT Booster



EF to M43, EOS-M43, Olympus Pen and Panasonic Lumix Cameras, KECAY Lens Mount Adapter for Canon EOS EF EF-S Lens to Micro 4/3 Four Thirds M43 MFT System Camera

KECAY #ad - Anodized aluminum construction and heavy grade brass construction. Allows canon eos ef ef-s lens to be used on olympus/ panasonic camera body. This adapter gives you the ability to use your irreplaceable prime lens and saves you the cost of purchasing new lenses. Infinity focus guaranteed. Smooth surface for effortless mounting. Compatible cameras including, but not limited to:olympus pen e-pl1 e-pl1s e-pl2 e-pl3 e-p2 e-p3 e-m om-d e-m5 e-m10 panasonic Lumix DMC-G1 G2 G3 G10 GX1 GH1 GH2 GF1 GF2 GF3 GF5 GH4 GH5 Panasonic AG-AF100 etc.
BrandKECAY #ad
ManufacturerKECAY #ad
Part NumberLG05EOS-M4/3161

5. Hersmay


Lens Mount Adapter for Canon EOS EF Lens to Micro 4/3 M43 Mount Adapter GF2 GF3 E-P3 G2 GX7 GH1 E-PL2 GH3 GH4 GH5 GH5s

Hersmay #ad - There is no rom connection on the ring so diaphragm control of the lens is set manually. This fotga adapter allows canon eos ef lens to Olympus/Panasonic Micro 4/3Micro Four thirds Camera Body. Make ef ef-s mount lenes can be used on Micro 4/3 System cameras. Canon ef ef-s lens to olympus/Panasonic micro 4/3Micro Four thirdsadapter. There is no rom connection on the ring so diaphragm control of the lens is set manually.
BrandHersmay #ad
ManufacturerHersmay #ad
Part NumberRLAB032US

6. Fotasy


EF Mount to MFT, 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, Fotasy Manual Canon EF EF-S Lens to M43 Adapter

Fotasy #ad - 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.

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. As canon ef/efs lenses do not have a manual aperture control ring it will stop up to its largest f/stop by default.
BrandFotasy #ad
ManufacturerPhotography Accessories INC #ad
Height1.18 Inches
Length2.36 Inches
Weight0.1 Pounds
Width2.36 Inches
Part NumberAMEF

7. K&F Concept


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

K&F Concept #ad - 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.

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. Compatible cameras including, e-pl2, e-m5, om-d, g10, e-pl1s, e-m10, e-p2, e-pl3, e-p3, gf5, gf1, panasonic lumix dmc-g1, g3, gx1, gh4, but not limited to: olympus pen e-pl1, GH2, E-M, panasonic ag-af100 mirrorless digital cameras, g2, gF2, GH1, GF3, Black Magic Pocket Cinema Camera BMPCC.

Made of brass and aluminum not plastic, anodized aluminum construction. Smooth surface for effortless mount, infinity focus allowed. The adapters are precision made to insure the perfect fit.
BrandK&F Concept #ad
ManufacturerShenzhen Zhuoer Photograph #ad
Weight0.07 Pounds
Part NumberKF06.090

8. K&F Concept


K&F Concept EOS to M4/3 MFT Olympus Adapter for Canon EF EF-S Mount Lens to M4/3 M43 MFT Mount Camera with Matting Varnish Design for Olympus Pen E-P1 P2 P3 P5 E-PL1 Panasonic Lumix GH1 2 3 4 5

K&F Concept #ad - Materialall-metal design; hardened anodized aluminum construction, matting varnish inside to avoid light reflection. Featuressupports manual control, manual focus, manual exposure and focus to infinity.

Verify your lens and camera mountyou can find your lens/camera mount in the len's/ camera's original user manual. Or find your lens/camera on the manufacturers' website and under the product specifications look for “mount type”. Cameras compatibilityolympus pen e-pl1, g3, g2, gf2, e-p2, gf1, e-pl3, e-pl1s, gf5, e-p3, e-m, om-d, gh2, e-m5, e-m10 panasonic lumix dmc-g1, gf3, gh1, g10, e-pl2, gx1, GH4 Panasonic AG-AF100 Mirrorless Digital Cameras Black Magic Pocket Cinema Camera BMPCC. Functionyou can mount canon eos ef / ef-s d/SLR Lenses to Micro Four Thirds MFT mount mirrorless cameras.
BrandK&F Concept #ad
ManufacturerShenzhen Zhuoer Photograph #ad
Part NumberKF06.442



VILTROX EF-M1 Electronic Aperture Auto-Focus AF Lens Mount Adapter Automatic Converter Compatible with Canon EOS EF Lens to Panasonic GH5S 4 3 2 1 GF G100 Olympus OM-D E-M1 M5II M10II/E-PL8 7 5 3 2 1

VILTROX #ad - A great smart adapter. Built-in is stabilizationbuilt-in IS stability, making focus more accurate and clear and better help you to take pictures. Autofocus function & aperture controlsupports auto focus, Interior built-in aperture motor and an electronic contact; aperture of the lens controlled by means of an electronic contact; aperture can be adjusted directly from the camera side to control the actual aperture of the lens.

Exif signal transmissionuse pin gold plated needle to transmit signal, AFauto-focus and adjustable aperture, greatly enhancing its transmission performance; enjoy EXIF signal transmission, etc.

Compatibilityef-m1 version, compatible with canon ef mount series lenses to be mounted on Panasonic and Olympus series camerasPlease see the table below for specific models. Please contact us if you're not sure whether this lens adapter ring fits for your camera or lens. Fashionable designusb firmware upgrade; designed with 1/4 screws at the bottom, which can be mounted on tripod or other support platform.
BrandVILTROX #ad
ManufacturerVILTROX #ad
Part NumberEW-EF-M1