Top 20 Best Gh4 Speed Booster Xl That You Should Buy- Ultimate Guide, Review & Comparison

The future of the best gh4 speed booster xl is here, and we’ve got all the best picks for 2023. We have compiled 98423 reviews from top experts that led us to these 20 devices on the list.

The Best Gh4 Speed Booster Xl Deals This Week: 

Bestseller No. 1
Metabones Nikon G to Micro Four Thirds Speed Booster XL 0.64x
  • List of incompatible lenses Nikkor 2.1cm f4,20/2.8 AI-S
Bestseller No. 3
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
  • 【Compatibility】Compatible 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. Please check your cameras or lens fits this lens adapter before you purchase.
  • 【0.71x Focal Reducer Booster】CM-AEF-MFT Booster can increase one great of an aperture to blur the background and better highlight the theme. Built-in optical correction group, when using this adapter, the focus of the lens should be shortened by X0.71, and then multiply this data by M4/3 conversion rate, is the approximately M4/3 camera’s actually equivalent focus.
  • 【Auto Focus Function and Aperture Control】CM-AEF-MFT Booster with steady, fast and smooth autofocus, let you easy to shoot in the face of fleeting beauty. You can also adjust the aperture of EF lens by control M4/3 camera body.
  • 【EXIF signal transmitting and IS Function】Cooper gold-plated contacts with great conductivity enhance the EXIF info. Transmission between lens and camera body. CM-AEF-MFT Booster was built-in IS function, making your focus much more precise and clear.
  • 【With USB port firmware update】For adapter firmware update, connect the adapter to the computer with USB cable and execute latest file download from official website. Do not require to attach the adapter to your camera.
Bestseller No. 4
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
  • 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.
  • 0.71x Focal Reducer: focal length is multiplied by 0.71 based on the original (equivalent focal length = focal length x 0.71), which helps enlarge 1 stop aperture.
  • Function: auto focus (AF), EXIF signal transmission, increase the lens 1 f-stop and the amount of light into the virtual background, 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.
  • 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.
Bestseller No. 5
VILTROX EF-M2II 0.71x Speed Booster, EF to Micro 4/3 Focal Reducer Booster Adapter Auto-Focus for GH6 GH5M2 BMPCC 4K GH4 GH5 G100 G95 G85 OM-1 EM-1 E-M1X E-M1 iii E-M5 iii E-M10 iv E-M10 iii
  • 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
  • 0.71x Focal Reducer Converter: focal length is multiplied by 0.71 based on the original (equivalent focal length = focal length x 0.71), which helps enlarge 1 stop aperture
  • 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
  • USB Firmware Upgrade: Equipped with USB interface, can realize software upgrade. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.
Bestseller No. 6
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
  • 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
  • 0.71x Focal Reducer : Focal length is multiplied by 0.71 based on the original ( equivalent focal length = focal length x 0.71 ), which helps enlarge 1 level aperture
  • Strong Functions: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme
  • 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, AF(auto-focus) and adjustable aperture, etc.
  • 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
SaleBestseller No. 7
Panasonic LUMIX G85 4K Digital Camera, 12-60mm Power O.I.S. Lens, 16 Megapixel Mirrorless Camera, 5 Axis In-Body Dual Image Stabilization, 3-Inch Tilt and Touch LCD, DMC-G85MK (Black)
  • Fine Detail Performance: 16 megapixel micro four thirds sensor with no low pass filter resulting in a near 10 percent boost in fine detail resolving power over existing 16 megapixel micro four thirds sensors; Color temperature setting 2500 to 10000K in 100K
  • Mirrorless Interchangeable Lens Camera: With 12 60 millimeter lens, Shoot lighter and faster with the modern hybrid photography performance of a mirrorless camera and nearly half the bulk of most DSLRs
  • Class Leading Dual Image Stabilization: In body 5 axis dual image stabilization works in both photo and motion picture recording including 4K video to produce clear handheld shots even in low light conditions. Diopter adjustment: minus-4.0 to plus-4.0 (dpt)
  • Live Viewfinder and Flip LCD Display: Integrated eye level OLED live viewfinder (2360K dots) and rear touch Enabled 3 inch LCD Display (1040K dots) adjusts for optimal viewing angles to maximize viewing
  • 4K video Capture: 4K QFHD video recording (3840 x 2160), plus exclusive Lumix 4K photo and 4K Post Focus allows you to record photos up to 30fps and set your desired focus points after the photo has been Taken
Bestseller No. 8
essence | Lash Princess False Lash Effect Mascara | Gluten & Cruelty Free
  • If you receive this mascara UNWRAPPED, it did not come from essence cosmetics.
  • NO FALSIES NEEDED! Lash Princess False Lash Mascara defines and separates lashes while achieving a bold look.
  • DRAMATIC VOLUME: the conic shape fiber brush delivers dramatic volume and sculpted length WITHOUT clumps or globs.
  • LASTS ALL DAY: go about your day free from flaking & fading! This mascara does not flake, fade, or wear, making it a perfect all-day, longlasting mascara.
  • CRUELTY FREE: essence cosmetics is certified and acknowledged by PETA as a cruelty-free brand. We do not test any of our products on animals.
Bestseller No. 9
Honest Beauty Extreme Length Mascara + Lash Primer | 2-in-1 Boosts Lash Length, Volume & Definition | Silicone Free, Paraben Free, Dermatologist & Ophthalmologist Tested | 0.2 Fl Oz, Black
  • New look, same great formula; packaging may vary
  • Award-winning, bestselling double-sided mascara plus lash primer for ultimate length and volume
  • Ophthalmologist Tested
  • Cruelty free
  • EWG Certified
Bestseller No. 10
Lancome Paris Cils Booster XL Super- Enhancing Mascara Base ~ Unboxed ~ Full Size
  • LANCOME by Lancome
  • 100% Genuine, Money Back Guarantee
  • This Fragrance is for WOMEN
  • It is recommended for wear
  • Smells of
Bestseller No. 11
Cils Booster XL Super Enhancing Mascara Base Travel 0.07 oz (2.07ml)
  • Lancome Cils Booster XL Super Enhancing Mascara Base,
  • A white, lash-enhancing mascara primer base, suitable for sensitive eyes, enriched with fibers and helps to protect your lashes and gain a lash boosting effect
  • 0.07 oz/ 2.07ml (Travel Size),
  • The Cils Booster XL formula helps to leave eyelashes looking longer, curvier and thicker without smudging
  • New. Unboxed.
SaleBestseller No. 12
VILTROX EF-M2 Focal Reducer Speed Booster Adapter Auto-Focus 0.71x for Canon EF Mount Series Lens to M43 Camera GH4 GH5 GF6 GF1 GX1 GX7 E-M5 E-M10 E-PL5,with USB Update Port
  • Compatibility: Allow for Canon EF mount series lens to be used on M4/3 camera. We will glad to help you if you don't know whether this lens adapter ring fits for your cameras and your lens. Focus length multiplier: 0.71x.
  • Support AF Function: Viltrox EF-M2 lens adapter comes with the gold-plating contact, which can help to connect your Canon EF mount series lens to M4/3 Cameras, auto focusing perfectly.
  • Support Aperture Control: Designed with internal aperture motor, you can adjust the aperture from camera end directly to control the lens’ actual aperture.
  • Material & Design: Made of aluminum allo; convenient for installation; powerful and stable;Gold-plating contact, excellent transmitting effect.
  • USB Firmware Upgrade: Equipped with USB interface, can realize software upgrade. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.
SaleBestseller No. 13
Panasonic LUMIX GH5 4K Digital Camera, 20.3 Megapixel Mirrorless Camera with Digital Live MOS Sensor, 5-Axis Dual I.S. 2.0, 4K 4:2:2 10-Bit Video, Full-Size HDMI Out, 3.2-Inch LCD, DC-GH5 (Black)
  • Professional photo and video: 20.3 Megapixel micro four thirds sensor with no low pass filter to capture sharp images with a high dynamic range and artifact free performance
  • Splash or Freeze Proof Design: Freeze proof to 10 degrees the durable magnesium alloy body withstands heavy use in the field; Splash or dust proof construction with weather sealing on every Joint, dial and button
  • Dual image stabilization: 5 axis dual image stabilization corrects all lenses, including classic lenses not equipped with O. I. S, to eliminate Blur and nearly eliminate body and lens shake in both photo and 4K video recording
  • 4K video capture: Records silky smooth 4K 60P by 50P (QFHD 4K: 3840 x 2160 ; MOV or MP4) video with internal 4: 2: 2 10 bit 4K video recording, Plus exclusive 6K photo and 4K post focus records photos up to 60Fps
  • Connectivity and Ports: 3.5 millimeter audio port, connect to devices with USB 3.0, an external monitor or external Recorder with a full size HDMI port; Available Twin SD card slots (UHS II U3 compatible)
SaleBestseller No. 14
Just Thrive: Ultimate IgG - Complete Gut Health and Immune Support - 1 Month Supply - Immunoglobulin Concentrate for Immunity and Enhanced Digestion Support - No Lactose, Casein or Dairy
  • SUPPORTS THE IMMUNE SYSTEM: Extra support with immunoglobulin “troops” to keep your body’s antibody soldiers from getting overwhelmed.
  • PROMOTES CALMING OF THE BODY: An overworked immune system can promote inflammatory responses, that’s why we have these strong IgGs levels to the rescue!
  • MAY RELIEVE SOUR STOMACH: This may help you with uncomfortable, damaging digestive issues by supporting the gastrointestinal tract’s protective barrier.
  • ONLY THE GOOD-FOR-YOU STUFF: Made of immunoglobulin concentrate and stored in vegetable capsules, our proprietary blend does not contain any casein, dairy, lactose, gluten or sugar.
  • OUR QUALITY PROMISE: Just Thrive is passionate about good health, and we ensure the integrity and quality of our products. We believe that everyone – including your pet – deserves access to effective, top-quality supplements and the opportunity to not just feel good, but to thrive!
Bestseller No. 16
VILTROX EF-EOS M2 Speed Booster 0.71x Canon EF Lens to EF-M Mount Speedbooster for Canon m50 ii m6 ii m200 m50 m6 m5
  • The VILTROX EF-EOS M2 is designed to allows Canon EF lenses to be mounted on the Canon EOS M mirrorless camera, compatible with all lens functions. Can increase the lens 1 f-stop, increasing the amount of light into the virtual background, can better highlight the theme .
  • Allows the aperture increased by one level while the focal length is reduced (equivalent focal length= focal length x 0.71 x 1.6), increase the lens 1 f-stop, Bring better photo bokeh.
  • Signal transmission using PIN gold needle, greatly enhanced its transmission performance, real-time preview of photo information on camera, full compatible with Canon lens and camera features, e.g. autofocus, image stabilization, auto aperture adjustment, etc.
  • 4 lens elements in 4 groups for optical clarity as well as color fidelity.Detachable tripod foot with 1/4"-20 accessory thread for direct attachment to tripods or quick release plates that feature 1/4"-20 mounts.
  • USB upgrade port: Through continuous software updates, VILTROX will help users get better shooting experience, fix product bugs and constantly adapt to the new EF lens, provide more Canon lens and camera combinations.
Bestseller No. 17
VILTROX EF-M2 II 0.71x Reducer Speed Booster Auto Focus Lens Adapter Compatible with Canon EF Lens to Micro Four Thirds M43 MFT Mount Camera Panasonic GH4 GH5 GH5S GF6 GF1 GX7 Olympus E-M5 E-M10 E-PL5
  • 【Compatibility】VILTROX EF-M2 II Speed Booster is compatible with full-frame Canon EF lens to M4/3 mount camera,such as GH4 GH5 GH5S GF6 GF1 GX85 E-M1 E-M5 E-M10 E-PL5,etc.Support firmware upgrade via USB port.
  • 【Increase the Aperture】The EF-M2 II Booster can increasing one gear of aperture to blur the background and better highlight the theme.
  • 【0.71x Focal Reduce Focus Length】Built-in with optical correction group,when using the adapter,the focus of the lens should be multiplied by 0.71,then multiply this data by M4/3 conversion rate, is the lens’ actually equivalent focus.
  • 【Auto Focus & Aperture Control】With copper electronic contacts,EF-M2 II will give you fast speed and smooth focusing experience.You can also adjust the aperture of EF lens by control M4/3 camera body.
  • 【EXIF signal transmitting & IS Function】EF-M2 II can transmit the EXIF signals to your camera and display the current information on the screen( like Aperture,Shutter Speed, Exposure parameters, etc. ),and with Built-in IS function, making your focus much more precise and clear.
Bestseller No. 19
Viltrox NF-M43X Manual Focus 0.71x Reducer Speed Booster Lens Mount Adapter w/Aperture Control for Nikon G D Lens to M4/3 Mirrorless Camera GH5 GH4 GF9 GX85 GX8 E-M5 E-M10 E-PL3 Pen-F BMPCC
  • Viltrox NF-M43X lens adapter allows Nikon G&D mount lens to be used on M4/3 mirrorless camera
  • 4 groups 5 pieces optical glasses, aperture is 1X enlarged for you to blur the background distinct the major subject
  • 0.71X focal length multiplier, APS-C camera can take full frame pictures.
  • 8-stops exact aperture dial
  • Constructed of high-precision aluminum material
Bestseller No. 20
VILTROX EF-EOS M2 Auto Focus Lens Adapter 0.71x Reducer Speed Booster for Canon EF Mount Lens to Canon EF-M Mount Mirrorless Camera EOS M M2 M3 M5 M6 M10 M50 M100
  • 【Compatibility】VILTROX EF-EOS M2 Speed Booster compatible with Canon EF Lens to Cano EF-M Mount mirrorless camera EOS M M2 M3 M5 M6 M6II M10 M50 M50II M100 M200.
  • 【0.71x Focal Length Reducer 】Built-in optical correction group, when using this adapter, the focal length of lens should be shortened x0.71 based on the original,that is equivalent focal length = focal length x 0.71x camera conversion rate,which make the effective focal length smaller and the shooting range wider.
  • 【Aperture increased by 1 stop】EF-EOS M2 Speed Booster can increase one stop aperture to blur the background and better highlight the theme.
  • 【Auto Focus & Aperture Control】EF-EOS M2 Speed Booster with steady, fast and smooth autofocus, let you easy to shoot in the face of fleeting beauty. You can also adjust the aperture of EF lens by control EOS M series camera body.
  • 【EXIF signal transmitting & IS Function】Cooper gold-plated contacts with great conductivity enhance the EXIF info. Transmission between lens and camera body. Built-in IS function, making your focus much more precise and clear.

Bottom Line about Gh4 Speed Booster Xl

When you purchase gh4 speed booster xl, it’s important to consider whether or not the item will actually serve its purpose. Sometimes we may think that an acquisition is necessary when really there are other options available at a lower cost, which would suffice just as well with no loss in value–reviewing these alternatives beforehand can help avoid wasting money on unnecessary purchases later down the line. 

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