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Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster

B&H # MESPNFGM43BM MFR # MB_SPNFG-M43-BM1
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Product Highlights

  • Fits Nikon G & F Lens to MFT Mount Camera
  • Increases Maximum Aperture by 1 f/Stop
  • Increases Angle of View by 0.71x
  • Built-in Aperture Control Ring
  • Wide-Open Button
  • Detachable Tripod Foot
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You Pay: $429.00

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The Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster from Metabones allows a full frame Nikon G & F lens to be mounted to a Micro Four Thirds mount camera and in doing so, increases the angle of view and increases the maximum aperture one f/stop.

When a lens intended for full frame sensors or 35mm film is mounted to a camera with an Micro Four Thirds sized sensor, it transmits a larger area of light than the smaller sensor was built to accept and therefore the angle of view of the lens decreases and the equivalent focal length increases. The Speed Booster condenses light from the lens and projects it onto the smaller sensor allowing the sensor to utilize all of the lens' light and effectively produce a full-frame angle of view with an MFT sensor. A corresponding increase in the maximum aperture of one f/stop makes the lens more effective in low-light situations and able to create a shallow depth of field. 

Metabones Speed Boosters are quality made, using precision-machined brass with chromium plating on both the camera-body and the lens sides of the booster in order to ensure smooth mounting, quality aesthetic, and durability. This adapter has a detachable tripod foot that is compatible with Arca Swiss, Markins, and Photo Clam ball heads.

Although the lens will fit physically, automatic diaphragm (AE metering), or other auto functions are not retained using this speed booster. Nikon G and F lenses including non-AI & AI lens mounts are compatible. The Nikkor 2.1cm f/4 and 20mm f/2.8 AI-S lenses are not compatible with the speed booster.

Allows a full frame Nikon G & F lens to be mounted to a Micro Four Thirds mount camera and in doing so, increases the angle of view and increases the maximum aperture one f/stop.
Both camera-side and lens-side of the speed booster are made of brass, precision-machined and plated with chromium.
Precise fit and solid connection - lens has no play, gap or wiggling when mounted on speed booster and no adjustments are required to fit your lens.
The Speed Booster uses matte-black treatment to keep internal reflection to a minimum in order to maintain the maximum optical quality possible with the lens.
The lens' aperture is set to wide open for ease of focusing while the Wide-Open (WO) button of the Metabones Speed Booster is depressed. Release the button and the lens will return to the aperture set on the camera. This wide-open function is automatically shut off when you actually take a picture and during movie capture.
Micro Four Thirds speed boosters are shipped with a clickless ring that can be easily converted to a clicked ring without additional parts.
This adapter has a detachable tripod foot that is compatible with Arca Swiss, Markins, and Photo Clam ball heads.
Although the lens will fit physically, automatic diaphragm (AE metering), or other auto functions are not retained using this speed booster.
Satin surface finish
Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster
  • Detachable Tripod Foot
  • Front Lens Cap
  • Rear Lens Cap
  • Limited 1-year Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    MetabonesNikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster
     
    4.8

    (based on 64 reviews)

    Ratings Distribution

    • 5 Stars

       

      (50)

    • 4 Stars

       

      (12)

    • 3 Stars

       

      (2)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (0)

    94%

    of respondents would recommend this to a friend.

    Pros

    • Easy to use (42)
    • Durable (39)
    • Great picture quality (33)
    • Good video quality (32)
    • Compact (29)

    Cons

      Best Uses

      • Video (39)
      • Landscape/scenery (12)
      • Weddings (11)
      • Family photos (9)
      • Travel (9)
        • Reviewer Profile:
        • Pro photographer (29), Photo enthusiast (8), Semi-pro photographer (6)
        • Was this a gift?:
        • No (52)

      Most Liked Positive Review

       

      Don't leave your home without it

      After intense research, I bought this for my brand new GH4. Let me put it this way. If you are going to use your GH4 for video, you MUST have this. This...Read complete review

      After intense research, I bought this for my brand new GH4. Let me put it this way. If you are going to use your GH4 for video, you MUST have this. This adaptor changes the game. Paired with a fast lense.. this adaptor will give you the shallow depth of field we all are trying to achieve. It is solid. fits tight. Produces great images. It adds aperture ring to your lens. This is awesome for film makers. You do not have to turn a dial on your camera to adjust your iris. Once purchased.. you will have the urge to buy fast zoom lenses. Those Nikons are wide. So you will not be able to set your camera on your tripod. Thank God, Metabones comes with a tripod mount.

      VS

      Most Liked Negative Review

       

      Does what its supposed to but...

      There are 2 things that I would have different for this adapter.

      1. It is not designed for the AF100, but probably for the GH4 or other DSLRs. The tripod...Read complete review

      There are 2 things that I would have different for this adapter.

      1. It is not designed for the AF100, but probably for the GH4 or other DSLRs. The tripod shoe has to come off in order for it to attach to my AF100. With the tripod shoe on, it hits the front of the AF100 and doesn't go in correctly.

      2. The Apaerture ring on the adapter is a little tough to move. It is smooth, and it is awesome to have a way to change aperture smoothly, but I wish it would be a little easier to pull in order to avoid camera shake when you change your aperture.

      The Metabones also is a tight fit on my AF100. It makes me worried everytime that it will get stuck or something will break. It hasn't happened yet, and I assume most adapters are tight, but it does make me worried. I don't think that's big enough to lower it's rating, but it is something worth noting.

      Either way, I wish they would have designed one specifically for the AF100 without having to remove the shoe mount, but this thing is a beast and works amazingly well.

      Reviewed by 64 customers

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      4.0

      Amazing piece of hardware

      By ChuckDiesel7

      from Indianapolis, IN

      About Me Semi-pro Photographer

      Verified Buyer

      Pros

      • Durable
      • Easy to Use
      • Good Video Quality
      • Great Picture Quality

      Cons

      • Pricey

      Best Uses

      • Landscape/Scenery
      • Travel
      • Video
      • Weddings/Events
      • Wildlife Photos

      Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

      This adapter has essentially doubled my number of lenses. It is a bit pricey, but when considering it's impact on your kit, I believe it is well worth it...ESP if you're shooting MFT format. My one complaint was that my specific model has problems with infinity focus.

      • Was this a gift?:
      • No

      Share this review

       
      5.0

      Perfect for GH4

      By David

      from Seattle

      Verified Buyer

      Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

      Puechased the speedbooster with the GH4 and now I get the benefits of better low light performance and a lower crop factor. It wasn't cheap but in term of putting a package together that delivers like the GH4 does, it's very affordable. It works with modern lenses and older Nikon mount glass, which are very affordable.

      Share this review

       
      5.0

      Great Bang for the Buck

      By Dazzle

      from Michigan

      About Me Semi-pro Photographer

      Verified Buyer

      Pros

      • Durable
      • Easy to Use
      • Good Video Quality
      • Great Picture Quality

      Cons

        Best Uses

        • Family Photos
        • Video
        • Weddings/Events
        • Wildlife Photos

        Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

        I attached a Nikon 24 - 70 mm lens to this thing. Wow! it makes the picture a lot brighter. I think the tripod mount is very handy since the lens is rather heavy. I use this on my Panasonic GH-4 for video. I wish this thing would allow the use of more controls on the GH4. However, your can live with it.

        • Was this a gift?:
        • No

        Share this review

        (1 of 1 customers found this review helpful)

         
        3.0

        Does what its supposed to but...

        By Ledi08

        from Columbus, OH

        About Me Pro Photographer

        Verified Buyer

        Pros

        • Compact
        • Durable
        • Good Video Quality
        • Great Picture Quality
        • Lightweight

        Cons

        • Too Tight

        Best Uses

        • Landscape/Scenery
        • Sports/Action
        • Video

        Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

        There are 2 things that I would have different for this adapter.

        1. It is not designed for the AF100, but probably for the GH4 or other DSLRs. The tripod shoe has to come off in order for it to attach to my AF100. With the tripod shoe on, it hits the front of the AF100 and doesn't go in correctly.

        2. The Apaerture ring on the adapter is a little tough to move. It is smooth, and it is awesome to have a way to change aperture smoothly, but I wish it would be a little easier to pull in order to avoid camera shake when you change your aperture.

        The Metabones also is a tight fit on my AF100. It makes me worried everytime that it will get stuck or something will break. It hasn't happened yet, and I assume most adapters are tight, but it does make me worried. I don't think that's big enough to lower it's rating, but it is something worth noting.

        Either way, I wish they would have designed one specifically for the AF100 without having to remove the shoe mount, but this thing is a beast and works amazingly well.

        • Was this a gift?:
        • No

        Share this review

         
        5.0

        Bought my second one

        By Blue Voyage TV

        from Savannah, GA

        About Me Pro Photographer

        Pros

        • Durable
        • Easy to Use
        • Good Video Quality
        • Great Picture Quality

        Cons

          Best Uses

          • Video

          Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

          I downsized from Panasonic HPX370 to Panasonic gh4. The only reason I did that was metabones speed booster. I now have two GH4s and both have metabones speed booster for Nikon lenses. I use fast prime lenses and the image is amazing. After spending a lot of money on Lumix f2.8 12-35 lens .. I know every penny is worth it for the metabones. Adding one stop on a camera that is poor the least in low light, is priceless.

          • Was this a gift?:
          • No

          Share this review

           
          5.0

          A must if you have a GH4

          By AllyCat

          from Illinois

          Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

          This booster makes the GH4 worth it's price.
          The extra stop it give you boosts the image quality to help make your cinematic visions come to life. Worth the extra dollars for the items quality.

          Share this review

           
          5.0

          As advertised. One extra stop of light.

          By Jet City Saint

          from Seattle/New Orleans

          About Me Pro Photographer

          Verified Buyer

          Pros

          • Compact
          • Durable
          • Easy to Use
          • Good Video Quality
          • Great Picture Quality
          • Lightweight

          Cons

            Best Uses

              Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

              The Metabones Speedbooster is a must have if you own a micro 4/3's mount camera like the Panasonic GH4. It really changes the poor low light performance and makes the crop sensor full frame.

              Simply attach it to your camera and your lens to it, and you are good to go.

              I love being able to use all my vintage Nikkor glass on a state of the art camera like the Panasonic GH4 and the BMPCC. The only thing not great about it is no auto focus, but in video I manually pull my own focus.

              • Was this a gift?:
              • No

              Share this review

              (2 of 2 customers found this review helpful)

               
              3.0

              Quality Product but........

              By ibmradio.

              from Clyde, Ohio

              About Me Semi-pro Photographer

              Verified Buyer

              Pros

              • Durable
              • Easy to Use
              • Good Video Quality
              • Lightweight

              Cons

              • Soft wide open

              Best Uses

                Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                Works nice to open up the world of Nikon F glass to my GH4. However, I do find it somewhat soft wide open. Wish it was a tad sharper in the wide open position. Doesn't seem to matter which lens. From Zeiss to Nikon it doesn't maintain sharpness when you are trying to get that extra stop of light that is it's main selling point.

                • Was this a gift?:
                • No

                Share this review

                 
                5.0

                Works great with Panasonic GH4!

                By psalter1

                from Columbia, SC

                About Me Pro Photographer

                Verified Buyer

                Pros

                  Cons

                    Best Uses

                      Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                      Using this with my nikon lenses and GH4. Works great! Manual focus took a little getting used to but is now fairly easy. Very good build quality.

                      Share this review

                      (1 of 1 customers found this review helpful)

                       
                      5.0

                      Works great

                      By GandalfTheGrey

                      from Milwaukee WI

                      Verified Buyer

                      Pros

                      • Durable
                      • Easy to Use
                      • Great Picture Quality

                      Cons

                        Best Uses

                          Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                          Works great, no problems. Does exactly what it's supposed to do. I noticed a slight wiggle between the camera mount (gh4) and metabones adapter but I'd rather have a little play than something being too tight. It might be manufactured this way on purpose?

                          • Was this a gift?:
                          • No

                          Share this review

                           
                          5.0

                          Excellent product

                          By BruceMagnetic

                          from Phoenix, AZ

                          About Me Pro Photographer

                          Verified Buyer

                          Pros

                          • Durable
                          • Easy to Use

                          Cons

                            Best Uses

                            • Video

                            Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                            This is a fabulous accessory to interface my Nikon lenses with the Panasonic GH4 camera. I wanted to be able to use my Nikon lens collection with the MFT lens mount on the GH4 and it works really well, especially since it adds one F-stop of light/brightness to the GH4.

                            • Was this a gift?:
                            • No

                            Share this review

                            (2 of 2 customers found this review helpful)

                             
                            5.0

                            Fitting it on the Panasonic AF100

                            By FAISAL ALMAIMAN

                            from Saudi Arabia - Makkah

                            About Me Pro Photographer

                            Verified Reviewer

                            Pros

                            • Compact
                            • Durable
                            • Easy to Use
                            • Great sharpness
                            • Lightweight
                            • Solid

                            Cons

                              Best Uses

                              • Landscape/Scenery
                              • Video
                              • Weddings/Events

                              Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                              [BEWARE]
                              I have the Panasonic GH3 and the AF100. Please pay attention that this adapter DOESN'T actually fit on the AF100. The back element in the adapter is protruding too much and hits the sensor of the camera.
                              I use it on the gh3 and it works and fits perfectly.

                              • Was this a gift?:
                              • No

                              Share this review

                              (1 of 1 customers found this review helpful)

                               
                              5.0

                              Excellent Accessory

                              By Hoang Nguyen

                              from Tampa, FL

                              About Me Pro Photographer

                              Verified Reviewer

                              Pros

                              • Compact
                              • Durable
                              • Easy to Use
                              • Great Picture Quality

                              Cons

                                Best Uses

                                • Family Photos
                                • Video
                                • Weddings/Events
                                • Wildlife Photos

                                Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                                I bought this adapter so that I could mount my Sigma Art lenses on the Panasonic GH4. I would like to share my experience and pictures with you in this blog that I made, comparing the gh4+metabones+50mm sigma art with the Nikon d800+85mm f-----------

                                • Was this a gift?:
                                • No

                                Share this review

                                (1 of 1 customers found this review helpful)

                                 
                                5.0

                                Metabones Micro Four thirds Nikon Mount

                                By Chance001

                                from Houston

                                Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                                The Metabones Speedbooster for Micro Four Thirds camera (Nikon G F Mount) is a must have if your using Nikon glass. It gives you increased F stop and wider field of view. I'm using this with as Panasonic Af100 and GH4.

                                Share this review

                                (1 of 8 customers found this review helpful)

                                 
                                4.0

                                Beware of no AF

                                By What the Focus!?

                                from Earth

                                About Me Photography Student

                                Pros

                                • Durable
                                • Easy to Use
                                • Good Video Quality
                                • Great Picture Quality

                                Cons

                                  Best Uses

                                    Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                                    I use the SpeedBooster to link Nikon Glass to my GH3 and it does the job but doesn't allow for auto-focus which kind of blows when Im using my 80-200mm and trying to set the shot as quickly as possible. I havent had shots ruined because of this fact but it is something that I would like to see developed in the future .

                                    Share this review

                                     
                                    5.0

                                    A "must" in a dslr filmmaker bag!!!

                                    By cesarluisfilms

                                    from venezuela

                                    About Me Pro Photographer

                                    Verified Buyer

                                    Pros

                                    • Compact
                                    • Durable
                                    • Easy to Use
                                    • Great Picture Quality

                                    Cons

                                      Best Uses

                                      • Video

                                      Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                                      i started using this speedbooster on my GH4 and the results are really great!!! this is definitely somothing you must have if you are into filmmaking!!

                                      • Was this a gift?:
                                      • No

                                      Share this review

                                       
                                      5.0

                                      Works just how it describes

                                      By Bluespider

                                      from California

                                      About Me Pro Photographer

                                      Verified Buyer

                                      Pros

                                      • Compact
                                      • Easy to Use
                                      • Good Video Quality
                                      • Great Picture Quality

                                      Cons

                                        Best Uses

                                          Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                                          I have no issue with this speedbooster. This is my second one and this time its for my gh4. Wish it was cheaper but its all good. Makes your 2.8 lens even faster and wider. Plain n simple.

                                          • Was this a gift?:
                                          • No

                                          Share this review

                                          (1 of 1 customers found this review helpful)

                                           
                                          4.0

                                          Great well thought out adapter.

                                          By Wynwood Max

                                          from Miami

                                          About Me Pro Photographer

                                          Verified Buyer

                                          Pros

                                          • Compact
                                          • Durable
                                          • Easy to Use
                                          • Good Video Quality
                                          • Great Picture Quality
                                          • Lightweight

                                          Cons

                                            Best Uses

                                            • Video

                                            Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                                            I use it on my gh4, and its been great so far. The apeture ring doesn't click, its very smooth, perfect for video. I just wish it was an active adapter, and supported EF so i can remotely focus using the wifi when mounted on a drone or camera stabilizer.

                                            • Was this a gift?:
                                            • No

                                            Share this review

                                             
                                            5.0

                                            Does everything as advertised

                                            By Tara

                                            from Tallahassee, FL

                                            About Me Photo Enthusiast

                                            Verified Buyer

                                            Pros

                                            • Compact
                                            • Durable
                                            • Good Video Quality
                                            • Great Picture Quality

                                            Cons

                                              Best Uses

                                              • Family Photos
                                              • Landscape/Scenery
                                              • Sports/Action
                                              • Video
                                              • Weddings/Events
                                              • Wildlife Photos

                                              Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                                              I got this to use with some legacy Nikon lenses on my GH4, and it works great! I like that you have the choice of using the aperture ring on the lens or the ring on the Speed Booster. Wish that Metabones included instructions, but I emailed the company and some days later received the following (Have no idea how he knew my nickname...):

                                              "Hi T,

                                              Sorry! We have not manual or instruction for all adapter and speed booster now.

                                              Are you have problem on use?

                                              For the aperture adjust, if you use a Nikon F Lens, you need set your Lens aperture to full close when use the adapter ring to control iris,
                                              other wise, set the adapter ring to "7" when use Lens ring to control iris.

                                              Thank you!

                                              Alex
                                              GBi Ltd"

                                              • Was this a gift?:
                                              • No

                                              Share this review

                                               
                                              5.0

                                              "Perfect Fit"

                                              By Dan H

                                              from Heathrow,FL

                                              About Me Pro Photographer

                                              Verified Buyer

                                              Pros

                                              • Compact
                                              • Durable
                                              • Easy to Use
                                              • Great Picture Quality

                                              Cons

                                                Best Uses

                                                  Comments about Metabones Nikon G & F Lens to Micro Four Thirds Mount Camera Speed Booster:

                                                  I have purchased 3 different adapters for my Nikon lenses to use with my AF-100 and GH4, this is the only one I will continue to use. Yes it was more money however, the other 2, one was too tight, and the other too loose.
                                                  GREAT PRODUCT

                                                  • Was this a gift?:
                                                  • No

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