Metabones Nikon F-Mount Lens to Sony E-Mount Camera Speed Booster ULTRA

Metabones Nikon F-Mount Lens to Sony E-Mount Camera Speed Booster ULTRA

Metabones Nikon F-Mount Lens to Sony E-Mount Camera Speed Booster ULTRA

B&H # MESPNFGEBM2 MFR # MB_SPNFG-E-BM2
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Product Highlights

  • Nikon F-Mount Lens to Sony E-Mount Camera
  • Ultra-High Index Tantalum-Based Glass
  • Increases Maximum Aperture by 1 f/Stop
  • Increases Angle of View by 0.71x
  • Built-In Long-Throw Clickless Aperture Ring
  • Compatible with Nikon G Lenses
  • Infinity Focus Adjustment
  • Detachable Tripod Foot
  • Black Matte Interior; Black Exterior
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  • 1Description

The Nikon F-Mount Lens to Sony E-Mount Camera Speed Booster ULTRA from Metabones improves upon the original Metabones Speed Booster with a 5 element/4 group optical design that incorporates ultra-high refractive index tantalum-based glass for improved sharpness and reduced distortion and vignetting. The Speed Booster ULTRA allows a full frame Nikon F-Mount lens to be mounted to an APS-C format E-Mount camera and in doing so, increases the angle of view and increases the maximum aperture by approximately one f/stop. It is compatible with NIKKOR F mount and F Mount G lenses including AI and non-AI mounts.

When a lens intended for full frame sensors or 35mm film is mounted to a camera with an APS-C sized sensor, it transmits a larger area of light than the smaller sensor was built to accept and therefore the effective angle of view of the lens decreases. The Speed Booster condenses light from the lens and projects it onto the APS-C sensor allowing the sensor to utilize all of the lens' light and effectively reduces the crop factor of and APS-C E-Mount camera from 1.5x to 1.07x, producing a full-frame angle of view with an APS-C 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 side 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. A built-in clickless aperture control ring enables manual control of aperture from the speed booster. This 8-stop ring with clearly marked 1/2-stop markings is shipped as clickless. These speed boosters are only fully compatible with mirrorless cameras housing APS-C or smaller image sensors. They will physically fit the Sony full frame mirrorless cameras, but the camera must be set in Crop Mode to fully support the speed booster's functions.

Allows a full frame Nikon F-Mount lens to be mounted to an E-mount APS-C format camera and in doing so, increases the angle of view and increases the maximum aperture by one f/stop.
The Speed Booster ULTRA design incorporates ultra-high index tantalum-based optical glass for enhanced optical performance with improved corner sharpness and reduced distortion and vignetting. This glass technology and optical design perform extremely well with professional-grade f/2.8 zoom lenses and high-speed fixed focal length lenses such as a 50mm f/1.2 which will perform as a 35.5mm f/0.9 lens with high contrast and resolution from the center to the edges of the image.
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. Both the camera-side and the lens-side of the speed booster are made of brass which is precision-machined and chrome-plated.
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 exterior features a black satin surface finish.
A built-in clickless aperture control ring enables manual control of aperture from the speed booster. This 8-stop ring with clearly marked 1/2-stop markings is shipped as clickless.
The speed booster is compatible with NIKKOR F mount and F Mount G lenses including AI and non-AI mounts.
Designed to reach infinity focus while maintaining the correct registration distance required to maintain optical quality of CRC lenses or lenses with floating elements.
The speed booster features a detachable tripod foot which is compatible with Arca Swiss, Markins, 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.
In the Box
Metabones Nikon F-Mount Lens to Sony E-Mount Camera Speed Booster ULTRA
  • Front Cap
  • Rear Cap
  • Detachable Tripod Foot
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Lens Mount Nikon F-Mount
    Magnification 0.71x
    Crop Factor With APS-C format camera: 1.07x
    Maximum Aperture f/0.90 (with f/1.2 lens attached)
    Rectilinear Distortion < 1%
    Optical Construction 5 Elements/4 Groups
    Length Reduction 0.17" (4.2 mm)
    Tripod Mount Removable with Arca Swiss compatibility
    Weight 6.8 oz (193 g)
    Packaging Info
    Package Weight 0.8 lb
    Box Dimensions (LxWxH) 4.3 x 4.3 x 2.4"
    Nikon F-Mount Lens to Sony E-Mount Camera Speed Booster ULTRA is rated 4.1 out of 5 by 14.
    Rated 5 out of 5 by from Works as advertised I have some other METABONES lens adapters for Nikon/BMPC and Nikon/M43. To mount and dismount the lens from the adapter was slightly hard to the point that I feared damaging the lenses. It was too tight. This METABONES ULTRA works perfectly and you can remove the lens from the adapter much more easily. If you have for instance a Sony PXW-FS5 (not at ease in very low light conditions), the use of this adapter is a plus. It brings more light in. I really see the difference with a T1,5 lens between a classical adapter without optical magnifier and the METABONES ULTRA. It brings my sensor into a better low light capability.
    Date published: 2016-09-10
    Rated 4 out of 5 by from Incompatible with Nikkor E Lenses I purchased the Metabones Nikon F-Mount Lens to Sony E-Mount Camera Speed Booster Ultra so that I could use all of my Nikon f/2.8 DSLR lenses on my Sony FS5 video camera. I understood that the Metabones had no electronic communication between lens and camera, but the F stop ring on the booster would make it possible to adjust the lens aperture. It works great on all of my G lenses. However, I was dismayed to discover that it did not work with my Nikon AF-S 24-70mm f/2.8 E ED VR lens. Since the E type lenses use an electromagnetic signal to adjust the aperture leaves, the mechanical aperture ring on the Metabones does not change the aperture on Nikkor E lenses.
    Date published: 2017-07-13
    Rated 4 out of 5 by from Works as advertised with one random kink... Randomly it does not allow lens to fully lock, I have not had enough time to see exactly what is causing the issue but it has continued to pop up every so often. Other than that it is exactly as advertised and works greatly.
    Date published: 2015-06-03
    Rated 5 out of 5 by from Does Exactly What It's Supposed To While it would be nice to spend less on this task, this is a real piece of glass mounted in a well-machined, precision housing with very good lens/body interfaces. I'm thrilled with the results this device brings when I mount my Nikon F-style lenses on a new Sony FS700 video camera. Wonderful.
    Date published: 2015-01-01
    Rated 5 out of 5 by from Really happy with this so far Works great on my FS7ii. Used it with my Nikon 70-200 f2.8, 24-70 f.2.8 and Sigma 35 f1.4 Art lens. Works perfectly and I love the extra stop and .71x crop. Make sure to mount a lens with the adapter set to f7!!!
    Date published: 2017-06-19
    Rated 5 out of 5 by from Worth every dollar! Consider this an investment that is worth it. It gives my Nikon lenses an extra F-stop of brightness and makes the width closer to full frame on my FS5 Super 35 camera. Crystal clear! If you want to use your Nikon glass on a Sony a-mount, this is a must for sure, it's worth the money.
    Date published: 2016-06-01
    Rated 5 out of 5 by from Quality Product Excellent product. Shines above the rest. Quality grade build. All metal, very sturdy. Backed up by the excellent staff and world renowned B&H Staff. Why wait to buy?
    Date published: 2015-06-04
    Rated 3 out of 5 by from Well made, great optics, poor interface I purchased this following recommendations of other photographers, I purchased this to interface my Nikon lenses (of which I have 10), to avoid spending $ -$ for 3 of the equivalent focal length lenses. The optics are excellent and the added bonus is that you'll actually increase the speed of the lens you use. (i.e.: an f 2 lens almost increases a full stop to f 1.4!) The issues I have is that 1. its very expensive (almost $.), 2. very poor documentation and instructions, none came in the box and going to their website only provided me with about half the information I was seeking. 3. No interface, you must focus manually and f stop focal length data is NOT transmitted, 4. must be used in APS mode on full sized sensors, 5. f stop settings are only indicated of by general numbers 1-7, each being a stop but... it fits well, it's sharp (if you are properly focused) and you have a faster lens. If this adapter had auto focus options and exif data transmitted I'd give it 5 stars.
    Date published: 2016-01-18
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