Metabones Nikon G to X-Mount Speed Booster ULTRA Adaptor
- Adapts Nikon G to X-Mount Camera
- Increases Maximum Aperture by 1 f/Stop
- Ultra-High Index Tantalum-Based Glass
- Built-In Clickless Aperture Control Ring
- Increases Angle of View by 0.71x
- Integrates 5 Element/4 Group Optical Design
- Detachable Tripod Foot
- Black Matte Interior and Black Exterior
- 12 Months Genuine Australian Warranty
The Metabones Nikon G to X-Mount Speed Booster ULTRA Adaptor is an improved speed booster that integrates 5 element/4 group optical design and yields ultra-high index tantalum-based glass. The Speed Booster ULTRA adapts a full frame Nikon G to X-Mount Camera and for that, increases the maximum aperture by one f/stop and as well increases angle of view by 0.71x. It comes with a detachable tripod foot made to be compatible with Arca Swiss, Markins, Photo Clam ball heads. Metabones adaptors are built to have black matte interior and black exterior to minimize the internal reflection and maintain the optical quality of the lens. An 8-stop built-in clickless aperture control ring provides manual control of aperture from the speed booster.
8-stop range markings
Industry's best aperture ring covers a 8-stop range markings, clearly indicating actual number of f-stops. No more guesswork!
Compatible with Nikkor G lens & F lens
Compatible with both Nikkor G lens & F lens (include non-AI & AI lens mounts).
Maximum aperture
Increase maximum aperture by 1 stop.
MTF
Increase MTF.
Wider lens
Makes lens 0.71x wider.
Ultra-high index tantalum-based optical glass
Advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA.
Detachable tripod foot
The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads.
Made of brass, precision-machined and plated with chromium
Both camera-side and lens-side of the adapter are made of brass, precision-machined and plated with chromium.
Satin surface finish
Satin surface finish - just like your OEM lens and camera mounts.
Precise fit and solid connection
Lens has no play, gap or wiggling when mounted on adapter and no adjustments are required to fit your lens.
Reaches infinity focus
Designed to reach infinity focus while maintaining the correct registration distance required to maintain optical quality of CRC lenses or lenses with floating elements.
True electronic integration of aperture diaphragm
True electronic integration of aperture diaphragm - let camera automatically choose aperture in P or S exposure modes, or dial in yourself on the camera body in A or M modes.
EXIF data
EXIF data such as lens identification, focal length and aperture.
| Lens Mount | Nikon F-Mount G to X-Mount Camera |
| Magnification | 0.71x |
| Maximum Aperture | f/0.90 (with f/1.2 lens attached) |
| Crop Factor | With APS-C format camera: 1.07x |
| Optical Construction | 5 Elements/4 Groups |
| Rectilinear Distortion | < 1% |
| Tripod Mount | Removable with Arca Swiss compatibility |
| Length Reduction | 0.17" (4.2 mm) |
| Weight | 6.8 oz (193 g) |
Metabones Nikon G to X-Mount Speed Booster ULTRA Adaptor
Front Cap
Rear Cap
Detachable Tripod Foot
12 Months Genuine Australian Warranty
SKU: Metabones Nikon G-X-Mt Spd Bstr Ult
UPC:
