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The Metabones Speed Booster ULTRA 0.71x reduces crop factor and enhances lens performance.
Metabones Nikon G to Nikon Z-mount Speed Booster ULTRA 0.71x
Product ID: 49877
SKU: 49877
Model: MB_SPNFG-NZ-BM1
Ean: 4897050182581
Condition: New product
Manufacturer: Metabones
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| Type of Product | Adapters for lens |
| Compatible | Nikon Z-mount |
| Compatible | Nikon F-mount |
| Lens Format Coverage | APS-C |
| Lens Format Coverage | Full Frame |
| Focus Type | Manual Focus |
| Adapter type | speed booster |
| Adapter is for cameras | for Nikon Z cameras |
| Adapter is for lenses | Nikon lenses |
| Material | Brass and aluminum |
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Product details
Overview
The Speed Booster ULTRA has a magnification of 0.71x, effectively reducing the crop factor of mirrorless cameras with DX-sized sensors from 1.5x to 1.07x. This design utilizes advanced materials and is well-corrected for use with virtually all full-frame SLR lenses, regardless of exit pupil distance.
Performance
It performs exceptionally well with professional-grade f/2.8 zoom lenses, transforming them into high-speed zooms. For example, a 24-70mm f/2.8 lens becomes a 17-50mm f/2.0, and a 70-200mm f/2.8 lens becomes a 50-142mm f/2.0. High-speed fixed focal length lenses, such as a 50mm f/1.2, are converted into a 35.5mm f/0.9 lens with excellent contrast and resolution.
Key Features
- Nikon F mount lens to Nikon Z-mount APS-C camera compatibility (e.g., Nikon Z50, Z fc).
- Compatible with both Nikkor G and F lenses (including non-AI and AI lens mounts).
- Best-in-industry clickless aperture ring covering an 8-stop range, eliminating guesswork (patent granted).
- 5-element/4-group optical design with ultra-high index tantalum-based optical glass.
- Increases maximum aperture by 1 stop and enhances MTF.
- Makes lens 0.71x wider.
- Constructed from aluminum alloy and brass with chromium plating.
- Rubber gasket protects the Z-mount connection from dust and moisture.
- Satin surface finish.
- Detachable Arca-Type tripod foot compatible with various ball heads.
