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Metabones ROLLEI QBM to X-mount Speed Booster ULTRA 0.71x
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Or ask about:
| Type of Product | Lens converters |
| Adapter is for cameras | for Fujifilm X cameras |
| Adapter is for lenses | for other lenses |
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Overview
The Metabones Rollei QBM to Fujifilm X-mount Speed Booster ULTRA 0.71x enhances lens performance by reducing crop factor and increasing aperture by 1 stop. Featuring advanced optical design, it delivers sharper images, wider field of view, and improved low-light capability for Fuji X cameras.
Performance
The Metabones Rollei QBM to Fujifilm X-mount Speed Booster ULTRA 0.71x (Black Matt) is a high-performance optical adapter designed to maximize the capabilities of Rollei QBM lenses on Fujifilm X-mount cameras. Incorporating an advanced 5-element/4-group optical design with ultra-high index tantalum-based glass, it significantly improves image quality with sharper corners, reduced distortion, and minimized vignetting.
With a 0.71x magnification factor, this Speed Booster effectively reduces the crop factor of APS-C cameras from 1.5x to approximately 1.07x, delivering a wider field of view closer to full-frame performance. Additionally, it increases the maximum aperture of the attached lens by 1 stop, improving low-light performance and enabling shallower depth of field.
Engineered to perform exceptionally well with both zoom and prime lenses, the Speed Booster ULTRA transforms lenses such as a 50mm f/1.2 into approximately a 35.5mm f/0.9 equivalent, offering outstanding clarity and contrast from center to edge. Built with precision and durability in mind, it ensures a secure fit and reliable operation for professional photography and videography.
Key Features
- Adapts Rollei QBM lenses to Fujifilm X-mount cameras
- 0.71x magnification reduces crop factor (APS-C to near full-frame view)
- Increases maximum aperture by 1 stop
- Advanced 5-element/4-group optical design
- Ultra-high index tantalum-based optical glass
- Improved sharpness, contrast, and edge-to-edge performance
- Reduces distortion and vignetting
- Ideal for both zoom and prime lenses
- Precision construction for secure and stable mounting
Specifications
- Item Type: Speed Booster ULTRA Lens Adapter
- Camera Compatibility: Fujifilm X Mount
- Lens Compatibility: Rollei QBM Mount
- Magnification: 0.71x
- Exposure Gain: +1 Stop
- Optical Design: 5 Elements in 4 Groups
- Electronic Communication: No
- Finish: Black Matt
