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The Metabones Canon EF to RF-mount T Speed Booster ULTRA 0.71x enhances Canon EF lenses for RF-mount cameras, improving aperture and field of view.
Metabones Canon EF to RF-mount T Speed Booster ULTRA 0.71x
Product ID: 5373
SKU: 5373
Model: MB_SPEF-EFR-BT1
Ean: 4897050182574
Condition: New product
Manufacturer: Metabones
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| Type of Product | Lens converters |
| Adapter is for cameras | Canon R (RF) |
| Adapter is for lenses | Canon EF/EF-S lenses |
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Product details
Metabones Canon EF to Canon RF-mount T Speed Booster ULTRA 0.71x (EOS R)
This adapter enables the use of Canon EF lenses on Canon RF-mount cameras, enhancing the maximum aperture, expanding the field of view, and maintaining full autofocus functionality.
Optical Features
- 0.71x magnification factor
- Increases maximum aperture by 1 stop, up to f/0.9
- Enhanced Modulation Transfer Function (MTF) for sharper image detail
- Wider field of view compared to native mount
- Constructed with 5 optical elements arranged in 4 groups using tantalum-based optical glass
Electronic Features
- Full autofocus support including Dual-Pixel Autofocus (DPAF) and video autofocus
- Transmission of EXIF data between lens and camera
- Support for image stabilization (IS) lenses
- Multi-function control wheel for customizable operation
- LED indicator for communication status
- Powered directly by the camera body
- Compatible with cinema cameras for professional video applications
Mechanical and Build Quality
- Detachable tripod foot compatible with Arca Swiss quick-release systems
- Flocked interior surface to reduce internal reflections and flare
- Rubber gasket providing dust and moisture protection
- Durable construction using aluminum alloy and brass materials
- Finished with satin black matte coating for reduced glare and professional appearance
