Metabones released a new 0.50x Speed Booster adapter for the Pentax Q mirrorless camera. It’s called the “Devil’s Speed Booster” because it permits a world record f/0.666 lens speed when a f/1.2 lens is attached. Even “ordinary” f/1.4 lenses will give you f/0.7 output.
Metabones adapters are sold at Amazon and B&H.
Metabones Nikon G to Pentax Q Speed Booster Q666 0.50x specifications:
- Model Code: MB_SPNFG-Q-BM1
- Color: Black Satin exterior; Black Matte interior
- Magnification: 0.50x
- Crop Factor for Pentax Q, Q10: 2.8x
- Crop Factor for Pentax Q7, Q-S1: 2.3x
- Maximum Output Aperture: f/0.666 (with f/1.2 lens attached)
- Rectilinear Distortion: < 0.666%
- Lens Elements/Groups: 6/4
- Length Reduction: 10.1 mm
- Supported Cameras: Pentax Q, Q10, Q7, Q-S1
- Camera Mount: Pentax Q-mount
- Image Format: 7.44 mm x 5.58 mm (1/1.7”)
- Lens Mounts: Nikon F/G
- Lens Compatibility: Any full-frame (36 mm x 24 mm format) or DX format (APS-C) lens with the appropriate mount can be used.
- Special Features: Long-throw clickless aperture ring on Nikon F/G version
- Dimensions: 27 x 76 x 72mm for Nikon F/G version
- Weight: 193 grams for Nikon F/G version
- Tripod Mount: Robust removable type with Arca Swiss compatibility
Press release:
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