Tag Archives: Metabones 0.50x Speed Booster adapter for Pentax Q mirrorless camera

New Metabones 0.50x Speed Booster for Pentax Q (0.5x magnification and world-record f/0.666)

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 […]

Posted in Accessories, Pentax Q | Tagged | 27 Responses