Metabones Leica R - X-Mount Speed Booster Ultra (0.71X)

Metabones Leica R - X-Mount Speed Booster Ultra (0.71X) | Built for a specific lens-to-camera pairing

When a Leica R lens is already in your kit and the camera you want to use has an X-Mount, this is the kind of converter to consider: the Metabones Leica R - X-Mount Speed Booster Ultra (0.71X). Its name identifies the two sides of the pairing, so you can quickly see whether it’s relevant to your setup. The 0.71X marking is the key figure: it tells you the reduction factor specified for this Speed Booster. That makes the product a focused option for photographers choosing a converter around an existing Leica R lens, rather than looking for an accessory described only in general terms. I’d start with those details—the lens mount, the camera mount and the stated factor—when deciding if this is the right model for your kit.

The specific pairing is useful when you’re narrowing down lens-adaptation options. Read the title as Leica R on the lens side and X-Mount on the camera side, then consider whether that connection matches the equipment you plan to use. The Speed Booster Ultra name identifies this particular model, while its 0.71X figure gives you a concrete point of reference for comparing converter options. There’s no need to make the choice more complicated than that: match the two mounts first, then think about whether the stated reduction factor suits your intended use. If those details line up with your setup, this converter gives you a clearly labelled route between the two systems. It’s a specialist accessory, so the value here is in that precise pairing—not in trying to cover every possible combination.

Technical Specifications

• Product type: Converter
• Lens mount: Leica R
• Camera mount: X-Mount
• Reduction factor: 0.71X