After stepping into the world of mirrorless cameras, you'll quickly realize their revolutionary compact size is just the beginning. Their true power lies in their versatility, especially when it comes to mounting lenses. With the Fotodiox Pro Lens Mount Adapter, you can unlock a world of possibilities, bridging the gap between your Arri Bayonet (Arri-b) mount lenses and C-Mount (1"" Screw Mount) Cine and Cctv Camera Body. This adapter is not just a connector it's a gateway to hundreds of modern and vintage lenses, expanding your creative horizons. Engineered for precision, it delivers infinity focus and manual aperture control, ensuring you capture the perfect shot every time. Constructed with durability in mind, the Fotodiox Pro Lens Mount Adapter boasts a sturdy build for lasting quality. It's designed to withstand the rigors of professional use, making it a reliable addition to any photographer's toolkit.