SUMMARY
The Viltrox AF 40mm f/2.5 is a new addition to the Air series for L-Mount users, emphasizing lightweight design and image quality. Weighing 169g, it features a compact polycarbonate body with a metal mount and a USB-C port for firmware updates. The lens has a 40mm focal length, an f/2.5 maximum aperture, and an STM autofocus motor for fast, quiet performance. While it lacks internal weather sealing and a physical aperture ring, its internal focusing and durable build make it a versatile option for everyday carry and various photography genres.
TAKEAWAYS
The Viltrox AF 40mm f/2.5 L-Mount lens weighs 169g, making it highly portable.
It features a focus-by-wire system and internal focusing, with a USB-C port for firmware updates.
The lens offers a 40mm focal length with an f/2.5 maximum aperture and an STM autofocus motor.
Build quality includes a polycarbonate body and a metal lens mount, but lacks internal weather sealing.