Sirui 35mm F1.4 AURORA Full-Frame AF Lens X-mount+62mm UV filter

• The 35mm focal length is a true all-rounder, serving as a reliable tool for capturing street scenes, landscapes, and reportage, while also being a strong creative contender for fashion and portrait photography.
• The fast f/1.4 maximum aperture benefits working in low-light conditions; additionally, it helps to control depth of field and produce selective focus effects.
• The built-in STM motor provides accurate and stable focus tracking with minimal focus breathing, ideal for video production.

Optical Design

• Three Aspherical lenses correct spherical and edge color aberrations.
• Two ED lenses minimize chromatic dispersion and aberration for natural color.
• One HRI lens reduces glare, chromatic aberration, and purple fringing.
• 13-bladed diaphragm for creating a smooth, impressive bokeh effect.
• Features 16 lens elements in 11 groups.

Physical Attributes

• The Click On/Off button enables de-clicking the physical aperture ring for smooth, silent aperture switching to benefit video applications.
• The Iris Lock button locks the aperture at a specific manual setting or toggles between auto and manual control.
• The FN button enables focus lock when held down or can be set to a custom function.
• The AF/MF button enables toggling between autofocus and manual focus.
• The electronic contacts support Exif data transmission.
• The USB-C port built into the lens mount supports firmware upgrades.