SIRUI Astra 50mm T1.8 1.33X Anamorphic Prime Lens, Full-Frame Autofocus Cine Lens with Large Aperture for L-Mount Cameras, for S5, S9, S1R, S1H, fp L, fp, SL2 (Neutral Flare)

Price: £883.26
(as of Jun 20, 2026 09:22:26 UTC – Details)

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Full-Frame Autofocus Anamorphic Lens: SIRUI Astra anamorphic lens features a 44mm image circle design, which fully covers full-frame CMOS sensors and is compatible with mainstream mirrorless camera systems such as APS-C and S35, while also meeting the professional needs of high-end filmmaking. It is an ideal choice for professional filmmakers, discerning photographers, and content creators.
1.33x Anamorphic for Native Cinematic Widescreen:The lens offers a 1.33x anamorphic squeeze, delivering a true 2.4:1 cinematic aspect ratio directly—without cropping or losing pixels. Its signature look includes oval bokeh, vertically stretched background blur, and selectable blue or neutral lens flares, adding a distinct cinematic texture to every shot.
Exceptional low-light performance: The T1.8 large aperture combined with a 50mm telephoto lens significantly highlights the subject and creates a cinematic compression effect. It’s ideal for shooting expressive portraits, close-ups (eyes, hands), stage performances, and objects that require shooting from a distance. Minimum focusing distance: 0.5m.
Eye/Face AF with STM Motor：Featuring a high-speed STM motor, this lens delivers reliable autofocus for both video and photos. It ensures stable focus in any setting—from interviews to studios—through AF/MF switching, a distance scale, and focus tracking. For precise control, it also includes dedicated aperture adjustment, lock, and customizable buttons.
Lightweight, robust cine design for mobile setups: Weighing approximately 620–716 g, with an aluminum housing, 67mm filter thread, and weather-sealed construction, this lens is ideal for travel, gimbal, and handheld shooting. Included in the box: lens, case, lens caps, cleaning cloth, warranty card. 30-day return policy, 6-year warranty.
Compatibility: This automatic anamorphic prime lens is designed specifically for Sony cameras, compatible for S5, S9, S1R, S1H, fp L, fp and SL2. Even ordinary snapshots will stand out from conventional images, providing the satisfaction of effortlessly capturing stunning photos.