Sigma High-Speed 50mm T1.5



by Sigma  |  MFR #311974

Instant savings available through 12.31.2025

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Product Features
• Fast T1.5 aperture
• 180° focus rotation
• FF, VV, LF Coverage
• Robust Mechanical Design
• Excellent aberration control
• Color balanced across the lineup
  • Sigma High-Speed 50mm T1.5

    The Sigma Cine 50mm T1.5 is a classic normal prime that delivers a balanced, natural perspective ideal for dialogue scenes, close-ups, interviews, and narrative storytelling. On full-frame cinema sensors, the 50mm provides a familiar field of view that feels authentic to human vision, making it a versatile go-to lens across production styles. The fast T1.5 aperture offers strong low-light performance and controlled depth separation, allowing subjects to be isolated while maintaining a grounded sense of space.

    Optically, the 50mm delivers high resolution, clean contrast, and minimal chromatic aberration for consistent image quality. Mechanically, it aligns with the Sigma Cine standard: a 95 mm front diameter, matched gear positions across focal lengths, and a smooth 180° focus rotation for precise, repeatable pulls. Available in ARRI PL, Canon EF, and Sony E mounts, it supports each mount’s native metadata communication protocols. With robust all-metal construction built for professional use, the 50mm T1.5 is a dependable foundation lens in the Sigma Cine lineup.

    Founded on the success of the Sigma ART line of lenses, the Sigma Cine Primes range from 14mm to 135mm, all with a common T1.5 maximum aperture (T2.0 for the 14mm and 135mm). With a more than adequate 180 degree focus rotation and a robust mechanical design, the Sigma Cine Primes are an excellent choice for a wide variety of production situations - from small indie projects, up to feature films. Built from scratch, entirely in Sigma's Aizu factory, the Sigma Cine Primes are a tool that cinematographers and ACs are sure to embrace.

    Quality Check Process

    Confidence included! Every lens purchased from Duclos Lenses has been checked for quality by our expert cinema lens technicians. This process ensures you only receive the best that Sigma has to offer. Learn more about our QC Process.

    2 Years of Service+

    Every new lens purchased from Duclos Lenses includes 2 years of our Service+ Program. Enjoy routine checkups and maintenance from the technicians who know your lenses best, keeping your optics clean, calibrated, and ready for every project. Learn more about Service+.

  • - Sigma High-Speed 50mm T1.5 Lens
    - Front/Rear Caps
    - 1 Year Sigma manufacturer warranty.
    - 2 Year Duclos Service+ Program.

  • Technical Specs
    Focal Length 50mm
    Max Aperture T1.5
    Format Full Frame / Vista Vision
    Image Circle* Ø43.3mm*
    Lens Mount PL, EF, E
    Min. Focus 1'4"
    Front Dia. 95mm
    Filter Thread 82mm
    Iris Blades 9
    Optical Layout
    Body Material Anodized Aluminum
    Data Protocol Cooke /i (PL only)
    Length 3.8"
    Weight 2.7 lbs.

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