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Sirui VP-1 Vision Prime 50mm T1.4 Full-Frame Cine Lens

The Sirui VP-1 is a 50mm f/1.4 lens designed for Sony E, Canon RF, Nikon Z, L Mount Alliance mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Sirui VP-1 Vision Prime 50mm T1.4 Full-Frame Cine Lens

Sirui VP-1 Vision Prime 50mm T1.4 Full-Frame Cine Lens

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Lens Overview — Sirui VP-1

The Sirui VP-1 Vision Prime 50mm T1.4 is a full-frame cinema prime lens built for professional videographers and filmmakers who demand precise, repeatable control. Rated at T1.4, this is a calibrated T-stop measurement rather than a simple f-stop, giving cinematographers accurate exposure consistency across a matched set of lenses — a critical advantage on professional productions. The 50mm focal length sits in the standard range, making it a versatile choice for narrative, documentary, and commercial work on full-frame camera systems.

Lens mount options cover Sony E, Canon RF, Nikon Z, and L-Mount, giving shooters broad compatibility across today's most popular mirrorless platforms. Focus is entirely manual, which is standard practice in cinema production where follow-focus systems and focus pullers are part of the workflow. The lens accepts 82mm filters, accommodating matte boxes and standard filter systems commonly found on professional rigs.

Weighing in at 1200g, this is a substantial optic that reflects its professional-grade build quality. Image stabilization is not included, as expected for a dedicated cine prime intended for use on stabilized rigs or gimbals.

Key Features — Sirui VP-1

T1.4 Calibrated Aperture: Uses a true T-stop rating rather than an f-stop, ensuring accurate and consistent exposure when matched with other lenses in a cinema set.

50mm Standard Focal Length: Covers a natural field of view well-suited to narrative, documentary, and commercial productions on full-frame systems.

Full-Frame Coverage: Designed to cover full-frame sensors, making it compatible with the largest mirrorless platforms available today without vignetting.

Four Mount Options: Available in Sony E, Canon RF, Nikon Z, and L-Mount, providing broad compatibility across today's major mirrorless camera systems.

Manual Focus Design: Smooth, precise manual focus ring built for use with follow-focus systems and focus pullers in professional cinema workflows.

82mm Filter Thread: Accepts standard 82mm filters and matte box systems commonly used on professional production rigs.

Lens Specifications — Sirui VP-1

Sirui VP-1 full specifications
SpecDetail
Use CasesVideo / Cinematography, Portrait, Studio
Lens TypeCine
FormatFull Frame
Zoom/PrimePrime
Focal Length50mm
Maximum Aperturef/1.4
Camera SystemCinema / Video
Lens MountSony E, Canon RF, Nikon Z, L Mount Alliance
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread82mm

Description — Sirui VP-1

The Sirui VP-1 Vision Prime 50mm T1.4 is a dedicated cinema prime lens engineered for full-frame mirrorless cameras. Its T1.4 aperture uses a calibrated T-stop rating, ensuring precise and consistent light transmission — a key requirement when matching exposure across multiple lenses on a professional production. The manual focus design is purpose-built for cinema workflows where follow-focus systems and dedicated focus pullers handle critical focus pulls with accuracy and repeatability.

Available in Sony E, Canon RF, Nikon Z, and L-Mount configurations, the lens integrates seamlessly with today's leading mirrorless platforms. The 82mm filter thread provides compatibility with professional matte boxes and high-quality filter systems. At 1200g, the VP-1 carries the weight of a professional-grade cine lens built for demanding production environments.

With no image stabilization, it is intended for use on stabilized rigs, gimbals, or other support systems standard in cinematic production.

Pros — Sirui VP-1

  • ✓T1.4 aperture provides calibrated T-stop exposure accuracy essential for multi-lens cinema productions
  • ✓Full-frame coverage ensures compatibility with the largest mirrorless sensors available today
  • ✓Four mount options — Sony E, Canon RF, Nikon Z, and L-Mount — offer broad mirrorless platform flexibility

Cons — Sirui VP-1

  • ✗Manual focus only — no autofocus, which limits use in fast-paced single-operator or hybrid photo/video workflows
  • ✗No image stabilization, requiring external stabilization solutions for handheld shooting
  • ✗At 1200g, the lens adds significant weight to a rig, which may be a concern for lightweight or run-and-gun setups

Reviews — Sirui VP-1

Videos — Sirui VP-1

Don't sleep on this full frame lens... (Sirui Vision Prime VP-1 T1.4 Cine) — Victor Laforteza

Resources & Downloads — Sirui VP-1

Manuals & Guides

Frequently Asked Questions — Sirui VP-1

Which camera mounts does the Sirui VP-1 Vision Prime 50mm T1.4 support?+
The lens is available in Sony E, Canon RF, Nikon Z, and L-Mount versions, covering the major full-frame mirrorless camera systems currently on the market. Be sure to select the correct mount version for your specific camera body.
Is the T1.4 rating the same as an f/1.4 aperture?+
No — T-stops and f-stops are different measurement systems. T1.4 is a calibrated transmission-based measurement that accounts for actual light passed through the lens, whereas f/1.4 is a purely geometric calculation. T-stop ratings are preferred in cinema production because they ensure consistent exposure when cutting between different lenses.
Does this lens work on crop-sensor cameras?+
The VP-1 is designed for full-frame coverage, but it can be physically mounted on any compatible crop-sensor mirrorless camera using the appropriate mount. Keep in mind that the 50mm focal length will behave differently on a smaller sensor due to the crop factor.
What filter size does the Sirui VP-1 50mm T1.4 use?+
The lens features an 82mm filter thread, which is compatible with a wide range of professional filters and matte box systems commonly used in cinema production.
Does the lens have autofocus or image stabilization?+
No — the VP-1 is a manual focus-only lens with no image stabilization. This is standard for cinema prime lenses, which are designed to be used with follow-focus systems, gimbals, or stabilized camera rigs in professional production environments.

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