Sirui 50mm T2.9 1.6x Anamorphic - Lens specs

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Sony E Nikon Z Canon RF Leica L Cinema full-frame 2022

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50mm

Focal length

f/2.9

Max aperture

1045 g

Weight

14mm35mm85mm200mm600mm

▲ 50mm

Max aperture

f/2

f/2.9

f/8

Constant Aperture

Zoom Ratio: 1x

Aperturef/2.9

f/2.9f/16

Near focus8' 2"

Far focus9' 9"

Total DOF1' 7"

Hyperfocal98' 3"

Subject distance8' 11"

Focal length50 mm

Aperturef/2.9

SensorFull Frame

Illustrative scene preview based on this lens's focal length, aperture, and sensor coverage.

This preview uses 50mm, f/2.9, and Full Frame. Subject distance is estimated to keep lens previews comparable.

Min aperture: f/16
Diaphragm blades: 10

Optics

Optical construction: 16 elements in 13 groups
Special elements: High-quality German Schott optical glass anamorphic elements
Coatings: Nano coating

Focusing

Minimum focus: 75 cm
Max magnification: 0.08×

Physical

Weight: 1045 g
Dimensions: ⌀88mm × 140mm
Filter thread: 82 mm
Color: Black

Handling & Controls

Distance Scale: Yes

Recommended Use

Ideal for: Portraits

Release year: 2022
Announced: Oct 12, 2021
Approx price: $449 USD

The best

Full-frame 1.6x anamorphic cine prime lens delivering widescreen cinematic scope and oval bokeh at T2.9.

Also

Robust all-metal build featuring 82mm filter threads, 0.8 MOD cinema gears, and signature horizontal blue flares.

Summary

The Sirui 50mm T2.9 1.6x Anamorphic is a groundbreaking full-frame cinema prime designed to bring high-end widescreen filmmaking within reach of independent directors and cinematographers. Engineered by Sirui as part of its rugged metal Venus lineup, this 50mm prime features a distinct 1.6x anamorphic squeeze factor, maximizing sensor real estate to deliver an expansive 2.8:1 widescreen aspect ratio on 16:9 sensors and a classic 2.4:1 ratio on 3:2 full-frame sensors.

Built with 16 optical elements arranged in 13 groups using premium German Schott optical glass, the optical formulation achieves impressive center-to-edge resolving power while retaining an organic, cinematic personality. Its 10-blade aperture combines with cylindrical optical elements to render elongated oval bokeh highlights and the iconic brushed blue horizontal flares that instantly elevate narrative scenes, music videos, and commercial cinematography.

Designed for seamless integration into professional production rigs, the Sirui 50mm T2.9 1.6x Anamorphic features unified 0.8 MOD focus and aperture gear rings that mesh flawlessly with wireless and mechanical follow focus units. Unlike many traditional anamorphic lenses that demand cumbersome matte boxes, it incorporates a standard 82mm front filter thread for easy attachment of circular polarizers, diffusion filters, and variable neutral density filters.

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Where to buy

Amazon USAView offers B&H PhotoView product

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Sirui 50mm T2.9 1.6x Anamorphic Comparisons

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Pros & Cons

Pros

True 1.6x anamorphic squeeze producing pronounced oval bokeh and horizontal flare streaks
Full-frame sensor coverage across Sony E, Canon RF, Nikon Z, and L-Mount platforms
Durable metal housing with standardized 0.8 MOD cine gearing for follow focus systems
Front 82mm filter thread allows direct screw-on ND and mist filters
Exceptional optical value for independent cinematographers and commercial filmmakers

Cons

Fully manual cinema design with no electronic communication or autofocus
Substantial weight of 1,045g compared to the ultra-lightweight carbon Saturn line
No built-in optical stabilization
Ultra-wide 2.8:1 de-squeezed aspect ratio requires intentional cropping for 2.39:1 scope