Name: Sirui Astra T1.8 1.33x AF Anamorphic 3-Cine Lens Kit (Sony E, Blue Flares)
Brand: Sirui
SKU: AST-3S-EB
Price: 10752.50 SAR
Availability: InStock

Sirui Astra T1.8 1.33x AF Anamorphic 3-Cine Lens Kit (Sony E, Blue Flares)

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Sirui Astra T1.8 1.33x AF Anamorphic 3-Cine Lens Kit (Sony E, Blue Flares)

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Brand: Sirui
Model: Anamorphic Lens
SKU: AST-3S-EB

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Sirui Astra Series T1.8 1.33x Anamorphic Lens Kit

Full-Frame Cinematic Trio (50mm, 75mm, 100mm) with Solo-Ready Autofocus & Blue Flares for Sony E

Overview

The Sirui Astra Series T1.8 1.33x Anamorphic Kit is a comprehensive cinematic lens trio featuring 50mm, 75mm, and 100mm focal lengths designed for Sony E-mount full-frame mirrorless cameras. Built to deliver wide, high-resolution cinematic images, these lenses are enhanced by visually pleasing, natural blue streak flares. The expansive 44mm image circle ensures complete sensor coverage, edge-to-edge sharpness, and optimal performance without vignetting, making this kit ready for professional cinematic production.

A groundbreaking feature of the Astra Series is its Solo-Ready Autofocus. Unlike traditional full-frame anamorphic lenses that rely strictly on manual focus and require large crews, these lenses provide fast and precise autofocus capabilities. This eliminates the absolute need for a focus puller, significantly increasing shooting efficiency and enabling solo operators or small teams to shoot professional cinema with ease.

A constant 1.33x squeeze ratio directly restores the classic 2.4:1 widescreen cinematic look without cropping or pixel loss when shooting in standard 16:9 mirrorless formats. Paired with a fast T1.8 maximum aperture, the kit provides ample light gathering for clean, high-quality images in low-light or night scenes. The resulting shallow depth of field creates soft, distinctive oval bokeh and natural subject separation, beautifully guiding the viewer's focus.

Optically refined, the Astra Series balances vintage anamorphic edge rendering with modern control over distortion and focus breathing. The lenses offer outstanding close-up performance, capturing portraits with rich detail, uniform color, and consistent tone across all three focal lengths, which streamlines fast lens swapping and post-production workflows. Built-in metric and imperial focus scales, alongside LiDAR follow-focus compatibility, ensure reliable and stable tracking for any professional set.

Key Features

50, 75, and 100mm Kit

A complete focal length trio offering uniform color, tone, and T1.8 fast apertures across the board, making on-set lens swaps and post-production color grading incredibly efficient.

Solo-Ready Autofocus

Breaks the traditional manual-only anamorphic mold by offering fast, precise autofocus, empowering solo shooters and small crews to capture complex scenes without a dedicated focus puller.

Expansive 44mm Image Circle

Fully covers full-frame sensors with edge-to-edge sharpness and optimal illumination, ensuring immersive, vignette-free cinematic images on modern mirrorless systems.

Constant 1.33x Squeeze Ratio

Perfectly tailored for 16:9 mirrorless sensors, the 1.33x squeeze instantly delivers a classic, uncropped 2.4:1 widescreen aspect ratio without sacrificing resolution or pixels.

Pleasing Cinematic Bokeh & Blue Flares

Produces the highly sought-after anamorphic aesthetic with beautiful oval bokeh, vertical background stretch, and elegant, natural blue streak flares.

Optimal Low-Light Performance

The fast T1.8 aperture allows ample light transmission for clean nighttime shooting while delivering an ultra-shallow depth of field for dramatic subject isolation.

LiDAR & Metric/Imperial Scales

Built-in focus scales provide precision manual control, while full compatibility with LiDAR follow-focus systems guarantees stable, consistent tracking for high-end setups.

Outstanding Close-Up Detailing

Engineered for stunning portraiture and vivid close-ups, maintaining high central sharpness and rich texture while retaining the distinctive vintage edge rendering.

Technical Specifications – Kit Overview

Focal Lengths:

50mm, 75mm, 100mm

Aperture Range:

Maximum: T1.8 | Minimum: T22

Lens Mount:

Sony E

Format Coverage:

Full-Frame (44mm Image Circle)

Squeeze Ratio:

1.33x (Yields 2.4:1 Aspect Ratio)

Flare Color:

Blue Streak Flares

Focus Type:

Selectable Autofocus & Manual Focus

Filter Thread:

67 mm (72mm Outer Diameter)

Minimum Focus Dist.:

50mm: 1.6' | 75mm: 2' | 100mm: 2.3'

Weight (per lens):

Approx. 1.37 lb to 1.6 lb

Lens Specifications – Sirui Astra Series T1.8

True Anamorphic Character:

Achieve a refined balance of vintage edge rendering and modern distortion control. The lenses produce signature oval bokeh, vertical background stretching, and visually pleasing blue flares for an unmistakable cinematic aesthetic.

Game-Changing Autofocus:

By integrating fast, accurate autofocus into a full-frame anamorphic design, the Astra series eliminates the barrier of needing specialized focus pullers, drastically increasing workflow efficiency for run-and-gun filmmaking.

Uncropped 2.4:1 Aspect Ratio:

Designed to maximize standard 16:9 sensors, the 1.33x squeeze factor perfectly de-squeezes to a 2.4:1 wide aspect ratio without any pixel cropping, retaining maximum resolution and dynamic range from your camera.

Optical Precision & Sharpness:

Constructed with complex optical formulas (e.g., 18 elements in 14 groups for the 50mm) and 11 aperture blades, delivering improved central sharpness and rendering rich, detailed textures from wide-open T1.8 to closed down.

Professional Build & Integration:

Features electronic communication with Sony E-mount cameras, a consistent 67mm filter thread, and a 72mm outer diameter across the kit, making matte box integration and gimbal balancing seamless when switching lenses.

Advanced Focus Tracking Support:

For traditional cinema rigs, the lenses sport a 136° focus gear rotation, built-in metric/imperial distance scales, and are fully compatible with advanced LiDAR follow-focus ecosystems.

Ideal For:

Solo cinematographers, independent filmmakers, and small production crews seeking the authentic widescreen anamorphic look without the operational overhead of manual focus pulling. It is the perfect kit for commercial, music video, and narrative creators who require consistent color matching, low-light T1.8 performance, and iconic blue streak flares on Sony E-mount full-frame systems.

Tags: SIRUI , 4 , Lens , Kit , 35 , 50 , 75 , 100mm , Sony , E

Sirui Astra T1.8 1.33x AF Anamorphic 3-Cine Lens Kit (Sony E, Blue Flares)