SIRUI Astra 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (Nikon Z, Neutral Flare)

Product #124441 | SKU AST-100-ZN | Sirui
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Our Price $1,699
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Features

  • 100mm Full-Frame Anamorphic Prime
  • Constant 1.33x Squeeze Ratio
  • Fast T1.8 to T22 Aputure
  • Full-Frame 44mm Image Circle
  • Autofocus With STM Motor
  • 67mm Filter Thread
  • Iris Lock For Auto Aperture

Description

Blending a timeless anamorphic aesthetic with rapid and accurate autofocus, the SIRUI Astra 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (Nikon Z, Neutral Flare) is engineered to streamline your mirrorless shooting experience. The fixed 1.33x squeeze ratio enables the faithful recreation of a widescreen cinematic aspect (2.35:1) directly in camera, preserving every pixel and eliminating the need for cropping.

Full-Frame Coverage and Fast Aperture

Offering a generous 44mm image circle, this lens provides full-frame sensor compatibility, ensuring edge-to-edge sharpness. Its impressive T1.8 maximum aperture supports creative shooting in challenging lighting conditions while also contributing to beautifully shallow depth of field.

Signature Anamorphic Rendering

The Astra Series produces signature oval bokeh and a pronounced vertical stretch in background elements, imparting a distinct anamorphic character. Despite its advanced optical design, the lens maintains a compact, production-ready form factor, catering to filmmakers seeking both portability and professional results.

Specifications

General
Format Coverage Full Frame
Focal Length 100mm
Squeeze Ratio 1.33x (Constant)
Image Circle 44mm
Optical
Lens Structure 18 Elements in 13 Groups (5 Cylindrical Lenses)
FOV (Full Frame) 18.4° (V) / 27.4° (H) / 32.3° (D)
Filter Size M67 × P0.75
Aperture
Aperture Range T1.8 to T22
Aperture Blades 13
Aperture Ring Diameter 75.2mm / 2.96 inch
CLICK ON / OFF Stepped aperture / stepless aperture
IRIS LOCK Lock at “A” for auto aperture; switch for manual aperture control
Focus
Focus Method MF / AF
Focus Motor STM
Shooting Distance 0.7 m (2.3 ft) to ∞
Max Magnification 1: 7.5 (V) / 1: 10.0 (H)
Focus Ring Rotation Angle 136°
FN Auto focus lock/customization
Physical
Focus Ring Diameter Φ80mm / 3.15 inch
Outer Diameter Φ72mm
Protection Triple protection (Dustproof, Dirt-Resistant, Raindrop-Resistant)
Dual Scale Feet/Meter

In The Box

  • SIRUI Astra 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (Nikon Z, Neutral Flare)
  • Front Lens Cap
  • Rear Lens Cap
  • Lens Cleaning Cloth
  • Carrying Bag

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Details

  • Product: SIRUI Astra 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (Nikon Z, Neutral Flare)
  • Manufacturer: Sirui
  • Model: AST-100-ZN
  • SKU: AST-100-ZN
  • RM Product #: 124441
  • Lens Type: Anamorphic
  • Maximum Aperture: T1.8
  • Lens Mount: Nikon Z
  • Zoom or Prime Lens: Prime
  • Flare Colour: Neutral
  • Warranty: Click here for warranty lengths view terms
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