SIRUI Astra 50mm, 75mm & 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens 3-Lens Kit (L-Mount, Blue Flare)

Product #124457 | SKU AST-3S-LB | Sirui
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Our Price $4,999
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Features

  • 50/75/100mm Three-Lens Set
  • Full-Frame 44mm Image Circle
  • Constant 1.33x Squeeze Ratio
  • Fast T1.8 to T22 Aputure
  • Autofocus With STM Motor
  • Identical Gear Positions
  • 67mm Filter Thread Matching

Description

The SIRUI Astra 50mm, 75mm & 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens 3-Lens Kit (L-Mount, Blue Flare) offers filmmakers a trio of lenses that share consistent color and tonal characteristics, enabling seamless lens changes and more efficient post-production workflows. Each lens in the kit features a uniform 1.33x squeeze ratio, delivering a true 2.35:1 widescreen cinematic aesthetic from standard 16:9 video capture without the need for cropping or sacrificing pixel resolution.

Equipped with rapid and accurate autofocus capabilities, the Astra Series streamlines the workflow for solo creators and compact production teams. This level of automation and speed ensures that professional-quality anamorphic footage is easily attainable, making the Astra kit ideal for bringing high-level cinematic storytelling to a wide range of productions.

Specifications

SIRUI Astra 50mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (L-Mount, Blue Flare)
General
Format Coverage Full Frame
Focal Length 50mm
Squeeze Ratio 1.33x (Constant)
Image Circle 44mm
Optical
Lens Structure 18 Elements in 14 Groups (4 Cylindrical Lenses and 1 Aspherical Lens)
FOV (Full Frame) 27.8° (V) / 56.8° (H) / 60.9° (D)
Filter Size M67 × P0.75
Aperture
Aperture Range T1.8 to T22
Aperture Blades 11
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 0.5 m (1.64 ft) to ∞
Max Magnification 1: 7.2 (V) / 1: 10.2 (H)
Focus Ring Rotation Angle 136°
FN Auto focus lock/customization
Physical
Max Diameter Φ80mm / 3.15 inch
Focus Ring Diameter Φ80mm / 3.15 inch
Outer Diameter Φ72mm
Protection Triple protection (Dustproof, Dirt-Resistant, Raindrop-Resistant)
Dual Scale Feet/Meter
SIRUI Astra 75mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (L-Mount, Blue Flare)
General
Format Coverage Full Frame
Focal Length 75mm
Squeeze Ratio 1.33x (Constant)
Image Circle 44mm
Optical
Lens Structure 18 Elements in 13 Groups (4 Cylindrical Lenses and 1 Aspherical Lens)
FOV (Full Frame) 18.52° (V) / 36.9° (H) / 40.37° (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 0.6 m (1.97 ft) to ∞
Max Magnification -0.165 (V) / -0.123 (H)
Focus Ring Rotation Angle 136°
FN Auto focus lock/customization
Physical
Max Diameter Φ80mm / 3.15 inch
Focus Ring Diameter Φ80mm / 3.15 inch
Outer Diameter Φ72mm
Protection Triple protection (Dustproof, Dirt-Resistant, Raindrop-Resistant)
Dual Scale Feet/Meter
SIRUI Astra 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (L-Mount, Blue Flare)
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 50mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (L-Mount, Blue Flare)
  • SIRUI Astra 75mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (L-Mount, Blue Flare)
  • SIRUI Astra 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens (L-Mount, Blue Flare)
  • 3 x Front Lens Cap
  • 3 x Rear Lens Cap
  • Lens Cleaning Cloth
  • Hard Case

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Details

  • Product: SIRUI Astra 50mm, 75mm & 100mm T1.8 1.33x Full-Frame AF Anamorphic Cine Lens 3-Lens Kit (L-Mount, Blue Flare)
  • Manufacturer: Sirui
  • Model: AST-3S-LB
  • SKU: AST-3S-LB
  • RM Product #: 124457
  • Lens Type: Anamorphic
  • Maximum Aperture: T1.8
  • Lens Mount: Leica L
  • Zoom or Prime Lens: Prime
  • Flare Colour: Blue
  • Warranty: Click here for warranty lengths view terms
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