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SIRUI Astra 50/75/100mm T1.8 1.33x Full-Frame Autofocus Anamorphic Cine Lens
SKU:
AST-50-EN
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$764.10
$849.00
Unit price
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Unavailable
Shipping calculated at checkout.
Key Features
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SIRUI Astra 50/75/100mm T1.8 1.33x Full-Frame Autofocus Anamorphic Cine Lens - 50mm / Neutral / E is backordered and will ship as soon as it is back in stock.
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SIRUI Astra 50/75/100mm T1.8 1.33x Full-Frame Autofocus Anamorphic Cine Lens
Payment & Security
Payment methods
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Warranty
Free replacement within 3 years for non-human product defects.
50/75/100mm T1.8 1.33x
WATCH INTRO
World's 1st
Highlight
Hear from the community
1.33x Constant Squeeze Ratio
Auto focus
T1.8 Fast Aperture
Lightweight
Flare Blue/Neutral
Consistent in A Set
Outstanding Optical Performance
Convenient Operation
Highlight
Full Frame
1.33x Constant Squeeze Ratio
STM Motor AF
T1.8 Fast Aperture
Lightweight
Two Flare Styles
Consistent in A Set
Convenient Operation
Hear from the community
Lightweight
Three focal lengths with similar sizes, and a weight of only about 600g-700g,
making them portable and easy to switch quickly.
making them portable and easy to switch quickly.
handheld
Gimbal
Tripod / Rig
Drone
Flare Blue/Neutral
Two classic flares highlight the lens' signature anamorphic character, revealing a distinctive cinematic.
Consistent in A Set
Uniform color and tone across three focal lengths, enabling fast swapping and easier post-production.
Outstanding Optical Performance
Aspherical lens helps to reduce lens size and also show outstanding optical perfor-
mance with sharpness and well-controlled distortion.
mance with sharpness and well-controlled distortion.
Convenient Operation
AF/MF
Quick switch between auto and manual focus with a single button to adapt to various shooting scenarios.
FN Custom Button
Assign functions based on personal preference to enhance shooting efficiency and operational flexibility.
Iris range Lock
Lock the aperture at A (Auto) or within the manual range to prevent accidental changes and ensure stable operation.
Click Aperture Control
Switch between clicked and declick aperture adjustment for greater flexibility in both photography and videography.
Dual Scale--Feet/Meter
Built-in focus distance scale and LiDAR follow-focus compatibility ensure consistent focus tracking.
Identical Gear Position
Quickly switch between lenses without recalibrating your follow-focus system.
Triple Protection
Dustproof, Dirt-Resistant, Raindrop-Resistant
Compatible with Standard Filters
67mm filter thread and 72mm outer diameter, compatible with commonly used filters.
Packing List
Single Lens
Lens × 1
Carrying Bag × 1
Rear Lens Cap × 1
Front Lens Cap × 1
Lens Cleaning Cloth × 1
Warranty Card × 1
Lens Kit
Lens × 3
Rear Lens Cap × 1
Front Lens Cap × 1
Lens Cleaning Cloth × 1
Warranty Card × 1
Specifications
Lens
Format Coverage
Full Frame
Full Frame
Full Frame
Focal Length
50mm
75mm
100mm
Aperture
T1.8-T22
T1.8-T22
T1.8-T22
Lens Structure
18 Elements in 14 Groups (4 Cylindrical Lenses and 1 Aspherical Lens)
18 Elements in 13 Groups (4 Cylindrical Lenses and 1 Aspherical Lens)
18 Elements in 13 Groups (5 Cylindrical Lenses)
Aperture Blade
11
13
13
Shooting Distance
0.5M(1.64ft)～∞
0.6M(1.97ft)～∞
0.7M(2.3ft)～∞
Focus Method
MF / AF
MF / AF
MF / AF
Max Magnification
1：7.2(V）
1：10.2（H)
1：10.2（H)
-0.165(V）
-0.123（H)
-0.123（H)
1：7.5(V）
1：10.0（H)
1：10.0（H)
FOV (Full Frame)
27.8°(V)
56.8°(H)
60.9°(D)
56.8°(H)
60.9°(D)
18.52°(V)
36.9°(H)
40.37°(D)
36.9°(H)
40.37°(D)
18.4°(V)
27.4°(H)
32.3°(D)
27.4°(H)
32.3°(D)
Filter Size
M67*P0.75
M67*P0.75
M67*P0.75
Focus Ring Rotation Angle
136°
136°
136°
Max Diameter
Φ80mm / 3.15inch
(E/L Mount)
(E/L Mount)
Φ80mm / 3.15inch
(E/L Mount)
(E/L Mount)
Φ80mm / 3.15inch
(E/L Mount)
(E/L Mount)
Focus Ring Diameter
Φ80mm / 3.15inch
Φ80mm / 3.15inch
Φ80mm / 3.15inch
Aperture Ring Diameter
Φ75.2mm / 2.96inch
Φ75.2mm / 2.96inch
Φ75.2mm / 2.96inch
Outer Diameter
φ72mm
φ72mm
φ72mm
Focus Motor
STM
STM
STM
Length
(Exclude Lens Cap)
(Exclude Lens Cap)
E Mount: 131mm / 5.16inch
L Mount: 128.9mm / 5.07inch
L Mount: 128.9mm / 5.07inch
E Mount: 131mm / 5.16inch
L Mount: 128.9mm / 5.07inch
L Mount: 128.9mm / 5.07inch
E Mount: 135.3mm / 5.33inch
L Mount: 133.2mm / 5.24inch
L Mount: 133.2mm / 5.24inch
Weight
(Exclude Lens Cap)
(Exclude Lens Cap)
E Mount: 620g / 1.37lb
L Mount: 625g / 1.38lb
L Mount: 625g / 1.38lb
E Mount: 650g / 1.43lb
L Mount: 655g / 1.44lb
L Mount: 655g / 1.44lb
E Mount: 700g / 1.54lb
L Mount: 705g / 1.55lb
L Mount: 705g / 1.55lb