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Description
SIRUI Astra 50/75/100mm T1.8 1.33x Full-Frame Autofocus Anamorphic Cine LensAstra Series 1. 33x Full Frame Auto Focus Anamorphic Cine Lens 50 75 100mm T1. 8 Stories come alive in anamorphic Astra Series with three focal lengths From vast imagery to widescreen world Full Frame Auto Focus 1. 33x Constant Squeeze Ratio T1. 8 Fast Aperture 620g (50mm E Mount) Flare Blue Neutral Mount E L Consistent in A Set The World's First Full Frame Auto Focus Anamorphic Cine Lens From pioneering lightweight anamorphic lenses to launching the
Astra Series
1.33x Full Frame Auto Focus Anamorphic Cine Lens
50 / 75 / 100mm T1.8
Stories come alive in anamorphic
Astra Series with three focal lengths
From vast imagery to widescreen world
Astra Series with three focal lengths
From vast imagery to widescreen world
Full Frame
Auto Focus
1.33x
Constant Squeeze Ratio
T1.8
Fast Aperture
620g
(50mm E Mount)
Flare
Blue/Neutral
Mount
E / L
Consistent in A Set
The World's First
Full Frame Auto Focus Anamorphic Cine Lens
From pioneering lightweight anamorphic lenses to launching the first full-frame autofocus, SIRUI once again pushes high-end technology further. The Astra Series—50mm, 75mm, 100mm—combines compact design with outstanding anamorphic look and efficient workflow.
Length 131mm
Weight 620g
(50mm E mount)
(50mm E mount)
Full Frame Anamorphic
T1.8 Fast Aperture
Aluminum Alloy
AF/MF Switch
E/L Mount
44mm image circle fully covers full-frame sensors, compatible with mirrorless systems, and ready for professional cinematic production.
APS-C
SUPER 35
Full Frame
Solo-Ready Auto Focus
Traditional full frame anamorphic lenses rely on manual focus, which limits efficiency and requires large crews, typically for professional film teams. SIRUI Astra Series introduces fast and precise autofocus, eliminating the need for a focus puller. This significantly increases shooting efficiency, enabling solo operators or small teams to shoot professional cinema with ease.
AF / MF Switch
Switch to manual focus for precise, controllable shots.
Built-in focus distance scale and LiDAR follow-focus compatibility ensure consistent focus tracking, supporting efficient and stable professional filmmaking.
Constant 1.33x Squeeze Ratio
Most mirrorless cameras shoot in 16:9. With a 1.33x squeeze rratio, this
lens directly restores the classic 2.4:1 widescreen cinematic
look-no cropping, no pixel loss, delivering a high-resolution!
immersive image.
Approximately 2.4:1 Ratio
Oval bokeh and vertical background stretch bring classic cinematic artistry to life.
Shine in the Dark with T1.8
Provides ample light even in low-light or night scenes for high-quality and clean images. The shallow depth of field creates soft bokeh and natural subject separation, guiding the viewer's focus with ease.
Cinematic Artistry
· A Fusion of Classic and Modern
While maintaining the distinctive anamorphic character, the Astra Series improves central sharpness. Vintage edge rendering meets modern control of distortion and focus breathing, achieving a refined balance that defines true anamorphic character.
18 Elements in 14 Groups
·Unique Backlight Flare
Two classic flares highlight the lens' signature anamorphiccharacter, revealing a distinctive cinematic look.
Blue Flare
Perfect for creating cinematic looks in sci-fi, mystery, and urban-style environments, etc.
Neutral Flare
Presents light in its natural form, suitable for daily shots, natural scenes, etc.
· Outstanding Close-Up Performance
Easily capture portraits and vivid close-ups with rich detail.
T1.8 fast aperture adds depth, texture and atmosphere.
T1.8 fast aperture adds depth, texture and atmosphere.
v50mm Minimum Focus Distance: 0.5m
v75mm Minimum Focus Distance: 0.6m
v100mm Minimum Focus Distance: 0.7m
· Consistent in A Set
Uniform color and tone across three focal lengths, enabling fast swapping and easier post-production.
50mm
75mm
100mm
Crafted to Perfection
67mm Filter Thread
Dual Scale--Feet/Meter
72mm Outer Diameter
Triple Protection
(Dustproof, Dirt-Resistant, Raindrop-Resistant)
(Dustproof, Dirt-Resistant, Raindrop-Resistant)
Identical Gear Position
E / L Mount
AF / MF
Switch between auto focus and manual focus
Switch between auto focus and manual focus
FN
Auto focus lock/customization
Auto focus lock/customization
IRIS LOCK
Lock at "A" for auto aperture, or switch for manual aperture control
Lock at "A" for auto aperture, or switch for manual aperture control
CLICK ON / OFF
Stepped aperture/stepless aperture
Stepped aperture/stepless aperture
3 Years
ReplacementLifetime
WarrantyFree replacement within 3 years for non-human damage (with validproof of
purchase). Lifetime paid repair service available for human-caused camage.
*Warranty above is valid only for products purchased from officcial SIRUI stores or
authorized dealers. Please refer to the warranty card for details. pass
Packing List
Lens Only
1. Lens
2. Packaging Box
3. Carrying Bag
4. Lens Cap
5. Lens Cleaning Cloth
6. Warranty Card
Kit
1. Lens * 3
2. Safety Case
3. Lens Cap
4. Lens Cleaning Cloth
5. Warranty Card
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
Sony Camera Compatibility
Model
Photo
Video
a5000
Compatible
Compatible
a5100
Compatible
Compatible
a6000
Compatible
Partial*
a6100
Compatible
Compatible
a6300
Compatible
Compatible
a6400
Compatible
Compatible
a6500
Compatible
Compatible
a6600
Compatible
Compatible
a6700
Compatible
Compatible
ZV-E10
Compatible
Compatible
ZV-E10 ll
Compatible
Compatible
ZV-E1
Compatible
Compatible
FX2
Compatible
Compatible
FX3
Compatible
Compatible
FX30
Compatible
Compatible
a7
Compatible
Compatible
a7ll
Compatible
Partial*
a7lll
Compatible
Compatible
a7lV
Compatible
Compatible
a7R
Compatible
Compatible
a7Rll
Compatible
Compatible
a7Rlll
Compatible
Compatible
a7RlV
Compatible
Compatible
a7RV
Compatible
Compatible
a7S
Compatible
Compatible
a7Sll
Compatible
Compatible
a7Slll
Compatible
Compatible
a7C
Compatible
Compatible
a7Cll
Compatible
Compatible
a7CR
Compatible
Compatible
a9
Compatible
Compatible
a9ll
Optimizing
Optimizing
A1
Compatible
Compatible
L Mount Camera Compatibility
Model
Photo
Video
Lumix DC-S5
Compatible
Compatible
Lumix DC-S5M2
Compatible
Compatible
Lumix DC-S9
Compatible
Compatible
Lumix DC-S1
Compatible
Compatible
Lumix DC-S1H
Compatible
Compatible
Lumix DC-S1R
Compatible
Compatible
Lumix DC-S1R2
Compatible
Compatible
Sigma FP
Compatible
Compatible
Sigma FPL
Compatible
Compatible
Sigma BF
Compatible
Compatible
Leica SL1
Compatible
Compatible
Leica SL2
Compatible
Compatible
Leica SL3
Compatible
Compatible
Leica CL
Compatible
Compatible
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 1089 reviews
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Product Reviews
★★★★★ 5
More expensive and worth it
Color: Bright White Accent Light
Walk away from those 6 for $49. solar lights and buy some of these. They will cost more in the short run but will save you money in the long run. They are very well made of sturdy aluminum from the light head down to the stake. They have glass crystalline lenses. They look good on the path-modern and somewhat understated. These come in 2 varieties-a 40 lumen and a 60 lumen. I strongly recommend the 60 lumen variety. Aside from being brighter, they have a better solar cell and battery. My lights are still on at 6AM after a prior sunny day which is a new experience for me. They also have external, easily accessible on/off and light color (amber vs bright white) toggle switches. I find this feature unique and a game changer. GamaSonic has really listened to customers and created a noticeably better solar light that checks all of the boxes. I strongly endorse this solar light.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 1, 2023
★★★★★ 2
Looks nice but unreliable quality
I was so excited about these lights when they were delivered. Looked well made and illuminated brilliantly. Although, out of the four that I ordered, the first one stoped lighting up the orange light and never lite again after only a months use. The second one stopped illuminating the orange light followed by both lights not illuminating at all after a month in a half of use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2026
★★★★★ 5
Great pathway lighting!
Color: Bright White Accent Light
I have several different types of Gama Sonic solar lights but these pathway lamps are by far my favorite. They are simple to install, look really great and are quite effective. The solar collectors work very well and the lights last (I have them set to low) through the entire night. I think this is probably the best product that Gama Sonic offers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
★★★★★ 4
We really like these!!
Color: Bright White Accent Light
Easy install. Seem to be made well. They work well lighting our path. It's nice you can use your foot to push the stake in, but be careful, somehow a piece broke off of the end when we did. It's okay, we still were able to make it work, just something to be aware of. It'd be better if they made that part from metal. Otherwise they seem sturdy and were hoping they last well. Solar is a fabulous thing. Lights up our nights!!
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Reviewed in the United States on April 19, 2025
★★★★★ 1
Disappointing
Color: Bright White Accent Light
Terrible. I bought a lot of these, thinking they would be better quality, since they cost more than most of the other solar lights on Amazon. But they rarely all work -even in summer after some of the sunniest days. (Yes they are “on”). My husband bought some really cheap plastic ones, made by another brand, which average out about 2 dollars a piece and those actually work great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 29, 2025