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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
4.6 ★★★★★
Based on 27 reviews
Sort
Product Reviews
★★★★★ 3
Not a fan of this one
Flavor Name: Mint, Size: 3.5 Ounce (Pack of 1)
I am not a fan of this product. As many of the reviews noted, the flavor is very strong. I was surprised it wasn't more minty. This is a very herbal concoction. It also tastes of the other very strong herbs, especially the rosemary. According to the instructions, this product should be used once a day for 30 seconds. I prefer a product I can use twice a day for 45 seconds to a minute.
My experience is that it takes 30 seconds just to crush it up enough to swish it around and I don't have enough saliva in the morning due to overnight dry mouth. I have to add a little water. The tablets never crush completely and leave a mess in the sink that has to be carefully rinsed away. If I use them more often, my mouth dries out too much and tastes like the tablets all day long. It's not a bad taste but I expect it to go away after a half-hour (or so). They are really chalky.
The container isn't bad, but doesn't pour 1 tablet out at a time. Meh. I don't like touching a bunch of them each time. There is a desiccant packet in with the tablets to protect them. I am not sure this would stay closed during travel or be allowed on a plane in carry-on. It should travel ok otherwise because it's not a liquid, but I haven't tried it. I will probably not buy this product again, but in all honesty, I have bought far worse products and been disappointed far more by them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2023
★★★★★ 5
Its like they knew what I prayed for🙏🏽
Flavor Name: Mint, Size: 3.5 Ounce (Pack of 1)
Okay, let me start by saying I am a huge skeptic. I need to research things to the nine's and read legit reviews before I buy anything new.
I have had cavities from a very young age and receeding gumlines all my life. At age 50, I have gone all natural, got rid of everything toxic, and got really healthy. I have been listening to Dr. HUBERMAN podcast on you tube and found one he did on oral health. He gets very detailed about how to heal your oral health. He spoke specifically about hydroxyapetite and xylitol and their benefits.
I then started searching for mouthwashes with these ingredients because i am seriously concerned my teeth are going to fall out from these receeding gums. I have been told all my life there was nothing you can do. I knew in my gut that was a lie. I knew there had to be a way to heal our mouths naturally.
Then found BOKA. I got them. I tried them. I lOVE THEM! They are perfect! They are minty fresh, easy to use, makes my mouth feel clean and if they actually do heal my mouth....then awesome sauce!
I read all the reviews. I see the after taste. But, i think its a personal choice. I like the after taste. It tastes and feels like a clean mouth.
I feel the tinglyness. Yes. But I believe from my health and science background it is the mint, aloe, probiotics and everything else stimulating the skin and blood to start the regeneration of skin and mineral. Im happy to report back again in a month or so with outcome plus before and after photos👍🏽
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2024
★★★★★ 5
No mess or spill...
Flavor Name: Citrus Mint, Size: 3.5 Ounce (Pack of 1)
Great product! Makes easy for travel and use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Convenient and easy
Flavor Name: Mint, Size: 3.5 Ounce (Pack of 1)
Easy to use. Fresh breath lasts a while. will be buying again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Great Clean Alternative to Traditional Mouthwash, LOVE this!!
Flavor Name: Mint, Size: 3.5 Ounce (Pack of 1)
I’ve been really impressed with these Boka mouthwash tablets. They’re fluoride‑free and alcohol‑free, which is exactly what I was looking for, and the hydroxyapatite is a nice bonus for supporting enamel without the harshness of traditional mouthwashes. The tablets dissolve easily, the flavor is refreshing without being overpowering, and there’s no burning sensation at all. Do NOT chew and swallow like I did the first time. Chew, get salva going and swish. My teeth never felt so clean!!!
I also love that they’re travel‑friendly and cut down on plastic waste compared to big bottles. My breath feels fresh, and my mouth feels clean without that chemical aftertaste. If you’re trying to switch to a cleaner, gentler oral‑care routine, these are a great option.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026