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Sirui 50mm f/1.8 Anamorphic 1.33x Lens (Sony E-Mount)

BH #SISRMEK7E • MFR #SRMEK7E
Sirui 50mm f/1.8 Anamorphic 1.33x Lens (Sony E-Mount)
Key Features
  • Robust Aluminum Lens for APS-C Cameras
  • 2.4:1 De-Squeezed Format; 10-Blade Iris
  • Schott Glass with Nano Coatings
  • Horizontal Blue Streaks/Less Stray Light
The Sirui 50mm f/1.8 Anamorphic 1.33x Lens, with an E-mount, is designed for APS-C cameras and increases the horizontal FOV by 33% in comparison with traditional 50mm APS-C lenses. The result is equivalent to a wider, 37.5mm APS-C lens. After a de-squeeze, the captured image is displayed in an anamorphic 2.4:1 format in a 16:9 setting. This fast f/1.8 lens is designed with an aluminum housing and features optics with multilayer Nano coatings. It has renowned Schott optical glass lens elements and delivers rectangular aspect ratios, long horizontal lens flares, and oval bokeh.
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Sirui 50mm F/1.8 Anamorphic Overview

The Sirui 50mm f/1.8 Anamorphic 1.33x Lens, with an E-mount, is designed for APS-C cameras and increases the horizontal FOV by 33% in comparison with traditional 50mm APS-C lenses. The result is equivalent to a wider, 37.5mm APS-C lens. After a de-squeeze, the captured image is displayed in an anamorphic 2.4:1 format in a 16:9 setting. This fast f/1.8 lens is designed with an aluminum housing and features optics with multilayer Nano coatings. It has renowned Schott optical glass lens elements and delivers rectangular aspect ratios, long horizontal lens flares, and oval bokeh.

One of the features of this lens is that it produces horizontal blue streaks with less stray light, which Sirui calls sci-fi horizontal flares. A key aspect of anamorphic lenses is highlighted oval bokeh, and this lens achieves a shallow depth of field and oval bokeh with its 10 aperture blades. While the lens has a robust housing, it's also designed to be lightweight for use with your compact APS-C camera.

Key Features

  • Robust lens with advanced optics for compact APS-C cameras
  • 33% horizontal field of view increase over standard 50mm APS-C lenses
  • Anamorphic 2.4:1 format in a 16:9 setting after de-squeeze
  • Aluminum housing
  • Schott optical glass
  • Multilayer Nano coatings
  • Horizontal blue streaks with less stray light
  • 10 aperture blades
  • 2.8' minimum focusing distance
  • 67mm filter thread
  • Magnification: 1:15.38 (V), 1:20.17 (H)

Sirui 50mm F/1.8 Anamorphic Specs

Focal Length50mm
Lens MountSony E
Lens Format CoverageSuper35/APS-C
Maximum Aperturef/1.8
Minimum Aperturef/16
Minimum Focus DistanceFrom : 33.5" / 85 cm
Optical Design11 Elements in 8 Groups
Diaphragm Blades10
Gear MOD & PitchFocus: 0.8 MOD / 32 Pitch
Iris: 0.8 MOD / 32 Pitch
Front Diameter69 mm
Filter Thread67 mm
Focus Rotation143.6°
Horizontal Squeeze (Anamorphic)1.33x
Image StabilizationNo
Length4.2" / 106.6 mm
Weight1.23 lb / 560 g
Packaging Info
Package Weight1.86 lb
Box Dimensions (LxWxH)6.7 x 4 x 3.9"

Sirui 50mm F/1.8 Anamorphic Reviews

Great buy

By Frank
Rated 5 out of 5
Date: 2022-06-29

An anamorphic lens is an essential tool for anyone seriously interested in shooting video, and the Sirui 50mm is an excellent choice for the price. Using it on my Panasonic Lumix G9, I've found it works very well for both stills and video.

Fun lens

By Jonathon
Rated 5 out of 5
Date: 2021-08-22

This is such a fun lens! You can get some really fun looks from it, and the clarity is pretty solid. Granted, it's no GM glass, but still high quality and I use it for high end creative projects.

Magic with FX3

By Gregory
Rated 5 out of 5
Date: 2021-07-14

Recently did a music video shoot mostly shot with this lens, and reviewing the footage made my jaw drop. The separation between subject and background is so beautiful. Add a pro mist filter and it feels like a true pleasing "cinematic" image that is difficult to explain in words. The flaring is there but not exaggerated, you really have to try to get the flares which I like. I was bummed it's not a 2x squeeze, but honestly it's kind of perfect for what you get at 1.33x. If you're looking to get into anamorphic without breaking the bank, I would highly recommend this lens.

It's a great lens for its price

By Andres Mario
Rated 5 out of 5
Date: 2021-04-30

It really shock me to find an anamorphic lens at its price, use in on an FS7, didn't now it worked for S35 sensor.

Must have for Panasonic GH5!

By Robert
Rated 5 out of 5
Date: 2021-04-27

Light weight, sharp images, great flares and bokeh that will add style to your work for a unbeatable price.

great lens

By Paula
Rated 5 out of 5
Date: 2021-02-19

as expected, great lens.. it will allow you to take advantage of the full sensor of your GH5. (16:9).. fast lens, focus ring is great because you dont need to spining too much to change focus, from 2.5ft to inifnity you will only need to rotate the ring about half of the lens.. something that is not very common with native lumix lenses.

A great Anamorphic lens

By Dimitrios
Rated 5 out of 5
Date: 2022-02-15

For the price, the quality of the image is outstanding. It gives you this cinematic anamorphic Bokeh that makes all the difference. If your camera can correct the 1.33x distortion it will make your shots even more enjoyable. My Atomos Ninja can easily do it.

A fantastic lens!

By Luke
Rated 5 out of 5
Date: 2022-02-13

I love shooting with this thing. Gives all of my work a fun twist and makes a visually interesting picture. It may not be perfect, but its character delivers so much.

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will this lens work with SONY FDR AX100? Or any ...

will this lens work with SONY FDR AX100? Or any other anamorphic lens?
Asked by: jorgen
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Answered by: Brandon
Date published: 2020-12-06

Is the lens have a filter thread ?

Is the lens have a filter thread ?
Asked by: Magne
Yes, the Sirui 50mm Anamorphic lens has a 67mm.
Answered by: Nicholas
Date published: 2021-05-05

Is this lens designed only for 16:9 sensors or ...

Is this lens designed only for 16:9 sensors or can I use this on a 4:3 sensor and de squeeze in post? I have several cameras with anamorphic modes.
Asked by: Ashton
this is a 1.33x squeeze and will not work properly on a 4:3 sensor, 4:3 requires a 1.8x or 2x squeeze
Answered by: Sean
Date published: 2020-10-11

when using the sirui anamorphic on sony in super ...

when using the sirui anamorphic on sony in super 35 mode, will i see vignette ? will the focal lenght stay the same ? and will this affect the resolution or sharpness ?
Asked by: Elie
You will not see vignetting with the Sirui 50mm Anamorphic 1.33x Lens since it covers Super35 sensors. The focal length will stay the same. Super35 mode uses a small portion of the sensor but does not affect the video/photo resolution or sharpness.
Answered by: Nicholas
Date published: 2021-06-22

Does the lens provide exif data to the Sony?

Does the lens provide exif data to the Sony?
Asked by: Lawrence
This lens does not pass-though lens data to the camera.
Answered by: Chris H
Date published: 2021-06-10

Would I need a separate adaptor to attach the ...

Would I need a separate adaptor to attach the lens on either Sony a7riii or a7riv?
Asked by: Mohamed
You do not need an adaptor to use the Sirui 50mm f/1.8 Anamorphic 1.33x Lens (Sony E-Mount) on the Sony A7RIII or A7RIV since all of these products use a Sony E-mount.
Answered by: Nicholas
Date published: 2022-05-22

can this lens or other anamorphic lens fit SONY ...

can this lens or other anamorphic lens fit SONY DFR AX100?
Asked by: jorgen
No. This is a fixed lens camera and it doesn't allow for other lenses to be mounted on it.
Answered by: Bruno
Date published: 2020-11-30
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