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Sirui 50mm f/1.8 Anamorphic 1.33x Lens (MFT Mount)

BH #SISRMEK7M • MFR #SRMEK7M
Sirui 50mm f/1.8 Anamorphic 1.33x Lens (MFT 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 MFT 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 MFT 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 MountMicro Four Thirds
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 Weight1.835 lb
Box Dimensions (LxWxH)6.8 x 4 x 4"

Sirui 50mm F/1.8 Anamorphic Reviews

nice picture

By Ramon
Rated 5 out of 5
Date: 2022-12-05

just mount and shoot! if your camera is in the 16:9 mode, the picture on the preview screen looks almost like with a normal lense. in post, you'll desqueeze and baam.. got the cinematic look. only one downside, you'll need a diopter and an adapter ring to shoot close ups.

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.

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.

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.

Great lightweight Anamorph

By Sean
Rated 5 out of 5
Date: 2022-11-20

Really a great little lens. If you don't want to drop $1500 in the T2.9 this is a great choice!

Sirius

By juan luis
Rated 5 out of 5
Date: 2022-08-24

Excelente ptica y lut anamorphic y flare hermosos

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Does this work with GH5?

Does this work with GH5?
Asked by: Amir
Yes it does.
Answered by: Najee
Date published: 2020-11-16

Since this lens covers a APSC field of view, if I ...

Since this lens covers a APSC field of view, if I mount it on a micro 4/3 sensor, what will the equivalent field of view be (top to bottom). Will it basically show me what a 100mm would show in full frame? Trying to decide if I need the 50mm or the 35mm version of this lens for
Asked by: seyi
On a Micro Four Thirds sensor the top to bottom field of view would match a 100mm lens on a full frame sensor. The 35mm lens would likewise match a 70mm on a full frame.
Answered by: Eric
Date published: 2020-09-25

Will this also fit a Panasonic GH2?

Will this also fit a Panasonic GH2?
Asked by: Neil
The Panasonic Lumix DMC-GH2 has a standard MFT mount this lens is compatible
Answered by: Sean
Date published: 2020-07-10

What is the image circle?

What is the image circle?
Asked by: Zak
A lens' imaging circle is the size of the circle produced by a lens to create an image. As sensors are usually rectangular in shape, the imaging circle must be larger than the dimensions of the sensor in order to fully and evenly expose the sensor. Sirui does not specify the imaging circle size of the Sirui 50mm f/1.8 Anamorphic 1.33x Lens (MFT Mount), but they do indicate the imaging circle will cover an APS-C sensor, which is larger than the Four Thirds sensor.
Answered by: Manzell
Date published: 2022-02-28

Will this lens work with Z-cam E2-s6?

Will this lens work with Z-cam E2-s6?
Asked by: Guilherme
No this is a (MFT Mount) and will only work on (MFT Mount) cameras
Answered by: Sean
Date published: 2021-04-13

If i use the metabones EF-m43 mount speed booster ...

If i use the metabones EF-m43 mount speed booster with a gh5 and this lens Sirui 50mm with ef mount with it still work correctly?
Asked by: Dennis
Because there is no current 50mm model of the Sirui 50mm f/1.8 Anamorphic 1.33x Lens with a Canon EF mount, this combination cannot be made. There is currently no EF-M to MFT speed booster, in regards to the EF-M version of the Sirui 50mm f/1.8 Anamorphic 1.33x Lens.
Answered by: JonathanS
Date published: 2022-09-15

Can I mount this lens to a Lumix S5? I understand ...

Can I mount this lens to a Lumix S5? I understand that I'll have to shoot in APSc mode, but will it physically connect and operate?
Asked by: Jamin
No, this lens will not go on the Lumix S5 because the camera has a Leica L mount and the lens has an MFT mount.
Answered by: Geetika
Date published: 2021-04-15

Is there any adapter out there to mount mft to ef ...

Is there any adapter out there to mount mft to ef or ef to mft?
Asked by: Nasty
At this time we have only the FotodioX Lens Mount Adapter for Micro Four Third Lens to Sony E-Mount Camera, BH #FOMFTNEX. We are not aware of an option that goes in the other direction. https://bhpho.to/3dNbVwB
Answered by: Joseph
Date published: 2020-10-21
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