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Sirui 50mm f/1.8 Super35 Anamorphic 1.33x Lens (RF Mount)

BH #SISR50RF • MFR #SR50RF
Sirui 50mm f/1.8 Super35 Anamorphic 1.33x Lens (RF Mount)
Key Features
  • Covers Super35/APS-C Sensors
  • f/1.8 to f/16 Aperture Range
  • 69.2mm Maximum Diameter
  • 11 Elements in 8 Groups
This 50mm f/1.8 Super35 Anamorphic 1.33x Lens from Sirui adds 1.33x anamorphic squeeze to your images to achieve standard 2.4:1 widescreen aspect ratios. Designed for Super35/APS-C cameras with a Canon RF mount, the lens features an aperture range of f/1.8 to f/16. A lens construction of 11 elements in 8 groups creates the characteristic, stretched oval bokeh of anamorphic lenses for a unique cinematic look.

The focus ring is capable of rotating 143.6° for intuitive control. A 67mm filter thread allows you to add compatible filters and customize your exposure. Markings on the lens are in both feet and meters. When used with a full-frame sensor, the 50mm lens is equivalent to a 53mm lens horizontally.

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Sirui 50mm F/1.8 Anamorphic Overview

By B&H Photo's

This 50mm f/1.8 Super35 Anamorphic 1.33x Lens from Sirui adds 1.33x anamorphic squeeze to your images to achieve standard 2.4:1 widescreen aspect ratios. Designed for Super35/APS-C cameras with a Canon RF mount, the lens features an aperture range of f/1.8 to f/16. A lens construction of 11 elements in 8 groups creates the characteristic, stretched oval bokeh of anamorphic lenses for a unique cinematic look.

The focus ring is capable of rotating 143.6° for intuitive control. A 67mm filter thread allows you to add compatible filters and customize your exposure. Markings on the lens are in both feet and meters. When used with a full-frame sensor, the 50mm lens is equivalent to a 53mm lens horizontally.

Features at a Glance
  • Anamorphic 2.4:1 de-squeezed format in 16:9
  • Maximum f/1.8 aperture for low-light advantage, a deeper depth of view, and increased area of focus
  • Lens construction of 11 elements in 8 groups for smooth, circular bokeh
  • 143.6° focus ring rotation
  • Markings in feet and meters
  • 69.2mm maximum diameter, 67mm filter thread
  • Equivalent to 53mm full-frame lens horizontally
  • 1:15.38 vertical magnification, 1:20.17 horizontal magnification

Sirui 50mm F/1.8 Anamorphic Specs

Focal Length
50mm
Lens Mount
Canon RF
Lens Format Coverage
Super35/APS-C
Maximum Aperture
f/1.8
Minimum Aperture
f/16
Optical Design
11 Elements in 8 Groups
Filter Thread
67 mm x 0.75
Focus Scales
Metric, Imperial
Focus Rotation
143.6°
Horizontal Squeeze (Anamorphic)
1.33x
Maximum Magnification Ratio
1:15.38
Image Stabilization
No
Lens Support
No
Length
4.1" / 103.4 mm
Weight
20.8 oz / 589 g
Packaging Info
Package Weight
2.075 lb
Box Dimensions (LxWxH)
7.3 x 4.9 x 4.3"

Sirui 50mm F/1.8 Anamorphic Reviews

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What is the crop factor when using this lens with ...

What is the crop factor when using this lens with the Red Komodo (RF Mount)? And, what is the Full Frame Equivalent?
Asked by: Tim
The Sirui 50mm f/1.8 Super35 Anamorphic 1.33x Lens (RF Mount) covers Super 35mm sensors like that on the RED DIGITAL CINEMA KOMODO 6K Digital Cinema Camera (Canon RF), so there is no crop factor. If matching to full frame, the equivalent on the full-frame sensor will be 75mm.
Answered by: Richard
Date published: 2023-08-21

Will this work on the R7?

Will this work on the R7?
Asked by: Ethan
Yes, the Sirui 50mm f/1.8 Super35 Anamorphic 1.33x Lens (RF Mount) can be used on the Canon EOS R7 Mirrorless Camera.
Answered by: Richard
Date published: 2023-03-21

will not work on the R8?

will not work on the R8?
Asked by: Rich
The Sirui 50mm f/1.8 Super35 Anamorphic 1.33x Lens (RF Mount) only covers the s35 sensor area, so the Canon EOS R8 will need to be set into cropped video mode to use the lens on the camera.
Answered by: Jonathan S
Date published: 2023-11-30

What diameter is the focus ring? I want to get ...

What diameter is the focus ring? I want to get some smallrig gear rings and am not sure what size to get?
Asked by: Isaac
We recommend the Cool-Lux LuxGear Follow Focus Gear Ring (60 to 61.9mm) (BH #COLG6061 • MFR #951410)
Answered by: jabarih
Date published: 2021-08-25

What is the focal length equivalent on a Fuji ...

What is the focal length equivalent on a Fuji camera?
Asked by: Robert
The focal length equivalent of the Sirui 50mm Anamorphic 1.33 Lens will be 38mm.
Answered by: Nick Y
Date published: 2022-11-02

Does this work with GH5?

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

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
As long as your camera and the lens are both Sony E mount compatible it should work
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: Nick Y
Date published: 2021-05-05
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