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

BH #SISR50L • MFR #SR50L
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Sirui 50mm f/1.8 Super35 Anamorphic 1.33x Lens (L 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 Leica L 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 Leica L 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

Key Specs
Focal Length
50mm
Maximum Aperture
f/1.8
Lens Mount
L-Mount
Lens Format Coverage
Super35/APS-C
Filter Thread
67 mm x 0.75
Image Stabilization
No
Electronic Communication
No
Maximum Aperture
f/1.8
Minimum Aperture
f/16
Lens Mount
L-Mount
Interchangeable Mount
No
Horizontal Squeeze (Anamorphic)
1.33x
Lens Format Coverage
Super35/APS-C
Image Circle
Not Specified by Manufacturer
Focus Scales
Imperial, Metric
Optical Design
11 Elements in 8 Groups
Filter Thread
67 mm x 0.75
Maximum Magnification Ratio
1:15.38
Diaphragm Blades
Not Specified by Manufacturer
Image Stabilization
No
Gear Standard
Not Specified by Manufacturer
Gear Rotation
Focus: 143.6°
Electronic Communication
No
Length
4.1" / 103.4 mm
Weight
20.8 oz / 589 g
Packaging Info
Package Weight
2.055 lb
Box Dimensions (LxWxH)
8 x 4.6 x 4.3"

Sirui 50mm F/1.8 Anamorphic Reviews

See any errors on this page? Let us know

Just to confirm, this is a L-Mount or MFT mount? ...

Just to confirm, this is a L-Mount or MFT mount? As the listing BH #SISR50L states it's an L-Mount.
Asked by: Sean
The Sirui 50mm f/1.8 Super35 Anamorphic 1.33x Lens (L Mount) is indeed an L-mount lens.
Answered by: Paige K
Date published: 2022-11-17

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

Does it works with BMPCC original HD ?

Does it works with BMPCC original HD ?
Asked by: Andres
Yes, the Sirui 50mm f/1.8 Anamorphic 1.33x Lens (MFT Mount) is compatible on all Blackmagic Design MFT cameras including the original Blackmagic Design Pocket Cinema Camera.
Answered by: Jonathan S
Date published: 2024-05-14

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
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