Sirui 40mm T1.8 S35 Anamorphot 1.33x Neutral

Sony E, APS-C / DX
1Ratings
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Product details

The SIRUI 40AF 133X-EN is a compact autofocus anamorphic lens specifically designed for Sony E-Mount cameras. Weighing only 632 g and with a focal length of 40 mm (equivalent to 42 mm in full frame), it is ideal for a variety of photographic applications, including street, landscape, and portrait photography. The lens offers a constant squeeze factor of 1.33x, allowing for an impressive widescreen aspect ratio of 2.35:1. This gives the shots a cinematic look, enhanced by oval bokeh and precise color reproduction. The integrated STM stepper motor ensures fast and accurate autofocus, significantly simplifying the creation of anamorphic film footage. With a convenient AF/MF switch, users can easily toggle between autofocus and manual focus as needed, increasing flexibility in filming and photography.

  • Lightweight and compact design at only 632 g
  • Constant squeeze factor of 1.33x for cinematic shots
  • Integrated STM stepper motor for fast and precise autofocus
  • AF/MF switch for flexible focusing
  • Ideal for humanistic photography and landscape shots.

Key specifications

Lens type
Normal Lens
Bayonet lens mount
Sony E
Sensor compatibility
APS-C / DX
Focus type
Autofocus, Manual focus
Weight
623 g

General information

Item number
54202200
Manufacturer
Sirui
Category
Lenses
Manufacturer no.
11-03-01-000182
Release date
24.1.2025
Sales rank in Category Lenses
474 of 3336

Colour

Colour
Black

Focusing

Minimum focus distance
0.60 m

Camera lens properties

Lens type
Normal Lens
Bayonet lens mount
Sony E
Aperture
1.80 f/
Min. aperture
22 f/
Max. Focal length (exact)
42 mm
Focal length
42 mm
Sensor compatibility
APS-C / DX
Filter thread
77 mm
Number of lenses
16
Number of lens groups
12
Focus type
Autofocus, Manual focus

Objective 2 properties

Max. Focal length (exact)
0.04 m
Filter thread
0.08 m

Voluntary climate contribution

CO₂ emissions
0.31 kg
Climate contribution
CHF 0.11

Product dimensions

Weight
623 g
Diameter
80 mm

30-day right of return
6 years Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Lenses» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 9.Voigtländer
    0.7 %
  • 12.Tamron
    0.8 %
  • 13.Sirui
    0.9 %
  • 13.Thypoch
    0.9 %
  • 15.TTArtisan
    1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Sirui
    Not enough data
  • 1.TTArtisan
    1 day
  • 1.Viltrox
    1 day
  • 3.Laowa
    3 days
  • 4.Sigma
    5 days

Return rate

How often is a product of this brand in the «Lenses» category returned?

Source: Digitec Galaxus
  • 15.7artisans
    9.2 %
  • 15.Laowa
    9.2 %
  • 17.Sirui
    10 %
  • 18.Meike
    11.7 %
  • 19.Samyang
    12.8 %
Source: Digitec Galaxus