Sirui 40AF 133X-XN 40mm T1.81.33X S35 AF Anamorphic Objektiv (Fuji X-mount, Neutral Flare)

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Product details

The SIRUI 40AF 133X-XN is a compact autofocus anamorphic lens specifically designed for the Fuji X-Mount. 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 stepping motor ensures fast and accurate autofocus, significantly simplifying the creation of anamorphic film shots. With a convenient AF/MF switch, users can easily toggle between autofocus and manual focus as needed, increasing flexibility when shooting and filming.

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

Key specifications

Lens type
Anamorphic lens
Focus type
Autofocus, Manual focus
Weight
623 g

General information

Item number
54202225
Manufacturer
Sirui
Category
Lenses
Manufacturer no.
11-03-01-000188
Release date
24.1.2025

Colour

Colour
Black

Material

Material group
Glass, Metal
Material
Aspherical lens, cylindrical lenses

Focusing

Minimum focus distance
0.60 m

Camera lens properties

Lens type
Anamorphic lens
Aperture
1.80 f/
Focal length
40 mm
Number of lenses
16
Number of lens groups
12
Lens equipment
Internal focusing, Metal bayonet
Focus type
Autofocus, Manual focus

Voluntary climate contribution

CO₂ emissions
1.63 kg
Climate contribution
CHF 0.11

Product dimensions

Weight
623 g

Package dimensions

Length
21 cm
Width
15 cm
Height
16 cm
Weight
1.34 kg

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
  • 14.Panasonic
    9.1 %
  • 15.Laowa
    9.2 %
  • 15.Sirui
    9.2 %
  • 17.7artisans
    9.4 %
  • 18.Meike
    11.8 %
Source: Digitec Galaxus