Sirui 40AF133X-MB 40mm T1.81.33X S35 AF Anamorphic Objektiv (MFT mount, Blue Flare)

Micro Four Thirds
2Ratings
Delivered between Tue, 21.4. and Thu, 30.4.
More than 10 pieces in stock at supplier
free shipping

Product details

The Sirui 40AF133X-MB is a compact autofocus anamorphic lens specifically designed for MFT 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 maximum aperture of T1.8 and a constant 1.33x squeeze factor, allowing for an impressive widescreen aspect ratio of 2.35:1. The combination of blue flare and oval bokeh gives the images a cinematic look that enriches the visual storytelling. The integrated STM stepping motor ensures fast and precise autofocus, significantly facilitating the creation of anamorphic film shots. With a convenient AF/MF switch, users can easily toggle between autofocus and manual focus as needed, enhancing flexibility in filming and photography.

  • First autofocus anamorphic lens in a compact design
  • 1.33x squeeze factor for a cinematic widescreen aspect ratio of 2.35:1
  • Integrated STM stepping motor for fast and precise autofocus
  • AF/MF switch for flexible focusing
  • Ideal for humanistic photography and creative film projects.

Key specifications

Lens type
Anamorphic lens
Sensor compatibility
Micro Four Thirds
Focus type
Autofocus
Weight
623 g

General information

Item number
54202257
Manufacturer
Sirui
Category
Lenses
Manufacturer no.
11-03-01-000185
Release date
24.1.2025

Colour

Colour
Black

Material

Material group
Glass, Metal
Material
16 elements in 12 groups

Focusing

Minimum focus distance
0.60 m

Camera lens properties

Lens type
Anamorphic lens
Aperture
1.80 f/
Min. focal length (exact)
40 mm
Max. Focal length (exact)
40 mm
Focal length
40 mm
Sensor compatibility
Micro Four Thirds
Number of lenses
16
Number of lens groups
12
Lens equipment
Video lens
Focus type
Autofocus

Voluntary climate contribution

CO₂ emissions
0.31 kg
Climate contribution
CHF 0.11

Product dimensions

Weight
623 g

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

Compare products

Goes with

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
    9.6 %
  • 18.Meike
    11.8 %
  • 19.Samyang
    12.8 %
Source: Digitec Galaxus