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

L-Mount
2Ratings
Currently out of stock
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Product details

The Sirui 40AF133X-LB is an innovative autofocus anamorphic lens specifically designed for creative photographers and filmmakers. Weighing only 632 g and featuring a compact design, it is ideal for on-the-go use. The lens offers a focal length of 40 mm, which corresponds to an equivalent focal length of 42 mm in full frame, making it excellent for various photographic applications, including street, landscape, and portrait photography. The constant squeeze factor of 1.33x allows for an impressive widescreen aspect ratio of 2.35:1, resulting in a cinematic look. The combination of blue flare and oval bokeh adds a unique aesthetic to the images, enriching the visual experience. The advanced STM stepping motor ensures fast and precise autofocus, while the AF/MF switch allows for flexible handling between autofocus and manual focus. This lens is thus a valuable addition to any camera kit.

  • Lightweight and compact design at only 632 g
  • 1.33x squeeze factor for a cinematic aspect ratio of 2.35:1
  • Advanced STM 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
Bayonet lens mount
L-Mount
Focus type
Autofocus
Weight
632 g

General information

Item number
58540807
Manufacturer
Sirui
Category
Lenses
Manufacturer no.
11-03-01-000183
Release date
14.5.2025

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
Bayonet lens mount
L-Mount
Aperture
1.80 f/
Min. focal length (exact)
40 mm
Max. Focal length (exact)
40 mm
Focal length
40 mm
Number of lenses
16
Number of lens groups
12
Lens equipment
Video lens
Focus type
Autofocus

Product dimensions

Weight
632 g

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