Sirui 40AF 133X-LN 40mm T1.81.33X S35 AF Anamorphic Objektiv (Nikon L-mount, Neutral Flare)

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Product details

The Sirui 40AF 133X-LN is an innovative anamorphic lens specifically designed for the Nikon L-Mount. Weighing just 632 g, it features a compact design that makes it ideal for mobile film and photography projects. The lens has a focal length of 40 mm, which corresponds to an equivalent focal length of 42 mm in full-frame format. It is equipped with a constant T1.8 aperture, providing excellent light sensitivity and allowing for impressive shots even in low light conditions. The 1.33x squeeze factor results in a wide aspect ratio of 2.35:1, creating a cinematic look suitable for both street and portrait photography. The integrated STM stepping motor enables fast and precise autofocus, making filming and photography easier, while the AF/MF switch allows for flexible handling between autofocus and manual focus. This lens is therefore a valuable addition for creative professionals seeking a powerful and user-friendly solution.

  • First autofocus anamorphic lens in a compact size
  • 1.33x squeeze factor for a cinematic 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, landscape, and portrait shots.

Key specifications

Weight
623 g
Focus type
Autofocus
Lens type
Anamorphic lens
Focal length
40 mm
Item number
58540809

General information

Manufacturer
Sirui
Category
Lenses
Manufacturer no.
11-03-01-000184
Release date
14.5.2025

Camera lens properties

Lens type
Anamorphic lens
Focal length
40 mm
Number of lenses
623
Number of lens groups
12
Focus type
Autofocus

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Weight
623 g

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
  • 8.Fujifilm
    0.6 %
  • 9.Olympus
    0.7 %
  • 10.Sirui
    0.9 %
  • 10.TTArtisan
    0.9 %
  • 12.Tamron
    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.Samyang
    1 day
  • 1.Viltrox
    1 day
  • 3.TTArtisan
    2 days
  • 4.Sigma
    4 days

Return rate

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

Source: Digitec Galaxus
  • 13.7artisans
    8.7 %
  • 14.OM System
    8.8 %
  • 15.Sirui
    9.2 %
  • 16.Dzofilm
    10.3 %
  • 17.Samyang
    12 %
Source: Digitec Galaxus