Sirui 40mm T1.8 1.33X S35 AF Anamorphic
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Specifications
Brand | Sirui |
---|---|
Category | Normal, Anamorphic |
Prime or Zoom | Prime |
Focus Type | Auto |
Focal length (mm) | 40 |
Aperture (max) | 1.8 |
Filter Size (mm) | 77 |
Weight (g) | 614 |
Length (mm) | 95 |
Diameter (mm) | 86 |
Weather Sealed | ✘ |
Image Stabilization | ✘ |
Min. focus distance (m) | 0.6 |
Max. magnification | 1:8.3 |
Release Year | 2024 |
Release Price (USD) | 599 |

Description and Reviews
From Sirui:
STM Motor Fast Autofocus. Advanced STM motor is added to achieve fast, accurate autofocus and eye focus, allowing you to focus on the subject during photo taking or follow the subject during video recording.
40mm All-around Focal Length - ideal for street, humanist, landscape, portrait photography, etc. Horizontally equivalent to full frame 42mm.
1.33x Squeeze Factor. The lens will produce a wide-screen aspect ratio of 2.35:1 in 16:9 shooting mode. This dynamic capability transforms your visuals into a captivating cinematic experience.
Large aperture makes sure more light enters the sensor in low light situation so that it can reduce ISO and you can get a pure night scene. The 40mm produces a distinctive hexagonal elliptical bokeh when the aperture is fully open, transitioning into the signature 1.33x elliptical shape at T2.4.
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