Description
The Sirui AF 40mm T1.8 1.33x S35 Anamorphic Lens for Mirrorless Cameras is an impressive anamorphic lens that combines cinematic quality, a modern autofocus system, and the distinctive visual signature of classic widescreen. This model uses a 1.33x squeeze factor to transform standard 16:9 footage into a true 2.35:1 Cinemascope image, ideal for professional videographers, creative directors, and content creators looking for an authentic cinematic atmosphere straight from the camera.
With a focal length of 40mm, the lens offers a natural, slightly compressed perspective, similar to classic cinema portrait and dialogue lenses. The horizontal field of view, equivalent to approximately 42mm full-frame, provides an exceptional balance between intimacy and space in the frame. This makes the lens ideal for dramatic scenes, portraits, interviews, music videos, product shots, advertising productions and situations where the subject needs to be isolated with an expressive look.
The characteristic oval bokeh, typical of anamorphic lenses, emphasizes the subject by separating it from the background and adds a cinematic aesthetic with a soft, emotional character. At the same time, neutral lens flares create a subtle filmic glow that does not dominate the frame, but enriches the visual experience in a natural and unobtrusive way.
The T1.8 aperture allows shooting in low light and opens up creative possibilities for controlling depth of field. At 40mm, this effect is particularly strong, with subjects clearly separated from a smoothly defocused background, achieving a characteristic cinematic softness and drama. The minimum focusing distance allows for impressively detailed shots, in which the anamorphic character stands out even more.
The lens is designed with a 37mm image circle that fully covers Super 35 sensors. It can also be used on full-frame cameras in crop mode, while retaining the full anamorphic vision. The included aspherical element reduces chromatic aberrations and improves resolution, allowing for clear and crisp shots even in high light contrasts.
The lens uses an advanced STM stepping motor, providing fast, precise and near-silent autofocus. Supported functions include Eye Tracking AF, AF-MF switch and AF-Lock button, giving the operator complete control in a variety of shooting situations.
For professional cinematographers and filmmakers, the lens features standard 0.8 MOD gears on the focus and aperture rings, fully compatible with all follow focus, motorized systems and cinema rigs. This ensures smooth, precise and repeatable operation, essential for anamorphic shooting, where micro-focus and precise movements are critical.
The lightweight and durable construction combined with compact dimensions makes the Sirui AF 40mm T1.8 1.33x Anamorphic an ideal solution for mobile creative teams, flexible film productions and videographers who want a true cinematic image, modern AF and professional ergonomics in one affordable and powerful tool.
Characteristics
| General features | |
| Filter Thread | 77 mm |
| Aperture Max | T1.8 |
| Aperture Min | T22 |
| Minimum Focus Distance | 60.05 cm |
| Optical Design | 12/16 |
| Angle of View | Horizontal: 55° Vertical: 25.4° |
| Diaphragm Blades | 11 |
| Weight | 614 g |
Box contents
Front cap
Rear cap
Case
Case strap
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| Creditor | - |
| Price: | 1 599,00 BGN |
| Initial installment: | 0 лв |
| On Leasing: | 0 лв |
| Monthly installments: | - |
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