Sirui
Sirui 35mm F1.8 Anamorphic Lens with Adapter
★★★★★
F/1.8F/16
Bring 2.4:1 cinematic widescreen and signature anamorphic flares to your APS-C camera without renting a cinema rig.
$299.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Key Features
Solidly constructed with aircraft aluminum housing and precision copper focus components , the lens is compact and robust yet light enough to smoothly capture high quality images.
This brand new anamorphic pro lens achieves the field of view of a 26.3mm camera lens by widening the horizontal FOV up to 33%. Meanwhile, The 35mm F1.8 Anamorphic Lens uses its 1.33x squeeze factor to widen the horizontal field of view and produce a wider, full HD 2.4:1 cinematic video without any post-cropping.
As users adjust the aperture, the unique light streaks and star burst will adapt to the aperture value for the optimum cinematic visual effect. Eye your scenes through the lens and revive their beauty by adjusting the light setting between the F/1.8 and F/16 apertures.
Well-built with an innovative optical lens structure and German-manufactured Schott optical glass lens elements, the 35mm Anamorphic Lens is constructed with aircraft aluminum alloy and a precision CNC machining process.
This portable lens also excels at controlling chromatic dispersion to produce unique visual characteristics and provide sharp, high resolution images.In addtion, the compact lens further optimizes focusing and aperture control systems using the two additional Gear Rings (0.8 Module).
Specifications
Brand
Sirui
Focal Length
35mm
Maximum Aperture
F/1.8
Aperture Range
F/1.8 – F/16
Anamorphic Squeeze Factor
1.33x
Effective Horizontal FOV
~26.3mm equivalent (APS-C)
Output Aspect Ratio
2.4:1 (after de-squeeze)
Sensor Compatibility
APS-C
Mount
Nikon F (adapter included)
Lens Elements
Schott optical glass
Housing Material
Aircraft aluminum alloy (CNC machined)
Gear Ring Module
0.8 (focus and aperture)
Focus
Manual
Pros & Cons
👍 Pros
- 1.33x anamorphic squeeze produces a native 2.4:1 cinematic aspect ratio without post-cropping, preserving full sensor resolution in the widescreen frame.
- F/1.8 maximum aperture delivers strong low-light capability and a shallow depth of field with the distinctive oval bokeh unique to anamorphic optics.
- Schott optical glass elements and aircraft aluminum housing provide a build quality that punches well above the lens's price point compared to cinema glass rental costs.
- Gear rings (0.8 module) on both focus and aperture rings enable smooth follow-focus and lens motor compatibility for professional video rigs.
- Compact dimensions make it viable for gimbal work and travel rigs where a full anamorphic cinema lens would be impractical.
👎 Cons
- Manual focus only — no autofocus mechanism means this lens demands deliberate shooting technique and is unsuitable for run-and-gun work where subject distance changes rapidly.
- APS-C-only sensor compatibility excludes full-frame shooters unless they crop, which undermines the resolution advantage of larger sensors.
- 1.33x squeeze factor, while practical for post-workflow, produces subtler anamorphic characteristics than the more dramatic 1.5x or 2x squeeze ratios used in traditional cinema lenses.
- Chromatic aberration at f/1.8 in high-contrast edge situations requires stopping down or correction in post to achieve clinically clean results.
Frequently Asked Questions
What is the effective field of view when this lens is mounted on an APS-C body?
With the 1.33x anamorphic squeeze applied, the Sirui 35mm delivers the horizontal field of view equivalent to approximately a 26.3mm lens — wide enough for environmental portraits, street scenes, and run-and-gun documentary work on a crop sensor. After de-squeeze in post, you're working with a native 2.4:1 aspect ratio.
Does this lens require de-squeezing in post, and can mirrorless cameras preview de-squeezed footage in-camera?
Yes, the 1.33x squeezed image must be de-squeezed in post-production or, on supported mirrorless bodies, via an in-camera anamorphic preview mode. Many Fujifilm, Sony, and Blackmagic cameras support 1.33x de-squeeze preview natively — check your specific body's menu settings.
What do the anamorphic flares look like, and can they be controlled?
The RX22 produces horizontal blue-tinted oval bokeh and linear lens flares characteristic of the anamorphic format. Flare intensity and starburst character shift as you stop down — at f/1.8 the flares are prominent and organic, becoming more geometric and sunburst-like by f/8 to f/11. You have direct creative control through aperture selection.
What mounts are natively supported, and what does the included adapter add?
The lens ships with a Nikon F mount adapter included. The lens itself is available in multiple native mount versions — confirm which native mount your copy is specced for before purchasing, as the adapter is mount-specific and not universal.
Is this lens suitable for photography stills, or is it optimized for video?
While primarily marketed for cinematic video, the Sirui 35mm produces sharp, character-rich stills on APS-C sensors. The anamorphic oval bokeh in the background gives portrait and documentary stills a distinctive cinema quality. However, the manual focus-only design means it is most practical for controlled or deliberate still work, not fast-action shooting.
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