The Sirui 20mm T1.8 is an autofocus anamorphic lens for S35 frame cameras. It is part of the Astra Series and has a constant 1.33x squeeze ratio.
It uses an STM autofocus motor and has a fast T1.8 aperture. The lens is lightweight and produces distinctive bokeh.
It comes in two flare styles, blue flare and neutral flare. The Astra Series offers 20mm and 40mm focal lengths with one consistent spec.
- Series
- Astra
- Focal length
- 20mm
- Aperture
- T1.8
- Squeeze ratio
- 1.33x, constant
- Frame
- S35
- Focus
- STM autofocus
- Flare styles
- Blue flare or neutral flare