Sirui
20mm T1.8 1.33x
SIRUI 20mm T1.8 1.33X S35 Frame Autofocus Anamorphic Lens
Sirui 20mm T1.8 1.33x is a 20mm cine lens for the Fujifilm X mount, equivalent to 30mm on full frame, with a maximum aperture of T1.8 and autofocus. It weighs 488.4 g.
· 2 finishes
Photo Guangdong SIRUI Optical Co., Ltd.Optics
- Type
- Prime · Cine
- Specialty
- Anamorphic
- Focal length
- 20mm (30mm eq.)
- Angle of view
- 78.3°
- Aperture
- T1.8 – T22
- Blades
- 11
- Aperture ring
- Click / de-click switch
- Construction
- 16 el. / 12 gr.
- Special elements
- 1 aspherical, 5 cylindrical
- Anamorphic squeeze
- 1.33×
- Designed for
- APS-C
Focus
- Type
- Autofocus, stepping motor
- Minimum distance
- 0.40 m
- Magnification
- —
Size and mount
- Diameter × length
- 86.4 × 91.3 mm
- Weight
- 488.4 g
- Filter
- 77 mm front
- Mount
- Native X mount
Features
- Yes
- Aperture ring, Clickless aperture, Electronic contacts
- No
- —
History
- Maker
- Sirui · CN
- Announced
- —
- Status
- Current
S35/APS-C autofocus anamorphic with STM motor and AF/MF switch. Neutral and blue flare versions are listed as variants (variant "color" is the flare coating). The official spec table gives 16 elements in 12 groups for both the 20mm and the 40mm.