RM 3590.00
SKU: 40AF133X-EN
Manual and Autofocus Anamorphic Prime
Capture cinematic widescreen footage with the aid of an autofocus option using the Sirui Sony E-mount 40mm T1.8 1.33x S35 AF Anamorphic Lens. This innovative prime lens uses an STM motor for fast, accurate autofocus while offering manual focus for more complicated shots handled by a camera assistant/focus puller. It produces neutral flares that are a classic feature of the anamorphic format and has a fast T1.8 maximum aperture lens that is ideal for low-light capture and for creating distinctive bokeh effects.
Super 35 Coverage
Manual and Autofocus

High Optical Performance
Ideal for Low-Light Shooting

Flares and Distinctive Bokeh

All Around Prime
Compact Cine-Style Form

Key Specs
| Focal Length |
40mm |
| Maximum Aperture |
T1.8 |
| Lens Mount |
Sony E |
| Lens Format Coverage |
Super35/APS-C |
| Filter Thread |
77 mm x 0.75 |
| Image Stabilization |
No |
| Electronic Communication |
Yes |
| Maximum Aperture |
T1.8 |
| Minimum Aperture |
T22 |
| Lens Mount |
Sony E |
| Interchangeable Mount |
No |
| Horizontal Squeeze (Anamorphic) |
1.33x |
| Flare Color |
Neutral |
| Lens Format Coverage |
Super35/APS-C |
| Image Circle |
37.0 mm |
| Angle of View |
Super 35 |
| Optical Design |
16 Elements in 12 Groups |
| Filter Thread |
77 mm x 0.75 |
| Minimum Focus Distance |
1.97' / 60.05 cm |
| Aperture/Iris Blades |
11 |
| Image Stabilization |
No |
| Gear Standard |
: MOD |
| Gear Rotation |
Focus: 360° |
| Electronic Communication |
Yes |
| Camera Connection |
Flat Contacts (EXIF) Data |
| Diameter |
Front: 3.1" / 80 mm |
| Length |
Not Specified by Manufacturer |
| Weight |
1.4 lb / 614 g |
Packaging Info
| Package Weight |
3.015 lb |
| Box Dimensions (LxWxH) |
8.3 x 6.1 x 6" |