lens:siruiironstar45mmt1.9
Table of Contents
Sirui IronStar 45mm T1.9
Summary
The IronStar series features 19-20 precision optical elements, including ED, aspherical and HRI components. It delivers sharp, accurate imagery with a subtle vintage glow—where modern engineering meets classic cinematic aesthetics.
Tech Specs
| Manufacturer | Sirui |
| Series | Anamorphic |
| Model | IronStar |
| Focal Length | 45mm |
| Max Aperture | T1.9 |
| Min Aperture | T16 |
| Format | Full Frame |
| Image Circle | - |
| Minimum Focus | 2ft 2in |
| Focus Rotation | 270° |
| Iris Blades | 16 |
| Optical Design | 19/14 |
| Squeeze | 1.5x |
| Front Diameter | 95mm |
| Filter Thread | 92mm |
| Focus/Zoom Rod | - |
| Native Mount | PL, EF |
| Data Protocol | none |
| Length | 5.4in |
| Weight | 2.2lb |
| Body Telescope | - |
| Body Material | aluminum |
| Focus Drive | manual |
| Iris Drive | manual |
| Zoom Drive | n/a |
History
Country of Origin: -
Release Date: -
Launch Price: -
Design Revisions:
Service
Notes
Media
lens/siruiironstar45mmt1.9 [.txt] · Last modified: 2025-08-20 / 07:23:54 am PDT by J