SPECIFICATIONS
| Model | RT-A-2428MF |
| Focal Length | 35 mm |
| Image Circle | 43.0 mm |
| Optical Format | 35mm Full Frame |
| Working Distance Range | 300 mm – infinity |
| F-number Range | f/2.5 ~ f/16 |
| Back Focal Distance | 34.4 mm |
| Maximum Distortion | 3.0 % |
MECHANICAL
| Camera Mount | M42 x 1 (T-Mount) |
| Filter Thread | M52 x 0.75 |
| Focus Control | Manual with locking screw |
| Aperture Control | Manual with locking screw |
| Lens Diameter | 60.0 mm |
| Lens Length | 43.7 mm |
| Lens Mass | 230 g |
