| Model Name | RS AF Module FE |
| Filter Size (mm) | F 49.0 |
| Maximum Diameter (mm) | F 63.0 |
| Length | 19.5mm / 0.77in |
| Weight (without Lens Cap, Hood) | 58.1g / 2.05oz |
| AF Motor | STM |
| AF/MF Mode Switch | O |
| Mount | Sony FE |
| Model | Model Name | RS 21mm F3.5 FE | RS 28mm F3.5 FE | RS 32mm F2.8 FE |
| Aperture | Aperture Range | F3.5 ~ F22 | F3.5 ~ F22 | F2.8 ~ F22 |
| Lens Construction | Elements in Groups | 7 Elements in 6 Groups | 6 Elements in 6 Groups | 6 Elements in 6 Groups |
| Special Lens | Special Lens | PMo 2, ED 1 | PMo 2, HR 1, ED 1 | PMo 2, HR 1 |
| Minimum Focus Distance | AF / MF | 0.18m (0.59ft) / 0.15m (0.49ft) | 0.30m (0.98ft) / 0.23m (0.75ft) | 0.37m (1.21ft) / 0.28m (0.92ft) |
| Magnification Ratio | AF / MF | 0.16x / 0.23x | 0.12x / 0.17x | 0.11x / 0.15x |
| Angle of View | Full Frame | 93.6° | 73.0° | 64.6° |
| APS-C | 69.0° | 52.2° | 46.2° | |
| Weight | Without Module, Lens Cap, Hood | 12.6g / 0.44oz | 12.5g / 0.44oz | 8.4g / 0.3oz |
| Coating | Coating | UMC | UMC | UMC |
| Blades | Number of Blades | 7 | 7 | 7 |