M42 Lens Database: UltraWide
| Name | Vendor | Focal range | Max. aperture |
|---|---|---|---|
| Prakticar Auto 24mm f/2.8-22 | Prakticar | 24mm | 28 |
| Prinzflex Auto Reflex 23mm f/3.5-22 | Prinz | 23mm | 3.5 |
| Raynox 25mm f/3.5-22 (preset) | Raynox | 25mm | 3.5 |
| Raynox Auto Ww 25mm f/3.5-22 | Raynox | 25mm | 3.5 |
| Revue Automatic 24mm f/4-16 | Revue | 24mm | 4 |
| Revuenon Macro-Auto-Revuenon 24mm f/4-16 | Revuenon | 24mm | 4 |
| Revuenon MC Macro-Revuenon 24mm f/4-16 | Revuenon | 24mm | 4 |
| Rexagon Automatic 23mm f/3.5-22 | Rexagon | 23mm | 3.5 |
| Ricoh Rikenon 21mm f/3.8-16 | Ricoh | 21mm | 3.8 |
| Rollei-HFT Distagon 25mm f/2.8-22 | Rollei | 25mm | 2.8 |
| Rubimat Ww-Auto 25mm f/3.5-22 | Rubimat | 25mm | 3.5 |
| Sicor Super Coated Auto 23mm f/3.5-22 | Sicor | 23mm | 3.5 |
| Sigma Filtermatic Wide YS 24mm f/2.8-22 | Sigma | 24mm | 2.8 |
| Soligor C/D MC Wide-Auto 20mm f/2.8-22 | Soligor | 20mm | 2.8 |
| Soligor MC Wide-Auto 23mm f/3.5-22 | Soligor | 23mm | 3.5 |
