| IR | Focal Length |
Minimum Aperture |
Lens | Filter | Weight | Notes | Images |
|---|---|---|---|---|---|---|---|
| 37mm | ƒ/2.8 | MIR-1b 37mm ƒ/2.8 |
⌀49mm | ||||
| 58mm | ƒ/2 | HELIOS 44M 58mm ƒ/2 |
⌀49mm | Report by Gus Potenza | |||
| 100mm | ƒ/2.8 | Vivitar Auto 100mm ƒ/2.8 |
⌀52mm |
M42 Lens Mount Adapters
Use an adapter to mount these lenses to many mirrorless cameras.