| Brand | Coatings | Product line | Model | Aperture (ƒ) | Focal range (mm) | Optical Design (Elements / Groups) | Mount | Image Size | Filter size(s) | Serial # | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Helios | MMZ | Helios-44-2 2/58 | ƒ2 – 16 | 58 | 6 / 4 | M42 | 35mm | Front: 49 | N9085713 | Zebra focusing ring. Really stiff focus ring. | |
| Helios | MMZ | гелиос-44-2 2/58 | ƒ2 – 16 | 58 | 6 / 4 | M42 | 35mm | Front: 49 | 7922474 | Modified to have square aperture. | |
| Helios | MC | Valdai | Helios-44M-7 | ƒ2 – 16 | 58 | 6 / 4 | M42 | 35mm | Front: 52 | 92442015 | Came with Zenit 122 camera. Bent filter ring |
| Count: 3 |
