| Brand | Coatings | Product line | Model | Aperture (ƒ) | Focal range (mm) | Optical Design (Elements / Groups) | Mount | Image Size | Filter size(s) | Serial # | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pentax | SMC | Pentax-A | 1:1.2 50mm | ƒ1.2 – 22 | 50 | 7 / 6 | K-A | 35mm | Front: 52 | 1416354 | Internal spot of fungus. |
| Pentax | SMC | Pentax-A | 1:1.4 50mm | ƒ1.4 – 22 | 50 | 7 / 6 | K-A | 35mm | Front: 49 | 1048827 | Part of a ten lens lot. Has a minor hitch in focusing ring. |
| Pentax | SMC | Pentax-A | 1:1.7 50mm | ƒ1.7 – 22 | 50 | 6 / 5 | K-A | 35mm | Front: 49 | 1228931 | Came with Super Program Body |
| Pentax | SMC | Pentax-A | 1:2 50mm | ƒ2 – 22 | 50 | 5 / 5 | K-A | 35mm | Front: 49 | 1938609 | Came with Program Plus camera |
| Count: 4 |
