| Camera No. | 20/13 | 20/14 | 20/15 |
| Camera Name | Stewart-Warner Buddy 8 | Keystone Camera | Keystone Camera |
| Film Size | 8mm | 8mm | 8mm |
| Film Type | Double-8 | Double-8 | Double-8 |
| Model | 532-A | K-36 | K-36 |
| Camera Maker | Stewart-Warner | Keystone Mfg. Co. | Keystone Mfg. Co. |
| Location | Chicago | Boston Mass | Boston Mass |
| Made in | usa | usa | usa |
| Serial No. | 12960 | H 5304 | K-8327 |
| Lens | Wollensak VELOSTIGMAT f1.9 | Wollensak 1/2 inch f/3.5 CINE RAPTAR | Wallensak-Keystone 13mm f/2.8 CINE RAPTAR |
| Mechanism | spring works | spring works | spring works |
| Condition | ***** | *** | *** |
| Container | original wood case | N/A | N/A |
| Additonal Parts | wrist strap | large loading label | N/A |
| Lightmeter | N/A | N/A | N/A |
| Features | very similar to Keystone 20/01 | N/A | large loading label |
| Patent No. | PENDING | 2 082 505 2 168 941 | 2 082 505 2 168 941 |