| Camera No. | 12/01 | 12/02 | 12/03 | 12/04 |
| Camera Name | Keystone CAPRI | Keystone CAPRI Deluxe | Keystone Electric-Ekye | Keystone Electric Eye |
| Film Size | 8mm | 8mm | 8mm | 8mm |
| Film Type | Double-8 | Double-8 | Double-8 | Double-8 |
| Model | K25 | K30 | KA-1 | K-4 |
| Camera Maker | Keystone | Keystone | Keystone | Keystone |
| Location | Boston 24 | Boston 24 | Boston 24 | Boston 24 |
| Made in | usa | usa | usa | usa |
| Serial No. | 983700 | 642930 | A6103 | E-9628 |
| Lens | Keystone-Elgeet 1/2" f:1.9 | Keystone-Elgeet 1/2" f:1.9 UNI-FOCUS | turret Keystone-Elgeet 13mm f:1.8 / WA 9mm f:1.8 / 25mm f:1.8 | turret Keystone-Elgeet 12.7mm f:1.8 / WA 7 1/2mm f:1.8 / Tele 25mm f:1.8 |
| Mechanism | spring works | spring works | spring works | spring works |
| Condition | *** | *** | *** | ** |
| Container | Original leather case | Original leather case | N/A | Original leather case |
| Additonal Parts | N/A | N/A | [] | [] |
| Lightmeter | N/A | N/A | built-in | built-in works |
| Features | N/A | N/A | N/A | N/A |
| Patent No. | N/A | N/A | N/A | N/A |