| Camera No. | 01/04 | 01/05 | 01/06 | 01/07 |
| Camera Name | Sekonic Dualmatic- 50 | Argus Electric-Eye Zoom Eight | NIKKOREX-8 | NIKKOREX-8 |
| Film Size | 8mm | 8mm | 8mm | 8mm |
| Film Type | Dual | dual | dual | dual |
| Model | N/A | 409 | N/A | N/A |
| Camera Maker | Sekonic | Argus Inc. | Nippon Kogaku | Nippon Kogaku |
| Location | N/A | Chicago | Tokyo | Tokyo |
| Made in | Japan | Japan | Japan | Japan |
| Serial No. | 6324985 | 612254 | 60695 | 112477 |
| Lens | S-Resonars f1.8 13mm | Zoom S- Resonar Y f1.8 11.5- 32mm 616110 | Nikkor f1.8 10mm | Nikkor f1.8 10mm |
| Mechanism | Spring not work | Spring works | 4 AA bat | 4 AA bat |
| Condition | ** | *** | ** dent top | *** |
| Container | N/A | Original leather case | Original leather case | Original leather case |
| Additonal Parts | N/A | handle users manual | N/A | N/A |
| Lightmeter | built-in w/bat | built-in notwork | built-in | built-in |
| Features | Flip reverse design dual 8 | N/A | N/A | N/A |
| Patent No. | N/A | N/A | N/A | N/A |