| Modellum | CH245B | |||
| Typus | Lens Latangularis | Cognatus Ill. | >70% | |
| Resolutio | MP | Princeps Ray Angle | <15° | |
| Forma Imaginis | 1/5″ et 1/6.5″ | MOD | 0.1m~∞ | |
| Circulus Imaginis | ф5.0mm (MAX) | Typus Montis | M12*P0.5 | |
| EFL (Latine fortasse "England") | 1.77mm | Figura Dimensionalis | ф14.00*L13.15mm | |
| TTL | 16.44mm | Structura Lentis | 5G | |
| F/NO. | 2.0 | Filtrum infrarubrum | T=50% et IR650±10nm | |
| FFL()M) | 3.29mm | Pondus | 4.5g | |
| BFL()O) | 3.77mm | Operatio Iridis | Fixum | |
| Pro Sensore | 1/5″ | Operatio Zoom | Fixum | |
| Campus Visus (vel Campus Visus) | Horizontalis | 111° | Operatio Focus | Manuale |
| Verticalis | 72° | Temperatura Operativa | -20°~+85° | |
| Diagonalis | 140° | Temperatura Reponendi | -20°~+85° | |
| Distortio OPT | <-25% | |||


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