| Type | Lens | Film Format | Ground Coverage | Nominal Resolution | Scale |
| RC-10 | 6"/f4 | 9" X 9" | 30 X 30km (16x16 nmi) | 3-8m | 1:130,000 |
| RC-10 | 12"/f4 | 9" X 9" | 15 X 15km (8x8 nmi) | 1.5-4m | 1:65,000 |
| HR-732 | 24"/f8 | 9" X 18" | 7.4 X 15km (4x8 nmi) | 0.6-3m | 1:32,500 |
| IRIS (Panoramic) | 24"/f3.5 | 4.5" X 35" | 3.7 X 40km (2.0 x 21.4 nmi) | 0.3-2m (Nadir) | 1:32,500 |
Note: Spatial parameters are for the ER-2 at 19.8km (65,000 feet) altitude.
Missions are typically flown with 60% forward frame overlap for stereo coverage.