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| Model name | MONARCH Fieldscope Objective Lens Unit 82 (OLU-82) |
MONARCH Fieldscope Objective Lens Unit 60 (OLU-60) |
|---|---|---|
| Objective diameter (mm) | 82 | 60 |
| Length (mm)*1 | 260 (293*2) | 208 (240*2) |
| Height (mm)*1 | 115 | 105 |
| Width (mm)*1 | 100 | 84 |
| Weight (g)*1 | 1,320 | 975 |
| Waterproof performance | Waterproof (up to 1m for 10 min.)*3 and fog-free with nitrogen gas | |
- *1Without caps.
- *2When hood is fully extended.
- *3This product will suffer no damage to the optical system if submerged or dropped in water to a maximum depth of 1 metre for up to 10 minutes. NOT designed for underwater usage.