Nikon Monarch M5 10x50 vs Nikon OceanPro 7x50
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Quick take: The Nikon OceanPro 7x50 costs $20 less; the Nikon Monarch M5 10x50 reaches farther (10x vs 7x); the Nikon OceanPro 7x50 has a wider field of view (378 vs 267 ft @ 1000 yds).
Field of view, to scale
you2505007501000 yds
Distance200 yds
Nikon Monarch M5 10x505.1°
53 ft wide at 200 yds
Nikon OceanPro 7x507.2°
76 ft wide at 200 yds ≈ 1.9 school buses
Top-down view · drawn to true scale — no exaggeration
| Spec | Nikon Monarch M5 10x50 | Nikon OceanPro 7x50 |
|---|---|---|
| Approx. price | ~$300 | ~$280 |
| Rating | — | — |
| Use case | Astronomy | Marine |
| Magnification | 10x | 7x |
| Objective | 50mm | 50mm |
| Exit pupil | 5.0mm | 7.1mm |
| Field of view | 267 ft @ 1000 yds | 378 ft @ 1000 yds |
| Eye relief | 18.4mm | 22.7mm |
| Close focus | 16.4 ft | 33 ft |
| Prism | Roof | Porro |
| Glass | ED | BaK-4 |
| Coating | Fully Multi-Coated | Multi-Coated |
| Weight | 28.2 oz | 38 oz |
| Dimensions | 6.7 x 5.2 in | 7.6 x 8.0 in |
| Warranty | Limited Lifetime | Limited Lifetime |
Feature comparison
Nikon Monarch M5 10x50
- ✓ED Glass
- ✓Phase-Corrected
- ✓Dielectric Coating
- ✓Waterproof
- ✓Fogproof
- ✗Image Stabilized
- ✓Tripod Adaptable
- ✗Magnesium Body
- ✓Locking Diopter
Nikon OceanPro 7x50
- ✗ED Glass
- ✗Phase-Corrected
- ✗Dielectric Coating
- ✓Waterproof
- ✓Fogproof
- ✗Image Stabilized
- ✗Tripod Adaptable
- ✗Magnesium Body
- ✗Locking Diopter