Vortex Viper HD 10x42 vs Nikon Monarch M7 8x42
vs
Quick take: The Vortex Viper HD 10x42 reaches farther (10x vs 8x); the Nikon Monarch M7 8x42 has a wider field of view (420 vs 319 ft @ 1000 yds).
Field of view, to scale
you2505007501000 yds
Distance200 yds
Vortex Viper HD 10x426.1°
64 ft wide at 200 yds ≈ 1.6 school buses
Nikon Monarch M7 8x428.0°
84 ft wide at 200 yds ≈ 2.1 school buses
Top-down view · drawn to true scale — no exaggeration
| Spec | Vortex Viper HD 10x42 | Nikon Monarch M7 8x42 |
|---|---|---|
| Approx. price | ~$500 | ~$500 |
| Rating | — | — |
| Use case | Birding | Birding |
| Magnification | 10x | 8x |
| Objective | 42mm | 42mm |
| Exit pupil | 4.2mm | 5.25mm |
| Field of view | 319 ft @ 1000 yds | 420 ft @ 1000 yds |
| Eye relief | 16.5mm | 18.6mm |
| Close focus | 5 ft | 6.6 ft |
| Prism | Roof | Roof |
| Glass | HD | ED |
| Coating | Fully Multi-Coated | Fully Multi-Coated |
| Weight | 24.4 oz | 22 oz |
| Dimensions | 5.8 x 5.1 in | 5.5 x 5.0 in |
| Warranty | Lifetime (VIP) | Limited Lifetime |
Feature comparison
Vortex Viper HD 10x42
- ✓ED Glass
- ✓Phase-Corrected
- ✓Dielectric Coating
- ✓Waterproof
- ✓Fogproof
- ✗Image Stabilized
- ✓Tripod Adaptable
- ✗Magnesium Body
- ✓Locking Diopter
Nikon Monarch M7 8x42
- ✓ED Glass
- ✓Phase-Corrected
- ✓Dielectric Coating
- ✓Waterproof
- ✓Fogproof
- ✗Image Stabilized
- ✓Tripod Adaptable
- ✗Magnesium Body
- ✓Locking Diopter