Vortex Viper HD 10x50 vs Leupold BX-4 Pro Guide HD 10x42
vs
Quick take: The Leupold BX-4 Pro Guide HD 10x42 has a wider field of view (326 vs 288 ft @ 1000 yds); the Vortex Viper HD 10x50 gathers more light with a larger 50mm objective.
Field of view, to scale
you2505007501000 yds
Distance200 yds
Vortex Viper HD 10x505.5°
58 ft wide at 200 yds
Leupold BX-4 Pro Guide HD 10x426.2°
65 ft wide at 200 yds ≈ 1.6 school buses
Top-down view · drawn to true scale — no exaggeration
| Spec | Vortex Viper HD 10x50 | Leupold BX-4 Pro Guide HD 10x42 |
|---|---|---|
| Approx. price | ~$530 | ~$530 |
| Rating | — | — |
| Use case | Hunting | Hunting |
| Magnification | 10x | 10x |
| Objective | 50mm | 42mm |
| Exit pupil | 5.0mm | 4.2mm |
| Field of view | 288 ft @ 1000 yds | 326 ft @ 1000 yds |
| Eye relief | 17mm | 16.5mm |
| Close focus | 6 ft | 5.5 ft |
| Prism | Roof | Roof |
| Glass | HD | HD |
| Coating | Fully Multi-Coated | Fully Multi-Coated |
| Weight | 28.6 oz | 23.4 oz |
| Dimensions | 6.4 x 5.4 in | 5.6 x 5.0 in |
| Warranty | Lifetime (VIP) | Lifetime |
Feature comparison
Vortex Viper HD 10x50
- ✓ED Glass
- ✓Phase-Corrected
- ✓Dielectric Coating
- ✓Waterproof
- ✓Fogproof
- ✗Image Stabilized
- ✓Tripod Adaptable
- ✗Magnesium Body
- ✓Locking Diopter
Leupold BX-4 Pro Guide HD 10x42
- ✓ED Glass
- ✓Phase-Corrected
- ✓Dielectric Coating
- ✓Waterproof
- ✓Fogproof
- ✗Image Stabilized
- ✓Tripod Adaptable
- ✓Magnesium Body
- ✓Locking Diopter