Canon 10x42 L IS WP vs Kowa Genesis 44 10.5x44
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Quick take: The Kowa Genesis 44 10.5x44 has a wider field of view (330 vs 315 ft @ 1000 yds); the Kowa Genesis 44 10.5x44 gathers more light with a larger 44mm objective.
Field of view, to scale
you2505007501000 yds
Distance200 yds
Canon 10x42 L IS WP6.0°
63 ft wide at 200 yds ≈ 1.6 school buses
Kowa Genesis 44 10.5x446.3°
66 ft wide at 200 yds ≈ 1.6 school buses
Top-down view · drawn to true scale — no exaggeration
| Spec | Canon 10x42 L IS WP | Kowa Genesis 44 10.5x44 |
|---|---|---|
| Approx. price | ~$1,500 | ~$1,500 |
| Rating | — | — |
| Use case | Birding | Birding |
| Magnification | 10x | 10x |
| Objective | 42mm | 44mm |
| Exit pupil | 4.2mm | 4.19mm |
| Field of view | 315 ft @ 1000 yds | 330 ft @ 1000 yds |
| Eye relief | 16mm | 16mm |
| Close focus | 8.2 ft | 5.9 ft |
| Prism | Roof | Roof |
| Glass | HD | FL |
| Coating | Fully Multi-Coated | Fully Multi-Coated |
| Weight | 35.6 oz | 30.2 oz |
| Dimensions | 5.9 x 5.1 in | 5.8 x 5.1 in |
| Warranty | 1 Year | Limited Lifetime |
Feature comparison
Canon 10x42 L IS WP
- ✗ED Glass
- ✓Phase-Corrected
- ✓Dielectric Coating
- ✓Waterproof
- ✓Fogproof
- ✓Image Stabilized
- ✓Tripod Adaptable
- ✗Magnesium Body
- ✗Locking Diopter
Kowa Genesis 44 10.5x44
- ✓ED Glass
- ✓Phase-Corrected
- ✓Dielectric Coating
- ✓Waterproof
- ✓Fogproof
- ✗Image Stabilized
- ✓Tripod Adaptable
- ✓Magnesium Body
- ✓Locking Diopter