Kowa Genesis PROMINAR 8x33
Model GN33-8
The Kowa Genesis PROMINAR 8×33 is a mid-size roof-prism binocular designed for clear, wide-field outdoor observation. It combines 8x magnification and 33mm objective lenses with four XD extra-low dispersion elements to help reduce chromatic aberration and preserve image detail. Its 8.0° field of view supports tracking birds and wildlife, while the 4.9 ft close-focus distance allows viewing nearby subjects. A waterproof, nitrogen-filled body adds protection for changing outdoor conditions during birdwatching, travel, and everyday use.
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Key Features
The Kowa Genesis PROMINAR 8×33 combines 8x magnification, 33mm objective lenses, and four XD extra-low dispersion elements for detailed outdoor observation. Its wide 8.0° field of view, 4.9 ft close-focus distance, and waterproof, nitrogen-filled construction make it a versatile choice for birdwatching, wildlife observation, and travel.
8x
Magnification
33 mm
Objective Lens
4 XD Elements
Optical Design
Waterproof & Fogproof
Weather Protection
420 ft
Field of View at 1,000 yd
4.9 ft
Minimum Focus Distance
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Quick Specifications
| Specification | Details |
|---|---|
| Magnification | 8x |
| Objective Lens Diameter | 33 mm |
| Prism Type | Roof Prism |
| Optical Glass | XD Extra-Low Dispersion Glass |
| Field of View | 8.0° (420 ft at 1,000 yd) |
| Exit Pupil | 4.1 mm |
| Eye Relief | 15 mm |
| Minimum Focus Distance | 4.9 ft (1.5 m) |
| Weather Protection | Waterproof, Nitrogen-Filled |
| Weight | 590 g (20.8 oz) |
About This Model
The Kowa Genesis PROMINAR 8×33 is a mid-size roof-prism binocular designed for users who want detailed outdoor viewing without carrying a full-size optical system. Its 8x magnification and 33mm objective lenses provide a practical balance between image detail, portability, and viewing comfort. The optical system incorporates four XD extra-low dispersion elements to help control chromatic aberration and maintain image clarity.
A wide 8.0° field of view, equivalent to 420 feet at 1,000 yards, makes the Genesis PROMINAR 8×33 useful for following moving birds, scanning natural landscapes, and observing wildlife. Its 4.9-foot minimum focusing distance also allows users to examine nearby subjects, adding versatility for nature observation and everyday outdoor use.
The binoculars feature a waterproof, nitrogen-filled construction designed to protect the internal optics against moisture and prevent internal fogging during changing weather conditions. With its compact mid-size format and 8x optical configuration, the Kowa Genesis PROMINAR 8×33 is a versatile option for birdwatching, wildlife observation, hiking, and travel.
Full Specifications
The Kowa Genesis PROMINAR 8×33 features an advanced roof-prism optical system with 8x magnification, 33mm objective lenses, and four XD extra-low dispersion elements. Designed for detailed outdoor observation, these binoculars provide an 8.0° wide field of view, 4.9 ft close focusing, and 15mm eye relief. Multi-coated optics, phase-corrected prisms, and Kowa C3 coating support sharp, high-contrast images with accurate color reproduction. Waterproof, nitrogen-filled construction and a compact 590g body make the Genesis 8×33 a versatile choice for birdwatching, wildlife observation, and travel.
| Specification | Details |
|---|---|
| Model | Kowa Genesis PROMINAR 8x33 |
| Manufacturer Model Code | GN33-8 |
| Magnification | 8x |
| Objective Lens Effective Diameter | 33 mm |
| Prism Type | Roof Prism (Schmidt-Pechan) |
| Optical Design | Central Focusing, Internal Focusing |
| Lens Type | 4 XD Extra-Low Dispersion Lenses |
| Real Field of View | 8.0° |
| Field of View at 1,000 yd | 420 ft |
| Field of View at 1,000 m | 140 m |
| Exit Pupil Diameter | 4.1 mm |
| Relative Brightness | 16.8 |
| Twilight Factor | 16.4 |
| Eye Relief | 15 mm |
| Minimum Focusing Distance | 4.9 ft (1.5 m) |
| Focusing Range | 1.5 m to Infinity |
| Interpupillary Distance | 56–73 mm |
| Diopter Adjustment | Locking Diopter Ring |
| Eyecups | Multi-Step Twist-Up Eyecups (4 Positions) |
| Optical Coatings | C3 Multi-Coating, Phase-Corrected Prism Coating, KR Lens Coating |
| Waterproof Construction | Waterproof Housing |
| Fogproof Protection | Dry Nitrogen-Filled |
| Tripod Adaptability | Suitable for Tripod Adapter |
| Body Protection | Rubber Armored Exterior |
| Dimensions (L × W × H) | 133 × 126 × 51 mm (5.1 × 4.7 × 2.0 in) |
| Weight | 590 g (20.8 oz) |
| Included Accessories | Soft Case, Strap, 2 Objective Lens Caps, Eyepiece Cap, Lens Cleaning Cloth, Instruction Manual |
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Where to Buy
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