Kowa Genesis PROMINAR 10x33
Model GN33-10
The Kowa Genesis PROMINAR 10×33 is a premium mid-size roof-prism binocular for detailed outdoor observation. It combines 10x magnification and 33mm objective lenses with four XD extra-low dispersion elements to help reduce chromatic aberration and preserve image detail. Its 6.8° field of view supports birdwatching and wildlife viewing, while the 4.9 ft close-focus distance helps observe nearby subjects. A magnesium alloy body, waterproof construction, and dry nitrogen filling make it a practical choice for travel and outdoor use.
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Key Features
The Kowa Genesis PROMINAR 10×33 combines 10x magnification, 33mm objective lenses, and four XD extra-low dispersion elements for detailed outdoor observation. Its 6.8° field of view, 4.9 ft close-focus distance, and waterproof, nitrogen-filled construction make it a versatile option for birdwatching, wildlife observation, and travel.
10x
Magnification
33 mm
Objective Lenses
4 XD Elements
Optical Design
357 ft
Field of View at 1,000 yd
4.9 ft
Minimum Focus Distance
Waterproof & Fogproof
Weather Protection
Explore Related Binocular Categories
Explore binocular categories related to the Kowa Genesis PROMINAR 10×33, including 10x magnification, ED glass optics, waterproof construction, and close-focus performance. Compare models with similar optical features to find binoculars suited to detailed observation, birdwatching, and outdoor activities.
10x Binoculars
10x magnification brings distant subjects closer, making these binoculars suitable for observing wildlife, identifying birds, and viewing details across open landscapes.
ED Glass Binoculars
Extra-low dispersion glass helps reduce chromatic aberration and color fringing, supporting clearer images and better-defined details during outdoor observation
Waterproof Binoculars
Waterproof construction helps protect internal optical components from moisture, making these binoculars more practical for outdoor use in changing weather conditions.
Close Focus Binoculars
A minimum focusing distance of 4.9 feet allows observation of nearby subjects, adding versatility for examining plants, insects, and other details at short range.
Quick Specifications
| Specification | Details |
|---|---|
| Magnification | 10x |
| Objective Lens Diameter | 33 mm |
| Prism Type | Roof Prism |
| Optical Glass | XD (Extra-Low Dispersion) |
| Field of View | 357 ft at 1,000 yd (6.8°) |
| Exit Pupil | 3.3 mm |
| Eye Relief | 15 mm |
| Minimum Focus Distance | 4.9 ft (1.5 m) |
| Waterproof & Fogproof | Yes, nitrogen-filled |
| Weight | 20.8 oz (590 g) |
About This Model
The Kowa Genesis PROMINAR 10×33 is a premium mid-size roof-prism binocular designed for detailed observation in a relatively compact format. It combines 10x magnification and 33mm objective lenses with four XD extra-low dispersion elements to help reduce chromatic aberration and maintain image clarity. Its 6.8° field of view provides a viewing width of 357 feet at 1,000 yards, making it suitable for observing birds, wildlife, and distant outdoor subjects.
The optical system features phase-corrected Schmidt roof prisms and Kowa’s multi-coated optics, including KR protective coating on the external lens surfaces. A 3.3mm exit pupil and 15mm eye relief define its viewing characteristics, while the 4.9-foot minimum focusing distance allows users to examine nearby subjects. The center focusing mechanism and adjustable eyecups support practical handling during regular observation.
The Genesis PROMINAR 10×33 features a magnesium alloy body with protective rubber armor, combining a durable construction with a weight of approximately 20.8 ounces. Its waterproof design and dry nitrogen filling help protect the internal optics against moisture and fogging. These characteristics make it a versatile option for birdwatching, wildlife observation, hunting, and travel, particularly when a portable binocular with 10x magnification is preferred.
Full Specifications
Explore the complete Kowa Genesis PROMINAR 10×33 specifications, including its 10x magnification, 33mm objective lenses, four XD optical elements, and 6.8° field of view. This detailed reference covers optical performance, focusing distance, eye relief, prism coatings, magnesium alloy construction, waterproof protection, physical dimensions, and weight. Review the technical details of this premium mid-size roof-prism binocular to understand its design and capabilities for birdwatching, wildlife observation, and outdoor use.
| Specification | Details |
|---|---|
| Model | Kowa Genesis PROMINAR 10x33 |
| Series | Genesis 33 |
| Manufacturer Model Number | 10560 |
| Magnification | 10x |
| Objective Lens Diameter | 33 mm |
| Prism Design | Roof Prism (Schmidt Prism System) |
| Optical Glass | Kowa XD (Extra-Low Dispersion) Glass |
| XD Lens Elements | 4 Elements (2 Sets of 2) |
| Optical Coatings | Kowa C3 Multi-Coatings |
| Prism Coating | Phase-Corrected Prism Coating |
| Lens Protection Coating | Kowa KR Protective Coating |
| Real Field of View | 6.8° |
| Field of View at 1,000 yd | 357 ft |
| Field of View at 1,000 m | 119 m |
| Exit Pupil Diameter | 3.3 mm |
| Relative Brightness | 10.9 |
| Twilight Factor | 18.2 |
| Eye Relief | 15 mm |
| Minimum Focusing Distance | 4.9 ft (1.5 m) |
| Interpupillary Distance | 56–73 mm |
| Focusing System | Center Focus Wheel |
| Diopter Adjustment | Adjustable Diopter |
| Eyecups | Twist-Up |
| Waterproof Construction | Yes |
| Fogproof Protection | Dry Nitrogen-Filled |
| Body Material | Magnesium Alloy |
| Body Protection | Rubber Armor |
| Length | 5.2 in (133 mm) |
| Width | 5.0 in (126 mm) |
| Height | 2.0 in (51 mm) |
| Weight | 20.8 oz (590 g) |
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Where to Buy
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