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PENTAX - SD 9x42 Series Binoculars

Ref : 62751PENTAX

Available

Descriptive :

PENTAX - SD 9x42 Binoculars Series:

√ New multi-layer lens coating

√ New coating for light transmission

√ Special prism coating

√ Protective lens coating

√ Waterproof

√ Nitrogen-purged

√ Internal focusing system

S Series – Comprising models with porro prism and roof prism designs with large objective lenses (> 40mm). In addition to the new coating for enhanced light transmission, waterproof porro prism models also benefit from an anti-humidity coating, delivering sharp, bright views in all conditions.

The SD WP binoculars meet the traditional demand for 8x, 9x and 10x magnification. They feature all the qualities typical of PENTAX roof-prism binoculars: multi-layer lens coating, internal focusing, waterproofing, nitrogen purging and special coating on BaK4 prisms. The new light transmission coating provides ultra-sharp images. Their polycarbonate body helps keep them lightweight—an ideal choice for users who prefer compact equipment.

Key Features

New Multi-layer Lens Coating

The multi-layer coating improves light transmission through the lenses and reduces flare and ghosting. PENTAX applies several layers of coating to each lens and prism surface throughout its binocular lineup. This ensures better light transmission for clearer viewing.

New Light Transmission Coating

The complex optical design of roof-prism binoculars requires a high level of optical precision. A special coating on the prism surfaces ensures maximum viewing quality. PENTAX optimizes this with a new surface film technology for improved color rendition and brightness.

Protective Lens Coating

All glass surfaces are delicate and prone to scratches. To enhance the reliability of the waterproof models in the Z and S series, PENTAX has added a protective coating that repels water, oil, dirt, and dust. This makes the binoculars usable even in harsh conditions.

BaK4 Prism

Thanks to its excellent refractive index, the BaK4 glass prism—used in all PENTAX binoculars—is valued for producing a round exit pupil and eliminating vignetting.

Special Prism Coating

In roof-prism binoculars, light rays typically limit transmission. With this special coating, light loss is prevented. Unlike other brands that reserve this for high-end models, PENTAX includes it on all its roof-prism binoculars.

Waterproof Design

PENTAX waterproof products are fully sealed and nitrogen-purged in a lab, ensuring fog-free viewing even in extreme conditions. Rated JIS Class 6, they can be submerged in water up to 1 meter deep.

Internal Focusing Design

This construction is ideal for waterproof models requiring a fully sealed body. It also helps reduce size and weight while improving balance and reliability.

Nitrogen Purged

Nitrogen is a colorless, odorless, tasteless gas with very low moisture content. It is used to purge binoculars and spotting scopes of humidity. This prevents condensation on internal lenses during rapid temperature changes. With slightly higher-than-atmospheric internal pressure, it also blocks dust and small particles from entering.

Long Eye Relief

Almost all PENTAX binoculars feature long eye relief, allowing users to maintain a full field of view comfortably. Especially beneficial for eyeglass wearers, this also reduces eye strain during prolonged observation.

Other Features

Three-position retractable eyecups for precise adjustment and optimal viewing comfort.

Rubberized outer finish protects the binoculars from shocks and impacts.

SPECIFICATIONS:

Magnification: 9x

Objective lens diameter: 42 mm

Prism type: Roof prism with open-bridge design

Lens coatings: New multi-layer lens coating, new light transmission coating, protective lens coating

BaK4 prism with special coating

Relative brightness: 22.1

Field of view at 1000m: 107 m

Minimum focusing distance: 2.5 m