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PENTAX - SD 8x42 Series Binoculars

Ref : 62761PENTAX

Available

Descriptive :

PENTAX – SD 8x42 Binoculars Series:

√ New multi-coating on lenses
√ New light transmission coating
√ Special prism treatment
√ Protective lens coating
√ Waterproof
√ Nitrogen-purged
√ Internal focusing mechanism

S Series –
Comprising models with Porro and roof prisms, all equipped with large objective lenses (>40mm). In addition to the new light transmission coating, the waterproof Porro prism models also benefit from an anti-fog coating, ensuring bright, high-contrast viewing in all conditions.

The SD WP binoculars meet the traditional demand for 8x, 9x, and 10x magnifications. They offer all the premium features found in PENTAX roof prism binoculars: multi-coated lenses, internal focusing, waterproof sealing, nitrogen purging, and special BaK4 prism treatment. The new light transmission coating delivers ultra-sharp images. Their polycarbonate body keeps the weight low, making them ideal for users who prefer compact, lightweight equipment.

Key Features

New multi-coating on lenses
The multi-layer coating enhances light transmission through the lenses and reduces flare and ghosting. PENTAX applies multiple coatings to every lens and prism surface across the entire binocular range. This ensures better light transmission and sharper viewing.

New light transmission coating
The complex optical design of roof prism binoculars provides compactness and reliability but demands optical precision. A special coating is applied to the roof prism surfaces for optimal viewing quality. PENTAX improves this performance by using a new surface film technology on both lenses and prisms, enhancing brightness and color rendering.

Protective lens coating
All glass surfaces are delicate and must be protected from scratches. To increase durability, PENTAX applies a protective coating to waterproof models in the Z and S series, repelling water, oil, dirt, and dust. This ensures reliable performance even in harsh observation conditions.

BaK4 Prism
Thanks to its excellent refractive index, the BaK4 glass prism—standard in all PENTAX binoculars—is highly regarded for its perfectly round exit pupil and lack of vignetting.

Special prism treatment
In roof prism binoculars, light transmission is typically limited by internal reflection. PENTAX applies a special treatment to eliminate loss of light. Unlike many manufacturers who reserve this for their high-end models, PENTAX applies it across all its roof prism binoculars.

Waterproof construction
PENTAX waterproof binoculars are fully sealed and nitrogen-purged in the lab to ensure fog-free viewing in even the harshest conditions. With a JIS Class 6 rating, these binoculars can be submerged up to 1 meter underwater.

Internal focusing mechanism
Ideal for waterproof models, internal focusing ensures a fully sealed body. It also allows for a more compact and lightweight design, improved balance, and greater 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 humid air. Due to its low moisture content, nitrogen prevents condensation on internal lenses during rapid temperature changes. Additionally, the slight overpressure from sealing prevents dust and tiny particles from entering the body.

Long eye relief
Almost all PENTAX binoculars feature generous eye relief, allowing users to enjoy the full field of view in comfort. This is especially beneficial for eyeglass wearers and enables extended observation without eye strain.

Additional Features

3-position twist-up eyecups for precise adjustment and maximum viewing comfort
Rubber-coated exterior for impact and shock resistance

Specifications:

Magnification: 8x
Objective Lens Diameter: 42 mm
Prism Type: Roof Prism
Lens Coating: New multi-layer coating, new light transmission coating, protective lens coating
Prism: BaK4 with special prism treatment
Relative Brightness: 28.1
Field of View (at 1000m): 131 m
Minimum Focus Distance: 2.5 m
Exit Pupil: 5.3 mm
Eye Relief: 21 mm
Eyecups: Twist-up, 3-position
Waterproofing: Yes (JIS Class 6) – Nitrogen-purged
Tripod Adapter: Compatible with TP-3 adapter – PENTAX Code No. 69554
Dimensions (LxWxH in mm): 148 x 134 x 52
Weight (g): 640
Included Accessories: Lens caps, eyepiece caps, carrying case, neck strap