Pentax SD 7x42 ED Binoculars

Incorporating large, 42-millimeter diameter objective lenses in a dependable, waterproof body, these new models deliver a sharp, high-contrast image even in unfavorable lighting conditions, such as in twilight. They also incorporate ED (Extra-low Dispersion) optical elements for effective compensation of chromatic aberration — for the first time in S-series models — to deliver a clear view of the image field rivaling that of upper-class models.

Key Features

- First S-series models to feature ED (Extra-low Dispersion) glass elements, assuring a clear, high-contrast view of the image field and effective compensate of chromatic aberration

- 42-millimeter-diameter objective lenses to assure outstanding viewing performance, effortless observation of the subject and great operability

- Application of a full multi-coating process and a special coating process designed to optimise light transmittance, assuring a clear view of the subject with minimal glare and ghost images

- Waterproof construction equivalent to JIS Class 6 standards for dependable use in adverse weather conditions

Bright, clear viewing

As with PENTAX’s top-end Z-series models, these new models provide sharp, high-contrast images with minimal glare and ghost images, thanks to the application of a full multi-coating process to all lens surfaces and a special coating designed to optimise light transmittance. They also feature large, 42-millimeter diameter objective lenses to deliver a bright, clear view even in unfavorable lighting conditions, such as in twilight. The PENTAX SD 7x42 ED features a large six-millimeter exit pupil, making it ideal for astronomical observation.

ED optical elements

As the first PENTAX S-series models to incorporate ED (Extra-low Dispersion) optical elements for effective compensation of chromatic aberration, these binoculars deliver a sharp, high-contrast, blur-free image of the subject.

Dependable waterproof construction for use in harsh conditions

Thanks to their dependable waterproof construction (equivalent to JIS Class 6 standards for watertight designs submersible to a depth of one meter), these models can be used in almost all weather conditions, and can be easily rinsed clean with water. The nitrogen-filled design prevents the interior lens surfaces from fogging caused by sudden temperature changes.

Specifications

Type: Roof prism, Center focusing, waterproof 

Magnification: 7x 

Effective diameter of objective lens: 42mm

Real field of view: 7.5° 

Field of view at 1000m: 131m

Exit pupil aperture: 6.1mm 

Eye relief: 18.2mm

Relative brightness: 37.2

Focusing range: 3.0m - ∞ 

Interpupillary distance adjustment: 56~78mm 

Dimensions (HxWxD): 147.6mm x 136mm x 54mm

Weight: 715g 

Waterproof: 1m depth of water (equivalent to JIS class 6), Nitrogen filled 

Accessories: Objective lens caps, Eyepiecelens cap, Case, Neck strap