Pentax 16×50 S-Series SP Binocular

​The Pentax 16×50 S-Series SP Binoculars are designed for both astronomical and terrestrial observations, offering high magnification and superior optical clarity. They feature 16× magnification paired with large 50 mm objective lenses, delivering bright, sharp images with a field of view of approximately 61.2 meters at 1000 meters. The Porro prism design, equipped with BaK-4 glass and fully multicoated optics, enhances image depth and clarity.

With 13 mm eye relief and fold-down rubber eyecups, they provide comfortable viewing for users with or without glasses. Built to withstand various weather conditions, these binoculars are nitrogen-filled and O-ring sealed, making them waterproof and fog proof. Additional features include a large, knurled center focus wheel for precise adjustments, a right-eye diopter for personalized focus, and the option to mount them on a tripod using an optional adapter for extended viewing sessions.

Specifications:

Optical Performance:

• Magnification: 16×

• Objective Lens Diameter: 50 mm

• Prism Type: BaK-4 Porro

• Coatings: Fully multi-coated optics for improved light transmission

Field of View:

• Field of View: 61.2 meters at 1000 meters (183.7 feet at 1000 yards)

• Exit Pupil: 3.1 mm

Eye Comfort:

• Eye Relief: 13 mm

• Diopter Adjustment: Right-eye diopter for personalized focus

• Eyecups: Fold-down rubber for comfort

Focus System:

• Focus Mechanism: Center focus wheel

• Minimum Focusing Distance: 34 feet (approximately 10.36 meters)

Physical Build:

• Waterproofing: Yes, nitrogen-filled and O-ring sealed for fogproof and waterproof performance

• Dimensions: 7.8 x 6.5 x 2.3 inches (19.8 x 16.5 x 5.8 cm)

• Weight: 32 oz (907.2 grams)

Mounting:

• Tripod Adaptability: Yes, with optional tripod adapter