Bushnell Sentry 18-36x50mm Spotting Scope

The Bushnell Sentry spotting scope delivers a versatile 18–36x magnification range with a 50mm objective for field observation, birding, and target spotting. Its HDOS (High Definition Optical System) pairs ED Prime extra-low dispersion glass with premium BaK-4 prisms and fully multi-coated lenses to improve color fidelity and edge-to-edge clarity. The housing is waterproof and fogproof for reliable performance in variable outdoor conditions, and the manufacturer lists included tripod, hard case and soft case.

Key Specifications

• The magnification range is 18-36x for flexible viewing at varied distances.
• The objective diameter is 50mm to support low-light performance.
• The optic coating is Fully Multi Coated to maximize light transmission and contrast.
• The construction is Fog/Waterproof with O-ring sealing for protection against moisture.
• The finish is Matte in Black for reduced reflections and a discreet profile.
• The model name is Sentry from Bushnell.
• The product type is listed as Spotting suitable for observation and spotting duties.
• The manufacturer lists the weight as 7.24 (unit not specified in source data).
• The package includes tripod, hard case and soft case as noted in manufacturer materials.
• The optical system incorporates ED Prime extra-low dispersion glass and BaK-4 prisms for improved image fidelity.

Designed for observers and field users who demand dependable optics in varied environments, the Sentry balances high-magnification capability with a compact 50mm objective. Its combination of ED glass, BaK-4 prisms and complete multi-coating produces clear, color-accurate images while the sealed housing stands up to damp or changing conditions. This spotting scope is a practical choice for birdwatching, range spotting, and other outdoor observation tasks where durable construction and reliable optical performance matter.