Outdoor activities, Night watch, Concert/competition
Eye Relief
15 mm (at 10x) to 14 mm (at 20x)
Close Focus Distance
4.5 m
Wide Angle Grade
BSV-4-SA
Waterproof Grade
BSW-4 (splash resistant)
Coating Grade
BSC-4441/AL (Multi-layer broadband coating)
High Definition Grade
BSR-3-SD
Weight
490 g
Dimensions
230 x 80 x 65 mm
Large focus wheel for easy single-hand operation
Large-scale anti-slip rubber grip for comfortable and secure handling
Stereoscopic metal nameplate
MC multi-layer broadband coating for enhanced light transmission and color fidelity
50 mm large objective lens for brighter, sharper imaging and wider viewing range
Compact and portable design with ergonomic grip
Splash-proof housing with BSW-4 level protection
Hidden tripod interface and hanging objective lens caps
Suitable for outdoor activities including travel, sightseeing, sports events, bird watching, and stargazing
Variable zoom ratio of 2x ensures stable image quality and comfortable viewing experience
Designed to minimize image shake and optical axis deviation during zoom adjustment
Ideal magnification range for handheld use with stable image quality between 10x and 20x
Suitable for users requiring detailed observation with comfortable eye relief, including eyeglass wearers
Can be paired with a tripod for enhanced stability if needed
Manufactured and developed by BOSMA with R&D centers in Guangzhou, Nanjing, Kunming, and the USA
BOSMA is a reputable brand with extensive experience in optical instruments including telescopes, rifle scopes, night vision devices, rangefinders, and holographic microscopes
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