TELEBINE waterproof telescope 28X150 high magnification professional outdoor telescope

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Get ready to experience the cosmos like never before with our best-selling waterproof telescope! With an incredible 28x150 high magnification, this professional outdoor star telescope will take you on a journey through the stars, revealing breathtaking details of the night sky that you've never seen before. Whether you're a seasoned astronomer or a beginner stargazer, our telescope is the perfect tool to explore the wonders of the universe. With its durable and waterproof design, you can take it anywhere and capture stunning views of celestial bodies in all weather conditions.

Magnification	28
Objective Lens Focal Length(mm)	840
Objective Lens Diameter(mm)	150
Objective Lens Type	Doublet Normal Lens
Prism type and effective light aperture	Off-axis roof prism(40mm Passage aperture)
Eyepiece Focal Length(mm)	30(Contact glass caliber 40mm)
Eyepiece Lens Structure(#Elements/# Groups)	9/5(Ultra Flat Field Design)
Real Field of View	2.7°
Apparent Field of View	75°
Field of View(m/1000m)	47
Field of View(ft/1000yds)	141
Exit Pupil(mm)	5.4
Relative Brightness	29.2
Eye Relief(mm)	22
Interpupillary distance	62-76
Minimum Focusing Distance(m)	40
Length(mm)	860(Telescopic hood)
Width(mm)	370
Height(mm)	235
Weigh(kg)	20(magnesium alloy)/ 24(Aluminum alloy)