Basic parameters of the Sinor X1650 telescope:
X1650: "16×50" likely refers to a magnification of 16x and an objective lens diameter of 50mm.
Magnification: 16x (high magnification is suitable for observing distant targets but requires a tripod to reduce hand shake).
Objective lens diameter: 50mm (moderate light intake, suitable for both daytime and low-light conditions).
Field of view angle: approximately 3°-4° (actual field of view may be 60-70 meters wide at 1000 meters).
Prism type: likely uses BAK4 prisms (high light transmittance) and fully multi-coated lenses (improves image brightness and color reproduction).
Material: metal + engineering plastic, with anti-slip rubber coating (durable and comfortable to hold).
Focusing system: central focus wheel + right eyepiece diopter adjustment (accommodates users with different vision levels).
Waterproof and fog-proof: some models support nitrogen-filled waterproofing (suitable for humid outdoor environments).
Accessories: tripod adapter, carrying case, lens cleaning cloth, user manual.