1. Basic parameters    Magnification: 7 times    Objective lens diameter: 18MMField of view: 6.5 degreesHorizon of kilometers: 128M/1200MExit pupil diameter: 2.8MMExit pupil distance: 12MMThe closest focusing distance: 1.6MDimensi..

All-metal mirror body, strong and durable, feel good! Anti-reflection objective lens is coated with blue film, light transmittance and high definition.[Size]: Only 35x22mm[Form]: 3 pieces of 2-group objective lens【Magnification】：2.5x17.5----[Exit pup..

Double-section stretching, fun and interestingThe choice of many telescope lovers, a telescope worthy of your collection!Structure: MonocularInstrument magnification: 10-300Exit pupil distance: 1000Exit pupil diameter: 1000Field of view: 1000..

1. Basic parametersMagnification: arbitrary zoom between 15 times and 55 timesObjective lens diameter: 21MMObjective: Two pieces of glass, coated with multi-layer blue filmPrism: BAK7 prism, a combination of first-level roof prism and half-roof prism..