astronomical telescope

... , it has a larger diameter (50 mm) and at very best price, do not take up place, suitable for beginners of amateur astronom...

... AZ Mount 80060mm s Objective diameter 60mm Focus length800mm Refractor 60Mm Clear Aperture 6...

... Professional Astronomical Telescope>: Astronomical telescopeastronomical dr...

... for Planet​ Features of our Visual resolution and optics are the best choice to provide low-end produ...

Waterproof Wide-view Binoculars 7x50 for Bird Watching with Blue Color Advertising WHERE THEEYE CAN SEE, THE HEARTCAN ALSO REACH OPEN THE WORLD ATA GL...

Shaft diameter ModelNo. Main dimensions Shoulder height Basic load rating (radial) Mass Inner diameter d Outer diameter D Roller pitch circle diameter...

Beginners Telescopes Long Focal Length Astronomical Telescope for Kids Adults Astronomy Parameter: 1) Interchangeable 18X and 60X eyepiece lense 2) Ey...

Kids Beginners 70mm HD Refractor With Tripod​ Product parameter optical system Refractor Model 15-50x70mm Objective 7...

T11.5606 Telescope, Refraction, F360, D60 Type Refraction Lens Clear Aperture 60mm Focal Length 360mm Eyepiece Dia.31.7 H20mm, H6mm Accessories Finder...

A true multi-purpose astronomical telescope. Overall performance: excellent optical design, precision machining, F-7 short focal ratio design, conveni...

... specialized in producing binoculars,rifle scopes, monocular, spotting scope, , optics accessories etc., for more than 15 ye...

...surveillance cameras. In the field of precision optics, such as aerospace remote sensing imaging and . In the polishing stag...

... corresponding marker, which can be obtained by look-up table corresponding to each unit of resolution. Its wide range of applications, from aviati...

... range -30°~+50° 3.5 x 40 Lamp voltage 3V Net weight 1.2kg A nautical sextant is an navigational instrument used by ships to...