3 inches 76 - 700mm Reflector Newtonian HD Astronomical Telescope 350-time For Sale
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3 inches 76 - 700mm Reflector Newtonian HD Astronomical Telescope 350-time:
$69.90
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3 inches 76 - 700mm Reflector Newtonian HD Astronomical Telescope 350-time
Introductions:
1.The Telescope Works Better in Weak Light Surroundings than Ordinary Telescopes, But It Does not Work in Total Darkness. If You Mind this, Pls Do Not Buy.
2. Basic Waterproof Function Means the Telescope can Cope with Small Rain Drops or Water Drips but It will Get Spoiled under Massive Water Conditions.
3.Sharpness of separation: 1.84 Radian Per Second. (Theoretically speaking, it's able to distinguish 2 goods between 0.35in over 3280.8ft distance.
4.For the other possible Multiples: (the focal distance is 700mm)
-Eyepiece SR4mm Only = 700/4 = 175X. Matched with 2X Barlow lens = 175*2= 350X.Matched with 1.5X Erector Lens= 175*1.5= 262.5X zooming erect image. (Good for astronomical observation ).
-Eyepiece H12.5mm Only = 700/12.5= 56X. Matched with 2X Barlow lens = 56*2= 112X. Matched with 1.5X erector =84X amplification erect image. (Good for long distance seeing ).
-Eyepiece H20mm Only= 700/20=35X. Matched with 2X Barlow lens = 35*2= 70X. Matched with 1.5X erector = 52.5X erect image.(Good for sightseeing, or watching match, concert.)
Features:
【High Magnification】 It is equipped with 3 eyepieces SR4mm, H12.5m,H20mm, and 2X Barlow lens and 1.5X Erector Lens.Whether it's watching stars and moons at night or observing planets, our telescope is the best helper for kids & astronomy beginners.Max Multiples: 350 times
【Quick to Find the View】 Focal length 700mm with a finder scope help you to locate the object quickly. A solid & adjustable tripod which can be used on most surfaces can stabilizes the telescope when you focus. Whetheryou want to see the moon in the distance or the trees across the road, the telescope can help you quickly target.
【Large Aperture】 76mm aperture provides more lights and clearer images, even beginners can get clear images. The bigger the aperture, the bigger the field of vision, and the clearer the image. Imagine that the moon atnight is as clear and bright as the scenery during the day.
Specification:
Objective lens diameter: 76 mm (3in)
Focal Length: 700 mm (27.56in)
Focal Ratio: f/9.2
Eyepiece: SR4mm, H12.5mm, H20mm
Mount：Altazimuth
Adjustable Aluminium tripod (Height 23.6in/60cm - 49.2in/125cm)
Tripod:Heavy duty,large collapsible aluminum tripod
Weight:5500g
Package included:
1pcs x 76/700 mm reflector Astronomical Telescope
3pcs x Eyepiece SR4mm, H12.5mm, H20mm
1pcs x finder scope
1pcs x Barlow lens(2X)
1pcs x Erector Lens(1.5X)
1pcs x Tripod
1pcs x User Manual
