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EGOERA Space Astronomic Telescope, Professional 150X Kids Telescopes Sky Monocular Telescopes for Kids with Tripod and 2 Options Eyepiece Educational Toys for Sky Star Gazing
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*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
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About EGOERA Space Astronomic Telescope, Professional
Features: - Model: Space astronomic telescope - Material: ABS acrylic + aluminum alloy + optical glass - Color: Silver - Weight: 1.70 kg Package Weight with box: 1.85kg - Aperture: 70mm (2.4 inch) - Focal Length: 300mm - Oblique Mirror: 90 degrees - Aluminum Tripod : The most highest 38cm - Eyepiece: H6mm, H20mm - 3X the Barlow lens - 1.5X erecting eyepiece Note: This maximum magnification: 150X (lens focal length / eyepiece focal length x Barlow multiplier = maximum magnification) About Multiples: - Equipped with eyepiece: H6mm, H20mm, multiples are 300/6 = 50X, 300/20 = 15X - If choose 3X Barlow lens together, multiples are 50 x 3 = 150X, 15 x 3 = 45X - Plus 1.5X the positive lens again, multiples are 50 x 1.5 = 75X, 15 x 1.5 = 22.5X The formula: - Objective lens focal length / eyepiece focal length x Barlow multiplier = maximum magnification - Objective lens focal length / eyepiece focal length = magnification Please Note: 1. Multiples of course are not the only, and it depends on the combination of factors aperture and focal length. (For example, if the window is big, the natural light is good, and the view is clear.) 2. When use 3X Barlow lens, installed Barlow lens first, and then install the eyepiece. ( When install the Barlow lens, we need to move out the lid on the installation device of eyepiece.) 3. We just can choose one eyepiece to install at the same time, so does the Barlow lens. Installation: Install tripod first, and then attached eyepiece (H20mm or H6mm), moon mirror (can be installed or not, it is recommended to install when there is strong light) Package Contents: 1*telescope, 1*H20mm eyepiece, 1*H6mm eyepiece, 3*barlow lens,1*1.5X erecting eyepiece, 1*moon mirror, 1*coated lens, 1* Tripod.
