Practical Telescope Practical Telescope Telescopes for Astronomy Portable 70Mm Refractor Practical Telescope Telescope

Equipped with eyepiece: H6mm H20mm the multiples are 300/6 = 50X 300/20 = 15X If you choose the 3X Barlow lens together the multiples are 50x3 = 150X 15x3 = 45X More 1.5 x the positive lens again the multiples are 50 x = 75X 15x1.5 = 22.5X Model: 10 * 20 Type of: Astronomical Practical telescope Telescope Silver color Product size (Length x width x height): 31.50x10.50x10.50 cm / 12.4x4.13x4.13 inches Package size (L x W x H): 46.50 x 22.00 x 11.50 cm / 18.31 x 8.66 x 4.53 inches Package content: 1 astronomical Practical telescope Telescope ADJUSTABLE FOCUS LENGTH. Telescopic monocular lens cone and adjustable eye cup fit for people to use according to using habit. DUAL FOCUS DESIGN. Easy to focus the twistup eyecup can adjust the appropriate height and then adjust the focus adjustment and zoom adjustment until the view become clear the small monocular is suitable for both adults and kids. HIGH QUALITY AND WATERPROOF DESIGN. The compact monocular is made of magnesium aluminum alloy and rubber material and the lens is filled with the highpurity nitrogen waterproof and antifogging so that it can be used in any weather and any environment. WIDE FIELD OF VIEW. 45.5m80.5m/1000m BAK4 prism with multilayer broadband green film and HD blue film increase light transmission for brighter and highercontrast images. The powerful monocular will help you see in night with low light but nothing in the co

• Ocular: H6mm H20mm
• 3X Barlow lens
• 1.5X positive lens
• Note: maximum magnification: 150X (focal length of the lens / focal length of the eyepiece x Barlow multiplier = maximum magnification)
• About multiples: