Monoculars Telescope High Power Astronomical Refractor Telescope, High Magnification Outdoor Professional Astronomical Telescope 270X Monocular Optical Refractor Design Tripod Binoculars

Magnification table: 20MM eyepiece +90 degrees just like mirror = 45 times 10MM eyepiece +90 degrees just like mirror = 90 times 20MM eyepiece +90 degrees just like mirror +3X multiplier = 135 times 10MM eyepiece +90 degrees just like mirror +3X zoom lens = 270 times Product parameters: Main mirror diameter: 70mm Main mirror focal length: 700mm Focus ratio: f/10 Optical system: refractive Optical coating: multi-layer coating Connection method: tail plate Tripod: reinforced stainless steel tripod Bracket: precision cast alloy plus Teflon self-lubricating follower theodolite Eyepiece: 10mm, 20mm Finder mirror: LED Barlow mirror: 3x Large available multiple: 210x Limit star: 11.7 Resolution: 1.98 arc seconds/1.66 angular seconds Concentration rate: 100× Product accessories: Main barrel Finder 90° mirror 10mm eyepiece/20mm eyepiece/3 × Extender Accessory tray tripod Certificate Instruction manual Binoculars High Power Adult Bird Watching Traveling Scopes Waterproof Range Finder Reflector Telescope Astronomical Science Refractor Tripod Astronomy Beginner Riflescopes Microscopes Monoculars Hiking Camping Travel Optical

• Upright Image Optics - Suitable for ground and astronomy long-lasting
• Quick release swallowtail attachment - no tool settings required
• Quick and easy toolless setup
• Optical tube length 36 inches (914 mm)
• Translation handle Alt-Az control belt clutch - the pointing is smooth and accurate. Optical lens diameter 2.6" (70mm) waterproof binoculars for adults high power binoculars for bird watching bird watching binoculars high powered binoculars bird watching binoculars for adults compact binoculars for boys binoculars for kids