Focal Length 300mm 70mm Aperture Fully Coated Refractor Astronomical Telescope
Parameters for YBoptics Telescope
| optical system | Refractor Telescope |
| Model | 15-50x70mm |
| Objective | 70mm |
| Focal length | 300mm |
| Focal ratio | 4.29 |
| Eyepiece | 60mm / 20mm |
| Angle of view | 1.2° |
| Magnification | 15x - 50x |
| Finder Mirror | 5x24 |
| Zenith Mirror | 0.965" |
| Optical Coating | FMC Green Film |
| Barov Extender | 1.5x ; 3x |
| Exit Pupil Diameter | 1.8mm |
| Resolution | ≤4.0 |
| Tripod | Aluminum Alloy Retractable Tripod |
| Weight | 2kg |
| Packing Dimension | 65*23*13cm |
| Main Material | optical glass, aluminum, iron, plastic |
2 Years Warranty.
Introductions of Astronomical Telescope 70x300mm
The 30070 astronomical telescope is set-up to make astronomy easy for the beginner. You’ll be able to get very good views of the planets, the moon, nebulas and the brighter galaxies, and the f/4.29 focal ratio ensures bright images of the targets you choose to observe.
The 300 focal length and 70 mm aperture provide high light-gathering power and a wide field of view. Fully coated lenses can reduce reflection loss and better light transmittance, thereby ensuring bright and clear images.
H20mm, F12mm and F6mm have three interchangeable eyepieces available in sizes 18X, 30X and 60X. 1.5X and 3X extenders are also included for enlargement.
Storage Conditions: should be stored in a sheltered,dry place, no acid gas, alkali and harmful substances around.
Description of 30070 Telescope
Designed with quality innovation for beginner stargazers, the 70x300mm astronomical telescope is a professionally engineered refractor telescope that is perfect for kinds of outdoor viewing on the go. It’s the perfect portable telescope for beginners, adults and kids to use together with its fully-coated, high-quality glass optics, including a refractor-style 70mm objective lens. The aperture allows high-resolution viewing, without adding a lot of extra weight. Added coating on the 70mm lens allows light to enter, providing sharper, crisper viewing of most objects.
What's in a Standard Packaging Box?
Astronomical telescope: 1
Soft bag: 1
Portable carrying box: 1
Cleaning cloth: 1
Manual: 1
More charge optional accessories:
- Wireless controller
- Phone adapter
Related Rangefinders
We offer OEM / ODM service; Customize scopes according to your specific requirements.
Company Profile
Shifang Yuantong Optical Instrument Co., Ltd., with 2 X ISO9001 factories,is one stop solution service provider for spotting scopes, binoculars, monocular, night vision, astronomical telescope, rangefinder, variable zoom telescope, rifle scope, scope accessories etc.,
Also provide OEM/ODM/customization service.
welcome customers from all over the world.We are sincerely dedicated to partnering with you to get win-win.
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Fully Coated Astronomical Refractor Telescope Focal Length 300mm 70mm Aperture Images
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