150X Professional Astronomical Telescope Smart Star Search by Phone 70 mm Wide Angle Student Space Observation Telescope with Tripod
Feature
-Easy to install, the manual teaches you how to assemble
-For those who love astronomy, this is the most suitable for you, the operation is simple and not complicated
-High-definition visual enjoyment, can clearly see the vast stars
-70mm aperture and 300mm focal length provide more light and clearer images, the larger the aperture, the larger the field of view, and the clearer the image
-The best gift for children to cultivate a heart of exploration
-Not only can you admire the dazzling starry sky, you can also see the lights of the city
Specification
Optical system: refraction
Linear field of view: 61 feet (19 meters)
Caliber: 70 mm
Focal length: 300 mm
teleconverter: 3x/1.5x
Focus ratio: 5.7
Exit pupil diameter: 2.2mm
Resolution: <=4.0
Magnification: 150 times
Distortion: 4.9%
Viewing angle: 1.30°
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
