-40%
D150F750 Newtonian Reflective Astronomical Telescope Professional 150750 Primary
$ 46.99
- Description
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Description
D150F750 Newtonian Reflective Astronomical Telescope Professional 150750 Primary Mirror Group with Secondary Mirror Accessories\
Product parameters
Type: Newton Reflector
Spherical
primary Mirror
Material: high quality optical glass
Primary mirror diameter: 150mm
Primary mirror focal length: 750mm
Primary mirror edge thickness: 18mm
Surface: aluminum and protective foils
suit for: reflection telescope
Back: scrub / plane, random sent
Secondary mirror axis: 34mm
Secondary mirror Thickness: 8mm
Packing weight:about 1kg
Features:
Since the cost of the mirror is much lower than that of the lens, it is often a reflective, rather bulky, for large-diameter telescopes. Portable design of the telescope, although the tube is only 500mm, but the focal length can reach 1000mm. Newtonian mirrors have a coke ratio of up to f / 4 to f / 8, making them ideal for observing those weak alien galaxies and nebulae. Sometimes it is well suited to observe the moon and planets with this telescope. If you want to take pictures, use the Newton telescope is very good. But the use of anti-telescope than to break a little trouble. Newtonian structure can be a good convergence of light, in the focus to get a very bright like.
Package List:
1set*Primary Mirror Objective Lens Group
D150F750 Newtonian Reflective Astronomical Telescope Professional 150750 Primary Mirror Group with Secondary Mirror Accessories