D150F750 Newtonian Reflective Astronomical Telescope Professional 150750 Primary Mirror Group with Secondary Mirror Accessories (Color : Brown)

Description

• Since the cost of the mirror is much lower than the cost of the lens, it is usually reflective and bulky for large-aperture telescopes.
• The portable design of the telescope, although the lens barrel is only 500mm, the focal length can reach 1000mm. The coke ratio of the Newtonian lens is as high as f/4 to f/8, which is very suitable for observing those faint alien galaxies and nebulae.
• Sometimes it is very suitable for observing the moon and planets with this kind of telescope. If you want to take pictures, it is very good to use Newton telescopes. But using the anti-telescope is a bit more troublesome than cracking. The Newtonian structure can converge light well and get a very bright look at the focal point.

D150F750 Newtonian Reflective Astronomical Telescope Professional 150750 Primary Mirror Group with Secondary Mirror Accessories \Product parametersType: Newton Reflector Spherical primary MirrorMaterial: 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 Package List: 1set*Primary Mirror Objective Lens Group D150F750 Newtonian Reflective Astronomical Telescope Professional 150750 Primary Mirror Group with Secondary Mirror Accessories

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