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Originally Posted by Starkler
As someone not familiar with the M500 , whats its specs houghy ?
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Intes Micro Alter M500 5" F/10 Maksutov-Cassegrain OTA
Clear aperture: 5" (127 mm)
Secondary mirror diameter including baffle: 42 mm
Percent central obstruction including secondary baffle: 33%
Tube diameter: 158 mm
Tube length: 345 mm
Tube weight: 3.3 kg (7.26 lbs)
Internal baffles similar to the Alter M603
Percent reflectivity of mirrors: 96%
Mirror substrate: Pyrex
Minimum optical quality for the system: 1/7th wavefront p.t.v.
Photographic field of view: 1° 45'
Scope comes with certified optical test report, one year warranty on coatings , owner's manual with complete collimation instructions and unlimited customer service for as long as you own the telescope.