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An 80mm f5 short refractor on an Alt-Az mount will give countless hours of joy under the night sky and can be used in the day time. A more serious telescope would be a 150mm (6") f8 Dobsonian telescope. This would give a lifetime of viewing as it will show numerous galaxies a smaller telescope cannot.
Note an 80mm refractor is NOT the same as an 80mm reflector (firstscope 76). The latter is really a toy and cannot be used for anything serious and could be detrimental to one's astronomy interests than inspirational and you would be better off with binoculars.
An 80mm short refractor will give clear and bright widefield views of star clusters but can aslo give sufficiently large views of the planets given the right eyepieces and Barlows. A longer 80mm refractor is a good alternative and will give higher powers but narrower fields.
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