There are lots of good homebuilt options. The site of the late John Dobson, founder of San Francisco Sidewalk Astronomers, has some resources: http://www.sfsi

There are lots of good homebuilt options. The site of the late John Dobson, founder of San Francisco Sidewalk Astronomers, has some resources: http://www.sfsidewalkastronomers.org/index.php?page=telescopes http://www.sfsidewalkastronomers.org/index.php?page=telescop...