4.5 Inch f/8 Parabolic Mirror -
4.5 Inch f/8 Parabolic Mirror ScopeTronix now offers Parabolic mirrors for those people who want to build their own telescope and save a few dollars. We offer four popular sizes and focal lengths. You can choose from a 4.5 f/8, a 6 f/8, an 8 f/6, 10 f/5,
STPM45 - ScopeTronix -