Information acquired during design and construction of a 7.5" aperture F8.

Background, raw materials, and the manufacturing process with references.

Building a Foucault tester with a unique return mechanism, simplistic in design and very practical, enables the user to obtain highly accurate results.

Shows installation of electronics and mounting of the shaft encoders to both axis of the telescope, includes photographs and drawings..

Projects, solar observing, collimation tools, observing tips, gallery, and links.

Plans and how-tos for building a Dobsonian telescope, solar filter, and mirror-making techniques.

Construction of reflector, refractor, and mini solar cam with images, and astro images.

Plans and instructions for building a Dobsonian, refractor, wooden tripod, eyepieces and other accessories.

Enthusiasts dedicated to remembering, restoring and recommissioning classic Criterion telescopes.

Oak tripod, tripod accessories, leg kits, feedback, and links.