Thoughts, Construction Tips and Musing about Telescopes

MY TELESCOPES

OBSERVING ESSENTIALS - What you really need to get the most out of high resolution observing

SOME THOUGHTS ON THE OPTIMUM L/P SCOPE

APO REFRACTORS, COMPOUND SYSTEMS and the SIMPLE NEWTONIAN

CALCULATING THE SIZE OF YOUR DIAGONAL and The Impact of Diagonal Surface Errors

A Better Method of Measuring Optical Performance

Testing Telescope Mirrors and Statement of Standards

PYREX versus ZERODUR, SITALL, CERVIT, FUSED QUARTZ and the Whole ULE World

A SIMPLE MIRROR CELL That gives excellent performance

A COVER FOR YOUR DIAGONAL

A UNIQUE SPIDER SUPPORT That's simple to make

CLEANING MIRRORS AND LENSES

MOUNTING DIAGONALS AND OTHER SMALL MIRRORS WITH GOOP With new photo and response