Computer-generated illustrations of defocused star images are so realistic that you can learn a great deal by just looking at the pictures . . . Star Testing is bound to have a big impact on our hobby. Harold Suiter wants to help buyers assess optical quality so that it plays a larger role in purchasing decisions. This, he feels, will give manufacturers added incentive to produce superior products. Its cost is a small price to pay for becoming an informed consumer.
Telescopes are easy to test.
The hard part for most amateurs has been finding out exactly how to do it . . . Now, at last, Suiter has analyzed the star test in book-length thoroughness. He presents a bounty of information and instruction in a clear, practical manner never before available . . . The book displays with perfect clarity all the star test comparison images you'll ever need, illustrating all kinds of telescope aberrations in their pure forms . . . Those are just highlights of this long overdue book.