Astronomy with Small Telescopes: Up to 5-inch, 125mm by Stephen F. Tonkin
English | PDF | 2001 | 165 Pages | ISBN : 1852336293 | 15.7 MB
Small telescopes have a lot to recommend them.
Cost is of course a consideration, but their most positive feature is sheer portability. Some manufacturers have tried to make large telescopes more portable (with mixed success), but the opposite approach, that of making small telescopes more effective, is what this book is all about.