Amazon.com description: Product Description: Telescopes, mounts, eyepieces, and accessories are specialty items that can cost hundreds of dollars. These days, following the economic downturn of 2009, more budget-minded amateur astronomers are fabricating their own low-cost telescopes and accessories in home workshops than ever before. '25 Unique Telescope Accessories You Can Build on a Budget!' offers an excellent collection of 25 of the easiest projects to build on a budget, complete with detailed diagrams, material lists, and assembly instructions. None of the projects require machine shop work. All can be made using common tools and materials available from hardware stores, and simple items found around the home.