The ED 100Sf is now available for the first time in the U.S. It is the big brother of our best-selling ED80Sf. This APO refractor features high-grade glass and quality components. Coupled with a medium f/9.0 focal ratio the ED "S" series provides a sharp color-free image of high contrast. For the astronomer that wants the best value for the dollar in a 4-inch APO this is the one to buy.The ED100Sf comes complete with:ED100Sf 100 mm f/9.0 APO optical tube9 x 50 finderscope Finder bracket 2-inch eyepiece adapter 1-1.25-inch flip mirror Tube rings Dove-tail plate Aluminum telescope case
