Amazon.com : Telescopes for Adults, 70mm Aperture and 700mm Focal Length Professional Astronomy Refractor Telescope for Kids and Beginners - with EQ Mount, 2 Plossl Eyepieces and Smartphone Adapter : Electronics
PW1000 Observatory System
Extremely Large, Extremely Expensive: The Race for the Next Giant Telescopes - The New York Times
1 Meter research-grade telescopes under $100,000 - Equipment (No astrophotography) - Cloudy Nights