The Tele Vue Piggy-Cam will easily attach to your camera for excellent flexibility in piggy-back photography. The Piggy-Cam features a 3/8" thick tilting base plate that can be secured at nearly any angle for the ideal photo composition.The captive .25"-20 lock screw rides in a slot making it easy to mount any 35 mm camera. Though designed for Tele Vue telescopes, Piggy-cam's U-shaped mounting bracket is easily adaptable to most any scope.