Extremly flexible through 9 countersunk bores: three M6 bores at 38 mm distance square on both sides; one in the middle with two drilled but not threaded to accommodate screws up to 6 mm in diameter center to center screw hole spacing is from 35 to 63 mm
Dimensions: 87 mm x 87 mm approx; 116 mm with screw; 9 bores allow connecting to almost all surfaces
Areal clamping with two clamping screws; protects the accessories and provides a very stable connection
Locating Astronomical Objects More Easily: The Milky Way paints a broad white band across the sky; Somewhere up there are thousands and thousands of objects but how to find them easily in your telescope; This precisely is what the Alstar 6x30 finder scope is for
Large Field of View Plus Crosshairs: The Alstar finder scope gives you a wide field of view to make locating objects that much easier; They let you move the object exactly into the centre of the image which means it is also already accurately centred in the main telescope