With William Optics you choose a good and cheap, especially manufacturers. Until now you could only choose between expensive high-end binocular or Monokularaufsätzen for observation. Now you can also enjoy the benefits of BAK4 coated binoculars in your refractor, Newtonian or Schmidt Cassegrain. A comprehensive package including:
1.25''binocular telescope with protective top compression rings
2x WA (66 deg.) 20mm eyepieces
Barlow lens (1.6x) for easier focusing with any telescope
Remuneration: BaK-4 fully multi-coated
IP Accommodation: 53mm to 75mm
Opening: 20.2mm
Eyepiece: helical focusing, compression rings
Size: 120mm x 112mm x 42mm
Optical Path: 100mm (4 ")
Weight: 520g (without eyepieces)
