2 inch Kellner wide field eyepices with comfortable viewing position; Kellner eyepieces are a further development of the classical Kellner design; they have a more comfortable viewing position and better off-axis definition
If high transmission is essential Kellner eyepieces are highly recommended; the Kellner eyepiece design uses a minimum of glass-air surfaces
The Modified Achromatic design features an optical advancement over the traditional Kellner and gives sharp; faithful lunar planetary and deep-space images
Visual back for Telephoto lenses with T2 thread
The adaptor can be screwed onto any T2 male thread and provides a clamp for 2" accessories