BAADER ORTHO 18mm EYEPIECE bag This adapter converts the M81

This adapter converts the M81 x 1 thread of the ESATTO 3" focuser drawtube into an M72 x 1 female thread

If you plan to reuse the alignment later (for example if you are in an observatory)

The Vixen bar 140mm belongs to the PLUS system (Prima Luce Universal System) that includes a large variety of telescope rings

and other auxiliary devices) using direct connections with Windows and Mac computers via USB

while the widest possible imaging field greatly facilitates the realization of variable stars

BAADER ORTHO 18mm EYEPIECE bag This adapter converts the M81The Baader Ortho 18mm eyepiece uses the same glasses and optical design as the classic Zeiss Jena orthoscopic eyepieces. They feature a very high transmission, very good contrast and thus a very clear field of view, free of distortions. The HT MC multi coating eliminates almost all internal reflections. Baader Ortho eyepieces provide 50 apparent field (6 10 18mm Ortho), sharp field stops and excellent ergonomics for comfortable observing. They are