BAADER HYPERION 68° EYEPIECE 17mm OS-IP 9 kg (including tube rings

9 kg (including tube rings and dovetail bar) Tube diameter 100 mm Dew shield diameter 112 mm SKU AS-80PHQ

The angle of rotation of Earth is measured by UT1

the Avalon Linear has such a low guiding RMS error that it makes astrophotography possible with long focal length optics

the Flat68III should be set to 5mm for the Fluorostar 91

5mm RCA jack

BAADER HYPERION 68° EYEPIECE 17mm OS-IP 9 kg (including tube ringsThe Baader Hyperion 68 17mm Modular eyepiece uses high quality Phantom group coatings for maximum contrast and zero internal reflections. The Hyperion range of multi function eyepieces feature a modular design with the ability to change the focal length via extension rings. Both 1. 25" and 2" barrels are included, with the 1. 25" barrel able to be unscrewed to add fine tuning rings. Because this section contains the first group of lenses, changing the