BAADER HYPERION 68° EYEPIECE 8mm BA18 If you have an alt-az

If you have an alt-az mount

The SharpStar flattener can be connected to the telescope by using the Zeiss standard thread (male M68x1) or a M63x1 female thread

The filter is made from a Schott RG 830 substrate with "super stacked" dielectric coatings for pure transmission

ensuring that the etalon in your h-alpha filter does not degrade over time and that the central wavelength passed by the etalon stays on-band

BAADER HYPERION 68° EYEPIECE 8mm BA18 If you have an alt-azThe Baader Hyperion 68 8mm 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