Thread: Help needed with Baader Hyperion 8mm and 17mm
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Old 10-08-2009, 08:13 PM
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GeoffW1 (Geoff)
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Quote:
Originally Posted by Jules76 View Post
You mean you have the front 1.25" element detached all the time? How so? I was under the impression that without that front element, it changed the focal length of all the eyepieces to 20mm+.
Hi,

Yes, about 22 mm according to this

http://www.alpineastro.com/Hyperion-...s-Version2.pdf

Cheers
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