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Old 21-01-2015, 09:23 AM
gb_astro
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Join Date: Mar 2008
Location: Sydney
Posts: 877
Quote:
Originally Posted by Renato1 View Post
Visually the telescope is great, and i mainly use a Nagler or Meade Ultrawide in it. The only difference is that I don't have diffraction spikes on stars from spider vanes, but instead have sort of a glow around stars from the arc vane.

The other odd thing is that I keep reading that if I use huge exit pupils, I should see the image of the secondary in the eyepiece. Yet with a 9mm exit pupil, I really have to strain to make out slight darkness in the centre of the image.
Cheers,
Renato
You said in post #17 above that you were seeing a doughnut shape, so the secondary must be showing itself there?

gb.
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