Quote:
Originally Posted by mental4astro
I am happy to use my 50mm plossl in my 17.5" f/4.5 dob. This combo gives me an exit pupil of 11mm, but the image this plossl throws up is gorgeous!
Mental.
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Finally - someone else who does the same as me. I use a 40mm wideangle eyepiece in my 14.5" f/4.5 dob which gives nearly 9mm exit pupil.
All the books say not to do, but the view is great - especially with a broadband filter to reduce the sky glow at a dark site. I've gotten slightly dizzy just randomly roaming the Milky Way with it.
The other big advantage is that I tilt my eye at the right angle, and the astigmatism from my eye disappears without blanking out part of the image.
Regards,
Renato