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Eyepieces for PST?

Started by auroram42, 11/24/2008 05:14PM
Posted 11/24/2008 05:14PM Opening Post
Hi everyone,

Does anyone know if you need the CEMAX eyepeices, or can I use ones from my telescope for a Coronado PST? Is there really a difference?

Posted 11/25/2008 08:45AM #1
I have used my regular eyepieces with my PST. The Cemax eyepieces apparently are designed for the PST but, I don't think that they are necessary. Just use what you have and if you don't like the results, you can switch. I have a Celestron 8-24 mm zoom eyepiece that I use, but it shows a lot of vignetting at the lowest power.
Posted 11/25/2008 01:55PM #2
The short answer is no you don't need CEMAX eyepieces. Your telescopes eyepieces should work ok.

Many of us PST users often use a zoom EP so we only need to bring one along with us outside, but most EPs will come to focus with the PST. I haven't seen many reviews of the CEMAX set. They look like typical Plossls to me.
Here's a link to review of them on a astronomy forum--

And here on the second to last paragraph of this review of the PST: