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Originally Posted by RapidEye
John, you didn't rate the 30mm or 40mm have you not tried them???
I'm trying to upgrade my 30mm Ultima to something in the 2" range - the 32mm Astrola that came with my Hardin is utter junk!
I've used a 27mm Pan, briefly, and really liked it. I didn't get a chance to do any critical observing with it, so I can't say anything beyond it was really nice.
I'm considering that Pan, a 30mm Pentax, and a 31mm Nagler. Since all of them are close to or over $500US, I'm NOT going to buy ANYTHING until I get some eyeball time on them.
Funny thing is, if I had to make a blind purchase right now, I'm leaning towards the Pentax - I just love that 20mm ER and the adjustable cup. But since the 30mm Ultima really is nice, albeit narrow FOV, I'm not dying... YET!  |
Jim,
Correct, I have not used either of the 2" Pentax eyepieces. All the feedback I have on the 30mm is very positive. Carsten Reese from Astro-okulare in Germany rates it the equal of the 31mm Nagler T6. Its worth noting that the 30mm Pentax XW uses the same 7element/6 group lens configuration as the 10mm and the 14mm XW's.
http://www.astro-okulare.de/English/indexe.htm
Of the 26mm Nagler T5, 27mm Panoptic (which I own) and the 31mm Nagler T5, my preference is for the 26mm NT5 although as you could appreciate they are all outstanding eyepieces.
At these price levels unfortunately you really need to try them before parting with the coin, but my guess is that the 30mm Pentax will be "right up there" and at $AUS 700 it would want to be
CS-John B