Quote:
Originally Posted by Zubenel
Hi ,
For a fraction if the cost try a 55mm Televue plossl. It has a wider fov than any of them. Cant say I have tried it as i am not allowed it till tomorrow( my birthday)  but the text books say it shouldn't work in my scope but Astroron's 55mm uo ep is just stunning.
Zub |
Trouble is, Chunkylad needs it for his 12" F5, so a 55mm eyepiece is giving too large an exit pupil, 11mm to be precise, which is a total waste of light. Even a 35 mm eyepiece, with 7mm exit pupil at F5, is pushing it IMO. So these long FL eyepieces are not that great for fast newtonians.
I haven't directly compared the 31T5 with the 30XW, but did seriously consider buying the 31T5, even though they cost a fortune here. A few other experienced observers talked me out of it in the end. I ended up getting a 30XW for a good price, and am totally happy with it, performance wise and total ease/comfort of use.
Tough choice though!
Clear skies