Hi James,
I personally find Radians and Pentaxes very finicky to use. You need to keep your eye at just the right position or they suffer from horrible black-outs.
The 19mm & 24mm Panoptics are darn-near perfect and the 16 & 13mm Naglers not far behind.
Pentax 10 & 14mm give stunning views, but as noted can be finicky.
Vixen LVWs are also nice esp. the 22mm
I can also reccomend the Vixen LV or NLV series in shorter lengths (as I only have experience with those) and the TMB Planetaries. Also don't ignore QUALITY plossls like Televue (the 8mm is a standout).
If I was gong to get 3 EPs, they'd be the following:
7mm TMB super planetary or 8mm TV Plossl
13mm Nagler or 14mm Pentax XW
19 or 24mm Panoptic OR 20mm Nagler
These are just opnions of course but I went through LOADS of EPs before narrowing the brand selection down. It seems that regardless of FL, you rarely get a duff EP from Vixen, Televue, TMB or Pentax.
Any of these should be available used on Astromart (the US website).
Happy hunting!
PJH
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