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I can concur with Morton that it would be worthwhile giving some serious consideration to the Pentax XW range of eyepieces - especially while they are still available for purchase new. The Pentax v Televues (Delos/Naglers) are often hotly debated as to which are better but the reality is you can't go wrong with either brands of eyepiece. If I had to make a call in differentiating them (in the context of refractors) I would say the Pentax provide optically a slightly better image through the EP and have much better ER (once you get the knack of the eyecup).
Whereas the Naglers give a better fov (82 v 68) and are more portable/convenient to use as they are half the size/weight (type 6 Nag) but sacrifice ER. The Delos are a sign of Televues true genius and foresight in creating a substitute eyepiece (minus the lanthanum glass) to fill the pending void and thus capturing the potential market share that will be created in the not too distant future when the last of the XWs roll off the production line.
Last edited by Profiler; 14-03-2013 at 09:30 AM.
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