Thanks for the replies,
All this helps me to go the NLV direction. Eye relief is high on the agenda as I've just got to the big 50
Also my favourite scope is a 6" refractor at f8, and Wavytone your comment on not wanting a large field of view strikes a chord with me.
Bo, if there is ever another good viewing night
...I'll Pm you and take you up on that kind offer ...wow what a great bunch
Allan ,Peter and Andrew thanks for your advice will eventually go for a mixture of the two types , got to admit the ES eyepieces are not as good as the hype but nice all the same. Suppose you get what you pay for. At least they were on sale
Matt