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thanks john, food for thought.
asimov has sent my his LV 5mm, so i hope to compare the 6.5mm series 500 and the LV 5mm and then 12.5 in the 2.4x barlow with the moon tonight!
Looking at the vixen, it is lovely, but i can't help feeling that is a cheat ie a 10mm eyepiece with a 2x barlow. Is this quite common to simply add a barlow to the design?
but then again,
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