Hi Dave,
Does it have to be a 2X barlow ? I know you said it did, but thought it worth mentioning the Antares 2" 1.6X barlow. This is a made in Japan, fully multi coated short 2" barlow. Its optical and mechanical quality is good. I would put it a tad short of the 2" 2X Televue but its price is also $AUS 150 landed in Australia which is a lot less than the TV offering.
CS-John B
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