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Well, 7mm Orthos seem really hard to find right now...at least ones with decent shipping rates. Agena Astro has the 7mm KKs in stock, but shipping is horrendous and will take about a month - can't find anywhere that stocks them and uses UPS instead. Some places are showing them as discontinued as well.
A UO HD 6mm ortho (or barlowed 12.5mm) looks like it would be much easier and cheaper. How much practical difference will that really make to viewing quality under average conditions? Will I get away with it, or should I really set my goal on that 7mm?
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