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Not at all futile with small refractors. The issue however is the "short" bit.
A couple of weeks ago we had a nice night where - among other things - someone set up an antique Vixen 60mm f/15 achro refractor. It was quite blast to use this - and a very salient reminder of how perfect a long achro refractor (f/15) could be. FWIW despite my "big mak", I have a very nice 70mm refractor, both as a grab & go, and for my son.
IMHO the pressure from the imaging crowd for ever-shorter refractors has quite seriously damaged refractors - manufacturers could do better IMHO by splitting their ranges into two two distinct groups - fast APO's for imaging, vs much slower scopes optimised for visual.
Last edited by Wavytone; 18-04-2019 at 07:19 PM.
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