I haven't had the opportunity to really compare the Meostar vs Ultravid range side by side in detail, but I did look through both 10x50 models at the 2019 Birdfair. They were very close, so much so that if you were interested in the latter I would have thought you would be very well advised to have a good look at the former. I thought the Meostar range, in general, were very good products - not far short of the SLCs at all.