08-27-2015, 06:43 PM
I assume this BR material wont be cheap, so like fluorite it might only be used on high end lenses. Still, it would be nice if more lenses get better correction over more of the spectrum. Personally I don't think I've ran into major problems with blue, but more at the other end with deep reds.
<a class="bbc_url" href="http://snowporing.deviantart.com/">dA</a> Canon 7D2, 7D, 5D2, 600D, 450D, 300D IR modified, 1D, EF-S 10-18, 15-85, EF 35/2, 85/1.8, 135/2, 70-300L, 100-400L, MP-E65, Zeiss 2/50, Sigma 150 macro, 120-300/2.8, Samyang 8mm fisheye, Olympus E-P1, Panasonic 20/1.7, Sony HX9V, Fuji X100.