I have a set of classics from here with 3 sets of lenses. I looked on their website and they also have 3 different tints of polarized lenses along with 14 other flavors of shooting lenses. I recommend them, they work well, are easy to change lenses, and the carrying case also carries 2 extra sets of lenses.

www.hoosierpondpros.com

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).