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@WetEndBoy, make sure you are not over generalizing. Zeiss makes some awfully good zooms. Here's one I would stack up against your 135:http://www.bhphotovideo.com/c/product/857771-REG/Zeiss_1984_033_70_200mm_T2_9_Compact_Zoom.html
and forget all this prime rubbish you never going to shoot the thing at f1.8
Don't exaggerate, it only costs $19,900