Quoting Igor Roshchin <[EMAIL PROTECTED]>: > > I suspect it might have been discussed to death, but I was not > able to find this information. > Who manufactured(-s) Sears and Quantaray lenses? > > I remember seeing somewhere that the Quantaray lenses are produced by Sigma. > Is this true for all of them? > > BTW, is there any somewhat comprehensive web-site discussing "4th party" > (i.e. non-Sigma/Tamron/Tokina/Vivitar) K-mount lenses? > I remember reading some comparative information on lenses labeled > as Samyang/Phoenix, but haven't seen much of information on anything else. > > Igor > >I have tested the the sears, ricoh & tamron 135mm f2.8 & can tell you that the sear & ricoh are not the same lens.[at least not my 2 lenses] In my tests the ricoh & tamron were much sharper then the sears at all f/stops. sgs.

