Quote Originally Posted by premortho View Post
Hmmm, unique---well on the big buck side are the Pinkham and Smith, the Portland and the Struss. On the relatively cheap side are the Turner-Reich and Wollensak Raptars. In those days every lens grinding company had their own idea of what a lens should do, So we have many different signatures in the rendering of a picture.
"Raptar" was what Wollensak called their coated lenses after WWII, they are of many types and some were identical to the prewar (uncoated) Velostigmats. The Turner-Reich lenses were designed around the turn of the last century, primarily to get around the patents covering the Protar convertibles.