Optical lens tilt mount double convex DCX 90 and similar items

DCX mounted in tilt stage Description: removed from High School lab. Nice aluminum mount with DCX lens (around positive 90 mm fl). Lens has both convex faces, but one of them is more pronounced than the other (stronger curvature). It can be used in vertical and horizontal positions. Holes at the bottom are 6,90mm. Square window is 46x43mm. It has three screws at the back to control 360º lens angle. Rest of measures, have a look at pics. Ask if you want any measure. Condition: normal usage marks. At the edge lens has some imperfections and nicks, but 95% of its diameter is in very nice condition (no major stractches or nicks, very clean). Offers: feel free to make offers to me. I will gladly combine shipping. In case you buy several items, ask for invoice before making payment. Returns: I gladly accept returns for full refund (you only pay return shipping costs).