Uncommon Vivitar Series 1 Q-DOS 3D Lens System, C/Y Fit. Comprising a Contax/Yashica Vivitar Series 1 70-210mm f2.8-4 zoom lens with the option for single-lens 3D shots. Small dent in filter ring, otherwise signs of light/normal use. Complete with 3D glasses, instructions etc, in maker's box. This innovative system is best used at wider apertures or in close-ups as it creates the 3D effect by colourising the out of focus areas (sample image shot on Nikon version with a DSLR).