A vintage, high quality (metal and glass construction), Carl Zeiss Jena MC (Multi-Coated) 135 mm F3.5 telephoto lens for M42 (42 mm screw) mount SLR cameras, in good working order. The multi-coated optics are very clear, focusing and aperture operation works smoothly. In a good cosmetic condition too. A well made, telephoto, multi-coated, auto lens for any M42, 42 mm screw mount cameras inc. early Pentax, Zenith, Praktica etc. etc. Will fit many SLR and DSLR cameras with appropriateadaptor-NOT SUPPLIED. Close focuses down to 1 metre, scale in feet and metres, takes 49 mm screw in filters, has built in sliding metal lens hood (see photos numbers seven and nine) and a sliding switch on the body for manual or auto aperture control. Made in Germany (DDR), serial number 65918, comes with rear lens cap.