Pentax SMC 2000mm f13.5 Reflex Lens with Alloy case

Very good condition, With some minor marks to mount and body of lens please take a look at the images as this is part of the description also comes Complete with Original alloy case which has been damaged over the years and been repaired  

This lens was ex-show stock for Pentax Europe Please take a good look at the images as this is part of the description. No Fungus very clean optics may have a few specs of dust inside but hardly noticeable and will not effect image quality    very rare lens sorry for lack of information but not many people have seen one never mind own one!!! so here's your chance to own a piece of history and next time your down the camera club i bet no one else will have one? plus you will have the bragging rights mines bigger than yours?   Can you imagine using this lens on a Sony A7r wow!! This is an older lens made in Japan of a Metal construction high quality lens,  can be used on a variety of different cameras both 35mm and Digital Mounts with adapters Mounts are available on ebay at no money plenty of Chinese copies.        SMC PENTAX-M REFLEX 1:13.5 2000mm   Offering incredible portability for its focal length this lens is a full eight inches shorter than the 1000mm f/8 lens.    It has an incredible 40X magnification.    Exposure is controlled by four built-in ND filters.    Equipped with a rotatable tripod collar and accepts 52mm rear mount filters.   Can be used with all Pentax SLR cameras Minimum focus distance of 65.6 feet Lens construction of 8 elements in 6 groups Diaphragm controlled by neutral-density filters Comes with a hard protective case and a built-in lens hood   Compatible rear converter: A 2X-S, K T6-2X.   Built-in ND Filters (-1 stop, -1.5 stop, -2 stops).   Built-in skylight, yellow and red Filters.