6.25" (158mm) Helios Solar Film Filter. Fits Optical Tube Diameter 5 7/8" (150mm) to 6 1/8" (156mm)

lock and load hi all my name is mark and in this video we're going to take a look at the yashica 75 to 150 millimeter zoom lens definitely not the sharpest tool in the shed by any means but in my short time using this lens i quite enjoyed it enough to make a video about it at least and best of all you can still find them for pretty cheap yashica is a japanese camera manufacturer founded in 1945 and they've used a variety of lens mounts over the years ranging from their own proprietary mount to m42 screw mounts in 1974 yashica partnered with the german manufacturer contacts to produce a new camera line using a common mount known as the contacts yashika or cy now contacts along with the higher end carl zeiss t-star lens line was definitely the premium partner in that relationship although yashica lacked the reputation of the contact's zeiss line its more affordable pricing brought a much