adolfo granado Posted September 29, 2021 Share Posted September 29, 2021 Hi guys I know that this topic has been discussed before but I have not been able to get much information. I have an isco ultra star 90mm cinemascope and would like to unscrew the spherical part of the lens, any advice? Has anyone done it before? please help !!! Quote Link to comment Share on other sites More sharing options...
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