barryreid Posted July 10, 2022 Share Posted July 10, 2022 I’ve seen an early FD era product brochure which lists the TS lens as a chrome-nosed lens with an aspherical element. Clearly this is not the common production version. Does anyone know the story about this lens, if any made production and why the AL element(s) was ultimately omitted? Link to comment Share on other sites More sharing options...
jim_bielecki1 Posted July 11, 2022 Share Posted July 11, 2022 This has been discussed throughout the years on this, and other, FD lists. Nobody but Canon knows why they opted to use regular spherical elements over an aspherical element. My guess is that it was too expensive to use aspherics. Mind you this was back in 1971, when aspheric lens elements were polished by hand, or very crude machinery, both being time consuming and expensive processes. The TS 35/2.8 is already an expensive lens just using ordinary spherical lenses. The cost would have been much, much higher if they used aspherics. Link to comment Share on other sites More sharing options...
JDMvW Posted July 11, 2022 Share Posted July 11, 2022 If Canon had got their TS out before Nikon got the PC-Nikkor into the market place, I would have been a Cononista much sooner than I was. one version of the lens Link to comment Share on other sites More sharing options...
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