1] The xenar's aperture lever moves past the lowest numerical setting of f32. (aperture ring at extreme end)
By ‘millimetre rule calculation’, the aperture at the smallest possible aperture setting is f67.5!!! (lens opening at the ’minimum’ aperture).
Is the unspecified and notional f64 aperture a known characteristic of the ‘older’ xenar lens???
2] – The cable release port the xenar lens does not accept my standard conical threaded ended [and stiff] cable release (cable port & cable release) . – [the right angled extension is not threaded at the camera end and I do not see how it can be fitted to the lens panel] -
Was this lens developed for another type of cable release???
Attachment 135248Attachment 135247Attachment 135246Attachment 135249
Regards
Tony
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