Carl Nenzen Loven Posted September 5, 2016 Share Posted September 5, 2016 Hi everyone,Now I know this lens has been around the block for quite some time. And for the purist, this is at best a decent run-and-gun lens for a R16 camera. However I might be using it for a smaller project soon and I am having issues finding information about the lens.More specifially the aperture.I know it is a variable one, but when does it move? Because physically the two lenses I had access to use, both have the aperature at F/1.6 over the whole zoom-range, physically. So planning a decent exposure is a lot harder.Now I know I can lock it to F/2.2, but in this scenario I would love yo be able to use the full speed of the lens.Appriciate any input.//C Link to comment Share on other sites More sharing options...
Kenny N Suleimanagich Posted September 6, 2016 Share Posted September 6, 2016 You should test it on a digital camera with a waveform monitor Link to comment Share on other sites More sharing options...
Carl Nenzen Loven Posted September 6, 2016 Author Share Posted September 6, 2016 You should test it on a digital camera with a waveform monitor This is of course one option... Link to comment Share on other sites More sharing options...
Mike Rizos Posted October 2, 2016 Share Posted October 2, 2016 That lens is T1.9 (f1.6) up to 12mm. From 12mm it is reduced gradually to T 2.5 at about 45-57mm. I'm basically quoting from the 16mm Motion Picture Camera Help Book by Douglas Underdahl (1989). Link to comment Share on other sites More sharing options...
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