What projector lens does this item screw into.
On Fri, Apr 22, 2016 at 5:26 AM, Scott Dorsey <klu...@panix.com> wrote: > > The question: can anyone tell me what the effective focal length(s) of > this > > combo provides. > > I can't, because I don't know the ratio of that varifocal gadget. > > But you can figure it out yourself... put the projector ten feet from a > screen, focus the image with the lens racked forward and with it racked > back, measuring the screen width each time. Then you can use a screen > size chart to work from that back to the effective focal length. > --scott > _______________________________________________ > FrameWorks mailing list > FrameWorks@jonasmekasfilms.com > https://mailman-mail5.webfaction.com/listinfo/frameworks >
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