Projecting Images onto Cyclorama
Wed, 27 May 2009, 11:58 amjonmul12 posts in thread
Projecting Images onto Cyclorama
Wed, 27 May 2009, 11:58 amI am trying to get some ideas on how I might project images (in lieu of changing backdrops as we have no fly tower) onto a cyclorama for a ballet school concert. The obstacles are - that there is no space behind the cyc to rear project (only 10cm) and I suspect that running a high powered projector from the dress circle bar will mean the girls are dancing through the projected images. Any ideas? Cheers.
Sorry to contradict but a
Thu, 3 Sept 2009, 09:15 pmSorry to contradict but a short throw does practically no effect on the intensity, the intensity on the screen will be the output lumens - the efficiency of the lens system divided by the area of the screen, so a 1000 lumen projector with a long throw lens will give you exactly the same intensity as the same projector with a short throw lens given that they are each filling the same size screen and the lenses have the same efficiency, light loss in air is extremely small.