F0.8 fisheye

[samsc]

Try using a mirror and a 1.2 lens. It might be a big mirror but it should work. Actually, I have a client with 3 10,000 lumen projectors rear projecting and edge-blending with 0.8 lenses and it actually works just fine.

its not the projector and the lens - which make this stuff work or not work - its the projection layout - the screen positions and distances, and other factors like screen type.

also rear projection is a completely different problem to front projection.

i also think peter is talking about front projection?

rear projection problem is a material transparency and refraction problem.
front projection is a diffuse surface reflection problem.

they are totally different.

[SourceChild]

I think the basic point is to try different things in different ways from lenses to screen medium, placement, etc.

Obviously though the more extreme the idea the greater likelihood it won't work in the long run and ultimately become a liability if it pushes too many limits.