One solution to your common problem is to use a mirror to increase your throw distance. Two ways to do this is to mount the projector backwards and bounce the image off a mirror back to the screen. The other is to mount the projector sideways and place a mirror at a 45 degree angle bouncing image back to the screen. I have not seen much success using a lens. Mirrors are cheap to experiment with but you get a little better result with a front/first surface mirror often found in old fiche viewers/RPTV's.
EDIT: Of course if you had done your homework and bought a shorter throw projector like the BenQ lineup you would't have this issue.
"Smart enough to know better, to old to care" ------ Dedicated Bat Cave Home Theater, JVC RS49U/Mitsubishi HC7900DW Projector, 110" 16:9 Jamestown screen with variable power masking for CIW 2.50:1 to 16:9, Marantz 7009 with 7.1.4 Atmos with Ohm mains,3 DIY Subs (2 15" (1 ported, 1 sealed and a 12" 4th order bandpass), 1 DIY butt kicker, Custom Built HTPC, 18TB DroboFS NAS
Last edited by rekbones; 02-15-2020 at 01:25 AM.