Vertically curved surface (convex) L A Screen B Center of the circle of which the curved surface is an arc L Projection distance R Radius of the circle of which the curved surface is an arc R Side view 27 Lens Type ELPLX03 ELPLR05 ELPLU05 ELPLW07 ELPLM12 ELPLM13 ELPLM14 ELPLL09 ELPLL10 Vertical lens shift: Home position Side view - 1.24 0.63 0.37 0.24 0.17 0.12 0.09 0.06 Vertical lens shift: Top Side view 4.28 1.26 0.73 0.44 0.29 0.20 0.13 0.09 0.07