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1 Projection distance
2 Distance from the center of the lens to the base of the image (varies depending on vertical lens
shift)
3 Center of lens
PowerLite Pro G6170/G6870
4:3 Aspect Ratio Image or Screen with Standard Zoom Lens
Screen or image size Projection distance (1) Vertical lens shift (2)
Wide to Tele (Minimum to Top to Bottom
Maximum)
30 inches 24 × 18.1 inches 30 to 56 inches –1.4 to 19.4 inches
(61 × 46 cm) (76 to 141 cm) (–3 to 49 cm)
40 inches 31.9 × 24.0 inches 41 to 75 inches –1.8 to 25.8 inches
(81 × 61 cm) (103 to 189 cm) (–5 to 66 cm)
50 inches 40.2 × 29.9 inches 51 to 94 inches –2.3 to 32.3 inches
(102 × 76 cm) (130 to 238 cm) (–6 to 82 cm)
60 inches 48.0 × 35.8 inches 62 to 113 inches –2.7 to 38.7 inches
(122 × 91 cm) (157 to 286 cm) (–7 to 98 cm)
80 inches 64.2 × 48.0 inches 83 to 151 inches –3.6 to 51.6 inches
(163 × 122 cm) (211 to 383 cm) (–9 to 131 cm)
100 inches 79.9 × 59.8 inches 104 to 189 inches –4.6 to 64.6 inches
(203 × 152 cm) (265 to 479 cm) (–12 to 164 cm)
150 inches 120.1 × 90.2 inches 157 to 284 inches –6.8 to 96.8 inches
(305 × 229 cm) (400 to 721 cm) (–17 to 246 cm)
200 inches 159.8 × 120.1 210 to 379 inches –9.1 to 129.1 inches
inches
(534 to 963 cm) (–23 to 328 cm)
(406 × 305 cm)
33