Panasonic PT-DW7000U, PT-D7700U manual Aspect ratio Projection distance L formula Units m

Calculation formulas for projection distance by lens types (for PT-DW7000U)

Model number of projection lens		Aspect ratio	Projection distance (L) formula	Units: m
	ET-D75LE1	16:9	Minimal distance: L=0.0343 x Screen diagonal (inch) – 0.0760
	(1.5–2.0 :1)		Maximal distance: L=0.0458 x Screen diagonal (inch) – 0.1004
	ET-D75LE2	16:9	Minimal distance: L=0.0460 x Screen diagonal (inch) – 0.0795
	(2.0–3.0 :1)		Maximal distance: L=0.0689 x Screen diagonal (inch) – 0.1064
Zoom	ET-D75LE3	16:9	Minimal distance: L=0.0689 x Screen diagonal (inch) – 0.0958
lens	(3.0–5.0 :1)		Maximal distance: L=0.1151 x Screen diagonal (inch) – 0.1216
	ET-D75LE4	16:9	Minimal distance: L=0.1151 x Screen diagonal (inch) – 0.1158
	(5.0–8.0 :1)		Maximal distance: L=0.1831 x Screen diagonal (inch) – 0.1013
	ET-D75LE8	16:9	Minimal distance: L=0.1831 x Screen diagonal (inch) – 0.3862
	(8.0–15.0 :1)		Maximal distance: L=0.3430 x Screen diagonal (inch) – 0.3598
Fixed-	ET-D75LE5
focus		16:9	L= 0.0176 x Screen diagonal (inch) – 0.0835
	(0.8:1)
lens

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