NEC NP901W user manual  Screen Size and Projection Distance, 136, Distance Chart

8. Appendix

Screen Size and Projection Distance

Throw Distance and Screen Size (NP905/NP901W)

The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of installation.

Projector bottom

Screen center

2.85"/72.3 mm

CLens center

B

D

Screen bottom

Distance Chart

B = Vertical distance between lens center and screen center C = Throw distance

D = Vertical distance between lens center and screen bottom (top of screen for ceiling application)

α= Throw angle

NOTE: The values in the tables are design values and may vary.

NP905

Screen Size			B		C		D		a
Diagonal	Width	Height		Wide – Tele				Wide – Tele
inch	inch	inch	inch		inch		inch	degree
21	17	13	4	–	–	29	-2	–	–	8.6
25	20	15	5	28	–	34	-2	10.3	–	8.6
30	24	18	6	34	–	41	-3	10.2	–	8.5
40	32	24	8	46	–	56	-4	10.1	–	8.4
60	48	36	12	70	–	84	-6	10.1	–	8.4
72	58	43	15	84	–	101	-7	10.0	–	8.4
80	64	48	17	93	–	112	-8	10.0	–	8.4
84	67	50	17	98	–	118	-8	10.0	–	8.4
90	72	54	19	105	–	126	-8	10.0	–	8.4
100	80	60	21	117	–	141	-9	10.0	–	8.3
120	96	72	25	141	–	169	-11	10.0	–	8.3
150	120	90	31	176	–	211	-14	10.0	–	8.3
180	144	108	37	211	–	254	-17	10.0	–	8.3
200	160	120	41	235	–	282	-19	10.0	–	8.3
210	168	126	43	247	–	296	-20	10.0	–	8.3
240	192	144	50	282	–	339	-23	9.9	–	8.3
270	216	162	56	318	–	381	-25	9.9	–	8.3
300	240	180	62	353	–	424	-28	9.9	–	8.3

Screen Size			B		C		D		a
Diagonal	Width	Height		Wide – Tele				Wide – Tele
mm	mm	mm	mm		mm		mm	degree
533	427	320	110	–	–	730	-50	–	–	8.6
635	508	381	130	720	–	870	-60	10.3	–	8.6
762	610	457	160	870	–	1050	-70	10.2	–	8.5
1016	813	610	210	1170	–	1410	-100	10.1	–	8.4
1524	1219	914	310	1770	–	2130	-140	10.1	–	8.4
1829	1463	1097	380	2130	–	2560	-170	10.0	–	8.4
2032	1626	1219	420	2370	–	2850	-190	10.0	–	8.4
2134	1707	1280	440	2490	–	2990	-200	10.0	–	8.4
2286	1829	1372	470	2670	–	3210	-210	10.0	–	8.4
2540	2032	1524	520	2970	–	3570	-240	10.0	–	8.3
3048	2438	1829	630	3570	–	4290	-290	10.0	–	8.3
3810	3048	2286	790	4470	–	5370	-360	10.0	–	8.3
4572	3658	2743	940	5370	–	6450	-430	10.0	–	8.3
5080	4064	3048	1050	5970	–	7170	-480	10.0	–	8.3
5334	4267	3200	1100	6270	–	7530	-500	10.0	–	8.3
6096	4877	3658	1260	7170	–	8610	-570	9.9	–	8.3
6858	5486	4115	1410	8070	–	9690	-640	9.9	–	8.3
7620	6096	4572	1570	8970	–	10770	-710	9.9	–	8.3

NP901W

Screen Size			B		C		D		a
Diagonal	Width	Height		Wide – Tele				Wide – Tele
inch	inch	inch	inch		inch		inch	degree
20	17	11	5	23	–	28	-1	11.2	–	9.3
25	21	13	6	29	–	36	-1	11.1	–	9.2
30	25	16	7	36	–	43	-1	11.0	–	9.2
40	34	21	9	48	–	58	-1	10.9	–	9.1
56	47	30	13	67	–	81	-2	10.8	–	9.0
60	51	32	14	72	–	87	-2	10.8	–	9.0
70	59	37	16	85	–	102	-2	10.8	–	9.0
80	68	42	18	97	–	116	-3	10.8	–	9.0
90	76	48	21	109	–	131	-3	10.8	–	9.0
100	85	53	23	121	–	146	-3	10.7	–	9.0
120	102	64	28	146	–	175	-4	10.7	–	9.0
150	127	79	35	183	–	219	-5	10.7	–	8.9
180	153	95	41	219	–	263	-6	10.7	–	8.9
200	170	106	46	244	–	293	-7	10.7	–	8.9
210	178	111	48	256	–	308	-7	10.7	–	8.9
240	204	127	55	293	–	352	-8	10.7	–	8.9
270	229	143	62	330	–	396	-9	10.7	–	8.9
300	254	159	69	366	–	440	-10	10.7	–	8.9

Screen Size			B		C		D		a
Diagonal	Width	Height		Wide – Tele				Wide – Tele
mm	mm	mm	mm		mm		mm	degree
508	431	269	120	590	–	720	-20	11.2	–	9.3
635	538	337	150	750	–	900	-20	11.1	–	9.2
762	646	404	180	900	–	1090	-30	11.0	–	9.2
1016	862	538	230	1210	–	1460	-40	10.9	–	9.1
1422	1206	754	330	1710	–	2060	-50	10.8	–	9.0
1524	1292	808	350	1840	–	2210	-50	10.8	–	9.0
1778	1508	942	410	2150	–	2580	-60	10.8	–	9.0
2032	1723	1077	470	2460	–	2960	-70	10.8	–	9.0
2286	1939	1212	530	2770	–	3330	-80	10.8	–	9.0
2540	2154	1346	580	3080	–	3700	-90	10.7	–	9.0
3048	2585	1615	700	3700	–	4450	-110	10.7	–	9.0
3810	3231	2019	880	4640	–	5570	-130	10.7	–	8.9
4572	3877	2423	1050	5570	–	6690	-160	10.7	–	8.9
5080	4308	2692	1170	6190	–	7440	-180	10.7	–	8.9
5334	4523	2827	1230	6500	–	7810	-190	10.7	–	8.9
6096	5169	3231	1400	7440	–	8930	-210	10.7	–	8.9
6858	5816	3635	1580	8370	–	10050	-240	10.7	–	8.9
7620	6462	4039	1750	9310	–	11180	-270	10.7	–	8.9

136