PG-A20X. Version 1.5 - Sharp Projector Handy Guide. Page 20

20

Picture (Screen) size

Projection distance (L)

Diag. (X)

Width

Height

Maximum (L1)

Minimum (L2)

Distance from the

lens centre to the

bottom of the image

(H)

300" (762 cm)

240" (609.6cm)

180"(457.2 cm)

32'10" (10.0 m)

39' 0" (11.9 m)

17 31/64" (44.4 cm)

250" (635 cm)

200" (508 cm)

150" (381 cm)

27' 3" (8.3 m)

32' 6" (9.9 m)

14 37/64" (37.0 cm)

200" (508 cm)

160" (406.4 cm)

120" (304.8 cm)

21' 8" (6.6 m)

25'11" (7.9 m)

11 21/32" (29.6 cm)

150" (381 cm)

120" (304.8 cm)

90" (228.6 cm)

16' 5" (5.0 m)

19' 4" (5.9 m)

8 3/4" (22.2 cm)

100" (254 cm)

80" (203.2 cm)

60" (152.4 cm)

10'10" (3.3 m)

12'10" (3.9 m)

5 53/64" (14.8 cm)

84" (213.3 cm)

67" (170.1 cm)

50" (127 cm)

8'10" (2.7 m)

10'10" (3.3 m)

4 57/64" (12.4 cm)

72" (182.8 cm)

58" (147.3 cm)

43" (109.2 cm)

7' 7" (2.3 m)

9' 2" (2.8 m)

4 7/32" (10.7 cm)

60" (152.4 cm)

48" (121.9 cm)

36" (91.4 cm)

6' 3" (1.9 m)

7' 7" (2.3 m)

3 33/64" (8.9 cm)

40" (101.6 cm)

32" (81.2 cm)

24" (60.9 cm)

4' 3" (1.3 m)

4'11" (1.5 m)

2 21/64" (5.9 cm)

The formula for picture size and projection distance
χ: Picture size (diag.) (in)
[Feet, inches]
L1 (ft) = (0.0334χ – 0.06) / 0.3048
L2 (ft) = (0.0398χ – 0.06) / 0.3048
H (in) = 0.0583χ
[m, cm]
L1 (m) = 0.0334χ – 0.06
L2 (m) = 0.0398χ – 0.06
H (cm) = 0.0583χ × 2.54

Picture (Screen) size

Projection distance (L)

Diag. (X)

Width

Height

Maximum (L1)

Minimum (L2)

Distance from the

lens centre to the

bottom of the image

(H)

300" (762 cm)

261" (664 cm)

147" (374 cm)

35' 9" (10.9 m)

42' 8" (13.0 m)

–4 47/64" (–12.0 cm)

250" (635 cm)

218" (553.7 cm)

123" (312.4 cm)

29' 6" (9.0 m)

35' 5" (10.8 m)

–3 15/16" (–10.0 cm)

225" (571.5 cm)

196" (497.8 cm)

110" (279.4 cm)

26' 7" (8.1 m)

31' 10" (9.7 m)

–3 35/64" (–9.0 cm)

200" (508 cm)

174" (441.9 cm)

98" (248.9 cm)

23' 7" (7.2 m)

28' 3" (8.6 m)

–3 5/32" (–8.0 cm)

150" (381 cm)

131" (332.7 cm)

74" (188 cm)

17' 9" (5.4 m)

21' 2" (6.5 m)

–2 3/8" (–6.0 cm)

133" (337.8 cm)

116" (294.6 cm)

65" (165.1 cm)

15' 9" (4.8 m)

18' 9" (5.7 m)

–2 3/32" (–5.3 cm)

106" (269.2 cm)

92" (233.6 cm)

52" (132 cm)

12' 6" (3.8 m)

14' 11" (4.5 m)

–1 11/16" (–4.3 cm)

100" (254 cm)

87" (220.9 cm)

49" (124.4 cm)

11'10" (3.6 m)

14' 1" (4.3 m)

–1 37/64" (–4.0 cm)

92" (233.6 cm)

80" (203.2 cm)

45" (114.3 cm)

10'10" (3.3 m)

12' 11" (3.9 m)

–1 15/32" (–3.7 cm)

84" (213.3 cm)

73" (185.4 cm)

41" (104.1 cm)

9'10" (3.0 m)

11' 9" (3.6 m)

–1 11/32" (–3.4 cm)

72" (182.8 cm)

63" (160 cm)

35" (88.9 cm)

8' 6" (2.6 m)

10' 1" (3.1 m)

–1 9/64" (–2.9 cm)

60" (152.4 cm)

52" (132 cm)

29" (73.6 cm)

6'11" (2.1 m)

8' 4" (2.5 m)

– 61/64" (–2.4 cm)

40" (101.6 cm)

35" (88.9 cm)

20" (50.8 cm)

4' 7" (1.4 m)

5' 6" (1.7 m)

– 41/64" (–1.6 cm)

The formula for picture size and projection distance
χ: Picture size (diag.) (in)
[Feet, inches]
L1 (ft) = (0.0364χ – 0.06) / 0.3048
L2 (ft) = (0.0434χ – 0.06) / 0.3048
H (in) = – 0.0158χ
[m, cm]
L1 (m) = 0.0364χ – 0.06
L2 (m) = 0.0434χ – 0.06
H (cm) = – 0.0158χ × 2.54

Note

• 

There is an error of ± 3% in the formula above.

• 

Values with a minus (–) sign indicate the distance of the lens centre below the bottom of the image.