Projection distance and lens shift range, Projection distance, Projection distance formula – Sony E 15mm f/1.4 G Lens User Manual
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Projection Distance and Lens Shift Range
Projection distance
The projection distance refers to the distance between the front of the lens and the projected surface.
Unit: m (inches)
Projection distance formula
D: Projection image size (")
Example) Enter 80 in D for the 80" projection image size.
Unit: m (inches)
Projection distance L
Front of the lens
Projected image
Projection image size
Projection distance L
Diagonal
Width × Height
VPLL-4008
VPLL-Z4111
VPLL-Z4015
VPLL-Z4019
VPLL-Z4025
VPLL-Z4045
VPLL-Z4107
80" (2.03 m)
1.72×1.08
(68x42)
1.70
(67)
2.23 - 3.36
(88 - 132)
3.06 - 4.24
(121 - 167)
4.04 - 5.37
(159 - 211)
4.99 - 9.78
(197 - 385)
9.33 - 12.92
(368 - 508)
1.29 - 1.59
(51 - 62)
100" (2.54 m)
2.15×1.35
(85x53)
2.14
(84)
2.81 - 4.22
(111 - 166)
3.85 - 5.33
(152 - 209)
5.08 - 6.74
(200 - 265)
6.27 - 12.27
(247 - 483)
11.71 - 16.15
(461 - 635)
1.63 - 2.00
(64 - 78)
120" (3.05 m)
2.58×1.62
(102x64)
2.58
(102)
3.38 - 5.08
(133 - 200)
4.65 - 6.41
(183 - 252)
6.12 - 8.12
(241 - 319)
7.56 - 14.75
(298 - 580)
14.10 - 19.38
(555 - 763)
1.96 - 2.41
(77 - 94)
150" (3.81 m)
3.23×2.02
(127x79)
3.25
(128)
4.24 - 6.37
(167 - 250)
5.83 - 8.04
(230 - 316)
7.68 - 10.18
(303 - 400)
9.49 - 18.48
(374 - 727)
17.67 - 24.23
(696 - 953)
2.46 - 3.02
(97 - 119)
200" (5.08 m)
4.31×2.69
(170x106)
4.36
(172)
5.68 - 8.52
(224 - 335)
7.81 - 10.76
(308 - 423)
10.28 - 13.61
(405 - 536)
12.70 - 24.69
(500 - 972)
23.63 - 32.30
(931 - 1,271)
3.29 - 4.04
(130 - 159)
Lens
Projection distance L (minimal length)
Projection distance L (maximal length)
VPLL-4008
L=0.022186xD-0.0777
(L=0.873473xD-3.0591)
L=0.000000xD+0.0000
(L=0.000000xD+0.0000)
VPLL-Z4111
L=0.028726xD-0.0718
(L=1.130955xD-2.8266)
L=0.042976xD-0.0712
(L=1.691987xD-2.8024)
VPLL-Z4015
L=0.039555xD-0.1063
(L=1.557266xD-4.1850)
L=0.054349xD-0.1045
(L=2.139713xD-4.1142)
VPLL-Z4019
L=0.052005xD-0.1235
(L=2.047436xD-4.8622)
L=0.068702xD-0.1224
(L=2.704809xD-4.8189)
VPLL-Z4025
L=0.064245xD-0.1553
(L=2.529325xD-6.1142)
L=0.124243xD-0.1541
(L=4.891449xD-6.0669)
VPLL-Z4045
L=0.119195xD-0.2113
(L=4.692699xD-8.3189)
L=0.161544xD0.0000
(L=6.359987xD0.0000)
VPLL-Z4107
L=0.016620xD-0.0417
(L= 0.654341xD-1.6435)
L=0.020437xD-0.0404
(L= 0.804612xD-1.5916)