Sony SRX-T105, Installation Manual

Page: 7 / 44

7
Projection Distance Charts
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Projection Distance Charts
The alphabetical characters in this section indicate the following measurements:
W: Screen width (unit: mm)
D: Screen diagonal length (unit: inch)
L(min): Minimum distance between the center of lens and screen
L(max): Maximum distance between the center of lens and screen
H: Screen height (different from the aspect ratio of the projected image)
The distance between the lens and the screen varies depending on the attached lens, type of the input signal or size of the
projected image. Choose the most suitable distance (L) depending on the screen size (W or D).
The formula for calculating the projection distance from the screen width (W, unit: mm) is as follows:
The formula for calculating the projection distance from the screen diagonal length (D, unit: inch) is as follows:
The projection distance (L) that is decided by the screen width (W) is as shown below.
For the projection distance charts of the optional lenses not mentioned below, refer to the mounting instructions supplied
with each lens.
Screen
320 mm (12
5
/
8
inches)
L
Center of screen
Center of lens
A:Distance between the floor and the feet of the projector
A = B – 320 mm (12
5
/
8
inches)
B: Distance between the floor and the center of screen
B
A
Type of lens Projection distance calculation
formula when inputting a 4K × 2K
signal Projection distance calculation
formula when inputting a 16:9
signal Projection distance calculation
formula when inputting a 4:3
signal
L(min) L(max) L(min) L(max) L(min) L(max)
LKRL-Z115 1.48 × W 1.81 × W 1.57 × W 1.93 × W 2.11 × W 2.57 × W
LKRL-Z117 1.72 × W 2.39 × W 1.83 × W 2.55 × W 2.45 × W 3.40 × W
LKRL-Z119 1.81 × W 2.94 × W 1.93 × W 3.14 × W 2.57 × W 4.18 × W
LKRL-Z122 2.23 × W 4.03 × W 2.38 × W 4.30 × W 3.17 × W 5.73 × W
LKRL-Z140 3.81 × W 7.12 × W 4.06 × W 7.59 × W 5.42 × W 10.13 × W
LKRL-90 0.9 × W 0.96 × W 1.28 × W
Type of lens Projection distance calculation
formula when inputting a 4K × 2K
signal Projection distance calculation
formula when inputting a 16:9
signal Projection distance calculation
formula when inputting a 4:3
signal
L(min) L(max) L(min) L(max) L(min) L(max)
LKRL-Z115 1.31 × D 1.60 × D 1.36 × D 1.67 × D 1.67 × D 2.05 × D
LKRL-Z117 1.55 × D 2.15 × D 1.65 × D 2.30 × D 2.21 × D 3.06 × D
LKRL-Z119 1.63 × D 2.65 × D 1.74 × D 2.83 × D 2.31 × D 3.76 × D
LKRL-Z122 2.01 × D 3.63 × D 2.13 × D 3.86 × D 2.85 × D 5.16 × D
LKRL-Z140 3.43 × D 6.41 × D 3.65 × D 6.83 × D 4.88 × D 9.12 × D
LKRL-90 0.81 × D 0.86 × D 1.15 × D