Technical Information

Screen size and throw distance for 16:9 aspect ratio

Projection size

 

Throw distance (L)

 

 

Throw distance (L)

 

(16

: 9)

 

PT-LB80NTE /LB80E

 

PT-LB78E /LB75NTE / LB75E

Screen diagonal

Minimum distance

Maximum distance

Minimum distance

Maximum distance

(SD)

(LW)

(LT)

 

(LW)

(LT)

33"

(0.84 m)

 

 

1.2 m

(3'11")

 

 

1.2 m

(3'11")

40"

(1.02 m)

1.2 m

(3'11")

1.5 m

(4'11")

1.3 m

(4'3")

1.5 m

(4'11")

50"

(1.27 m)

1.6 m

(5'2")

1.9 m

(6'2")

1.6 m

(5'2")

1.9 m

(6'2")

60"

(1.52 m)

1.9 m

(6'2")

2.3 m

(7'6")

1.9 m

(6'2")

2.3 m

(7'6")

70"

(1.78 m)

2.2 m

(7'2")

2.7 m

(8'10")

2.2 m

(7'2")

2.6 m

(8'6")

80"

(2.03 m)

2.5 m

(8'2")

3.0 m

(9'10")

2.5 m

(8'2")

3.0 m

(9'10")

90"

(2.29 m)

2.8 m

(9'2")

3.4 m

(11'1")

2.8 m

(9'2")

3.4 m

(11'1")

100"

(2.54 m)

3.2 m

(10'5")

3.8 m

(12'5")

3.2 m

(10'5")

3.8 m

(12'5")

120"

(3.05 m)

3.8 m

(12'5")

4.6 m

(15'1")

3.8 m

(12'5")

4.6 m

(15'1")

150"

(3.81 m)

4.8 m

(15'8")

5.8 m

(19')

4.7 m

(15'5")

5.7 m

(18'8")

200"

(5.08 m)

6.4 m

(20'11")

7.7 m

(25'3")

6.3 m

(20'8")

7.6 m

(24'11")

250"

(6.35 m)

8.0 m

(26'2")

9.6 m

(31'5")

7.9 m

(25'11")

9.5 m

(31'2")

300"

(7.62 m)

9.6 m

(31'5")

11.6 m

(38')

9.5 m

(31'2")

11.4 m

(37'4")

* All measurements above are approximate and may differ slightly from the actual measurements.

Calculation methods for screen dimensions

You can calculate more detailed screen dimension from the screen diagonal.

Screen width (SW) and screen height (SH)

SW (m) = SD (") x 0.0221

SH (m) = SD (") x 0.0125

Minimum distance (LW) and maximum distance (LT)

PT-LB80NTE:

LW (m) = 0.0321 x SD (") - 0.04

LT (m) = 0.0388 x SD (") - 0.06

PT-LB75NTE:

LW (m) = 0.0318 x SD (") - 0.022

LT (m) = 0.0383 x SD (") - 0.046

* The results above are approximate and may differ slightly from the actual measurements.

Appendix

ENGLISH - 49

Page 49
Image 49
Panasonic PT-LB78E manual Screen size and throw distance for 169 aspect ratio, PT-LB80NTE, PT-LB75NTE