H77
1-5
1-4
Optical Specifications
Projection Lens
-
f = 28.3 ~ 38.2mm, F/3.4, 1.35X Manual Zoom Lens.
Projection Image Size
-
30” to 280” Diagonal (Wide)
Throw Distance
-
3.28 ft to 32.80 ft / 1.0m to 10m (Wide).
Throw Ratio
-
1.6 ~ 2.16 (Projection Distance / Image Width)
Tolerance
-
Throw ratio <= + / - 5%
Lens shift <= + / - 5%
Brightness
-
540 ANSI lumens (Minimum Engineering spec.),
(Spoke on @ 5x color wheel spindle speed)
Contrast
-
Full on / Full off : Typical 2500 : 1 / Minimum 2200 : 1
(Spoke on / Spoke off)
Uniformity
-
Typical ANSI 85% / Minimum 80%
1-5
Environmental Specifications
Temperature :
-
Operating : 5° ~ 35°C
-
Storage : -10° ~ 60°C
Maximum Humidity
-
Operating : 5
o
C ~ 35
o
C, 80%RH (Max.), non-condensing
Storage : -10
o
C ~ 60
o
C, 80%RH (Max.), non-condensing
Acoustic noise level
-
32 +/- 2 dB(A) Standard (Typical, Under 23 +/- 2
o
C@1 atm), noise measurement
28 +/- 2 dB(A) Eco (Typical, Under 23 +/- 2
o
C@1 atm), noise measurement
