Keystone

1.0%

 

 

 

 

1.9

Descriptive Image Quality

There should be no streaks or jitter, good saturated colors, and

 

 

crisp resolution. Must adhere to Appendix E

 

 

 

1.10 Lateral Color

1 Pixel

 

 

 

 

 

 

 

1). 52” Diagonal for OPT test;

 

1.11 Screen Size for Testing

2). Distance 3.0m for Focus test. ( Tele @ the same Throw

Distance. )

 

 

 

 

 

 

Criteria: Pixel clear ( same as test chart )

 

 

 

2.0 Optical

 

 

 

 

 

2.1

Optical Structure

Single Chip 0.8” 12° tilt DMD ( HD2 ) from Texas Instruments

 

 

(HD2 Front Projection Image Quality Specification described in

 

 

Appendix D)

 

 

 

 

 

2.2

Projection Lens

Manual Zoom & Focus

 

 

 

 

 

 

2.2.2 F/#

2.8

 

 

2.2.3 Throw Ratio

100” Diagonal at 3m ( Wide )

 

 

 

 

 

 

2.2.4 Zoom Ratio

1.2 : 1

 

 

 

 

 

 

2.2.5 Focus and flare

As following chart:

 

 

 

 

2.3 Lamp

 

 

 

 

 

 

 

2.3.1 Maker

Ushio

 

 

 

 

 

 

2.3.2 Model

NSH 210 MD

 

 

 

 

 

 

2.3.3 Type

DC lamp

 

 

 

 

 

 

2.3.4 Lamp Wattage

210 watts

 

 

 

 

 

 

2.3.5 Lamp life

1000 Hours ( Typical )

 

 

 

 

 

2.4

Focus Distance

1.5 – 5m

 

 

 

 

 

2.5

Keystone Correction

 

 

 

 

 

 

 

2.5.1 Electronic

± 12°

 

 

 

 

 

2.6

Colors

24-bit color

 

 

 

 

 

2.7

Native Resolution

 

 

 

 

 

 

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BenQ PE8700 service manual