Nec MT1050 User Guide

Visual Systems Division
Technical Bulletin

MT1050 Installation Data

with Optional MT10RL Rear Lens (1.0:1) Rev. 1.7

Contents

Product Description, Lens Specs, Notes and Formulas Page 1
Projection Distances and Screen Sizes

Rear Projection Installation Page 2
Other Applications

Rear Projection Systems Page 3
Cabinet Dimensions

Top, Front and Right Side Page 4
Bottom, Back and Left Side Page 5
Timing Chart Page 6
PC Control Codes Page 7

Product Description

Type: 3 panel, 1.3” p-Si TFT LCD projector Dimensions: 11.1”(W) x 5.3”(H) x 16.9”(D) (w/lens installed)
Native Resolution: 1024 x 768 Weight: 17.4 lbs (w/lens installed)
Brightness: 2100 ANSI Lumens

Lens Specifications

MT10RL Zoom Lens
Throw Ratio: 0.94 – 1.01:1 Screen Sizes: 40 – 300” Diagonal
Offset Angle: 0° Distortion: 0.5% TV Distortion
Focal Length: 27mm MTF (@30 lp/mm Green): Ctr >70% Corner >60%
F/#: 2.3 AR Coated: Multi-Layer Coated
Focus Adjustment: Manual Focus Chromatic Aberration: Max 10 µm

Notes

§ For Screen Sizes of 40 to 300 inches not indicated on the projection tables, use the formulas below.

§ If the figures on the tables do not match the results of formulas, use the figures in the table.

§ The ceiling must be strong enough to support the LCD projector and the installation must be in accordance with any local

building codes.

• All calculations are based on 4:3 aspect ratio.

• Distances are in inches, for millimeters multiply by 25.4.

• Distances may vary ±5%.

Formulas

Units: Inches (for millimeters multiply final number by 25.4)

D = Screen Diagonal (4:3)
H = D x 0.8 H = Screen Width (4:3)
V = D x 0.6 V = Screen Height (4:3)

M = 0.95403H M = Projection magnification
C = 1.0681M – 2.468 C = Throw distance

°

α = 0

α = Throw angle

Page 1

Visual Systems Division
Technical Bulletin

MT1050 Installation Data

with Optional MT10RL Rear Lens (1.0:1) Rev. 1.7

Projection Distance and Screen Size for Desktop

The following diagram shows the relationship between projector position and the screen.
Distances are in inches. For millimeters multiply by 25.4.

Desktop Setup

C

Throw Distance

Screen Ctr

Distance Chart

Diagonal Width Height

40" 32" 24" 30.1"
60" 48" 36" 46.4"
67" 53.6" 40.2" 52.2"
72" 57.6" 43.2" 56.2"
84" 67.2" 50.4" 66.0"

Screen Size

2.56"

Throw Angle = 0

Projector Foot

°

C

90" 72" 54" 70.9
100" 80" 60" 79.1"
120" 96" 72" 95.4"
150" 120" 90" 119.8"
180" 144" 108" 144.3"

Note:

For screen sizes of 40 to 200 inches not indicated on the projection tables, use the formulas on page 1.

Page 2

Visual Systems Division
Technical Bulletin

MT1050 Installation Data

with Optional MT10RL Rear Lens (1.0:1) Rev. 1.7

Other Applications using MT1050 with 1.0:1 Rear Projection Lens
Rear Projection Systems (contact third party manufacturer for these frame/mirror/screen kits)

Page 3