D791ST

The Ultimate Education Projector

Vivitek  D791ST FrontLeft MediumRes

Large image form the zero projection distance

The Vivitek D791ST is the ultimate education projector with the world record shortest throw-ratio of 0.24:1 (for a 4:3 aspect ratio projector), enabling perfect presentation for the presenter without incident light in the eyes and without shadows on the image. The D791ST delivers a lot of brightness with 3000 ANSI Lumens and an outstanding contrast ratio of 2500:1 for a perfect displayed image.
Vivitek  D791ST  Top Angle right front MediumRes
Vivitek  D791ST  rear MediumRes

Key features

  • 3000 ANSI Lumens of brightness with a 2500:1 contrast ratio
  • DLP® and BrilliantColor™ technologies from Texas Instruments
  • Connectivity options include: HDMI v1.3, VGA-in, composite video, component video, S-video
  • Network-ready for integration and system administration via RJ45
  • Top-loading, sliding cover for quick and easy lamp replacement
  • DLP 3D Ready for 3D viewing experience
DLP® Technology

DLP® Technology

DLP (Digital Light Processing) is a display technology from Texas Instruments (TI). The technology inside is often referred to as DMD (Digital Micro-Mirrors). It consists of an array of mirrors where each mirror represents a pixel element. For example, a high-definition DLP projector or rear projector with 1920 x 1080 pixel resolution would have over 2 million tiny mirrors. Each mirror is attached to an electronically driven hinge that controls the amount of colored light that is reflected from
BrilliantColor™

BrilliantColor™

BrilliantColor from Texas Instruments is a multi-color processing technology that produces vibrant images. BrilliantColor technology uses up to six colors, instead of just the three primary colors, red, green and blue, to improve color accuracy and brightens secondary colors.
3D Ready

3D Ready

A projector that is 3D Ready can accept a 120Hz frame-sequential 3D signal from a computer. These projectors are not compatible with the HDMI 1.4 3D specification used on 3D Blu-ray players and set-top boxes. 3D ready uses DLP Link Technology from Texas Instruments.
HDMI

HDMI

HDMI (High Definition Multimedia Interface) is an uncompressed, all-digital audio/video interface that supports audio/video sources such as a set-top box, DVD player, A/V receiver, and video monitors such as a digital projector or digital television (DTV). HDMI is backward compatiable with DVI 1.0 specification and supports HDCP.

Related Products

Vivitek  D795WT  FrontLeft MediumRes

D795WT

WXGA (1280 x 800)

3000 ANSI Lumens

C.R.: 2,500:1

T.R.: 0.19:1

RJ45: Yes

9 kg

View details
Native Resolution XGA (1024 x 768)
Brightness 3000 ANSI Lumens
Contrast Ratio 2,500:1
Max. Resolution UXGA (1600 x 1200) @60Hz
Native Aspect Ratio 4:3
Lamp Life and Type 4,000 / 6,000 Hours (Boost / Std. Mode), 220W
Display Type Single chip DLP® Technology by Texas Instruments
Chip Size 0.55” DMD
Throw Ratio 0.24 :1
Image Size (Diagonal) 73.5" - 82.2"
Projection Distance 22.4+/-10 mm ~58.7+/-10 mm
Projection Lens Manual Focus
Zoom Ratio Fixed Lens
Offset 365mm - 378 mm (+/- 50mm)
Speakers 10W
Video Compatibility SDTV(480i, 576i), EDTV (480p, 576p), HDTV (720p, 1080i/p), NTSC (M, 3.58/4.43 MHz), PAL (B, D, G, H, I, M, N), SECAM (B, D, G, K, K1, L)
I/O Connection Ports VGA-In (15pin D-Sub), HDMI Number of Ports, HDMI Version, S-Video, Composite Video, Audio-In (Mini-Jack), VGA-Out (15pin D-Sub), Audio-Out (Mini-Jack), RJ45, RS-232, Microphone (Mini-Jack)
Dimensions (W x D x H) 354 x 319 x 157mm (not including mirror)
Weight 9 kg
Noise Level 27dB/29dB (Std. / Boost Mode)
Power Supply: AC 100-240V, 50/60Hz Consumption: 240W (Std. Mode), 290W (Boost Mode), <1W (Standby Mode)
3D Ready(DLP link, PC+Video) Yes
Spare Lamp P/N 5811116635-SU
Universal Wall Mount (T/R 0.2) 3900228100
Remote Control P/N No
Standard Accessories VGA Cable, User Manual (CD), Lens Cap, Quick Start Guide, Remote Controller (with battery)
Optional Accessories Spare Lamp P/N: 5811116635-SU , Universal Wall Mount (T/R 0.2)
Warranty Standard Warranty, Education Warranty
Vivitek  D791ST FrontLeft MediumRes
Vivitek  D791ST  TopAngleRear MediumRes
Vivitek  D791ST  Topangle MediumRes
Vivitek  D791ST  Top MediumRes
Vivitek  D791ST  Top Angle Right Rear MediumRes
Vivitek  D791ST  Top Angle right front MediumRes
Vivitek  D791ST  rear MediumRes
Vivitek  D791ST  Left MediumRes
Vivitek  D791ST  Front MediumRes

Replacement Lamp

LB08O D07A Lamp Photo 1 D791ST D795WT

Power: 220 W
Part number: 5811116635-SU

IR Remote Control

VivitekD7 D8 D9 D5000 Series

Description: Remote Control Full Function 27 Keys
Part number: No

Vivitek Projector Distance Calculator v2.0

 

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Note on using the projector distance planning calculator and tips for projector installation:
Calculator accuracy +/-5%. The calculator is designed to help you plan your installation and find the right projector. It is not designed to provide exact dimensions. When calculating the throw distance, bear in mind that the distance is measured from the front of the lens to the projection surface, except for Ultra Short Throw projectors with a mirror system. Where possible, attempt to position the projector in the middle of the zoom range , which is where the optics is optimized for. Try to avoid the extreme outer boundaries as the projector lenses has variance and performance tolerances that could make the screen not being filled, or the image being larger than the screen, caused by small variances in the optical systems. If you need to be at the extreme outer boundaries, we recommend that you order the projector and test the actual distance in your environment before fixing any mounting parts to the wall or ceiling.
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