The projector:

OPTOMA-L1

Experience unforgettable 4K UHD images from the comfort of your home with up to 120-inch images . The L1 is equipped with the latest 4LED technology and offers stunning color accuracy and
Liveliness - perfect for large format home cinema .

Speci fi cations

Colour: Black
Display/Image
Display technology DLP™
Resolution UHD ( 3840x2160 )
Brightness 2,500 lumens
Brightness (HK/ANSI) 2500/1050
Contrast ratio 1,800,000
Aspect ratio 16:9
Keystone Correction -
horizontal
10°
Keystone correction - vertical 10°
Displayable colors (millions) 1073.4
Horizontal Scan Rate 15~135Khz
Vertical scan rate 50~240Hz
Uniformity 85%
Screen size1.9m ~ 3.05m (75" ~ 120") diagonal
Lamp type
Light source LED
LED lifespan 30,000 hours
optics
Projection ratio 0.25:1
Projection distance (m) 0.47m - 0.74m
Focal length (mm) 2.63mm
Native O ff set 126%
Connection
ConnectionsConnections3 x HDMI 2.0
Outputs 1 x Audio 3.5mm, 1 x USB-A Power 1.5A, 1 x
S/PDIF, 1 x Micro USB
General information
Operating noise ECO 24dB
Operating noise (max) 28dB
3D Compatibility Yes (DLP 3D)
3D 3D ready
Security Security mount, Kensington Lock, Passwordprotected
interface
OSD / Display Languages 25 languages: Arabic, Czech, Norwegian/Danish,
Dutch, English, Farsi, Finnish,French ,
German, Greek, Hungarian, Indonesian, Italian,
Japanese, Norwegian, Polish, Portuguese, Romanian,
Russian, Chinese (Simplified), Spanish, Swedish,
Chinese (traditional),Turkish , Vietnamese
360° display Yes
Operating conditions 0~40 ° C/32° F~104° F, max altitude 10,000ft, max humidity 80%
Remote control card style
Speaker 2
Watt per speaker 10W
Standard accessories 1x remote control

Power consumption
Power supply 100V ~ 240V, 50-60Hz
Power consumption (min) 95W
Power consumption (max) 165W
Weight and dimensions
Dimensions (W x D x H) (mm) 400 x 316 x 102.3
Gross weight 7.8 kg
Weight 5.1 kg

The quality screen from Leinwandbau.info:

You are purchasing a ready-made CLR frame screen for ultra short throw projectors. Frame width 10mm slim frame. Easy installation system.

This canvas is a CLR canvas. This type of canvas has slats that are colored black on one side (top) and white/gray on the other side (bottom).

The screen cloth only reflects the light from the projector, but little or no light coming from other light sources such as windows or lamps.

The screen consists of an aluminum frame that you have to put together. Fiberglass rods are inserted around the outside of the screen.

and these are stretched onto the frame with springs. The frame screen is 36mm thick when it is hanging on the wall. The wall bracket is included.

Gain factor: 0.7

Viewing angle: 175°

Size chart:

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