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Not all projectors are built the same. Explore how the Optoma UHD55 stands out with 161 specs & features — like general information, optical performance, projection & throw performance & lens & focus system — on Techspotr.
A fast snapshot of the Optoma UHD55, covering its standout specification and what you can expect right out of the box.
Optoma UHD55
Optoma UHD55 is a smart 4K UHD projector featuring 3,600 lumens, 95% DCI-P3 color gamut, and Alexa/Google Assistant integration, offering a high-fidelity and connected home cinema experience.
Specifications & Facts 161
Specs measured. Drama avoided.
From standout features and price to detailed pros and cons, the Optoma UHD55 projector is laid bare — plus how it compares to other projectors and what shoppers are saying.
General Information 9
Optoma UHD55 Product Type
What is the product type of this projector?
68 Optoma UHD55 0 Votes Home Theater
48 Projectors in this range Home Theater
Defines the general classification of this projector.
When it comes to Product Type, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 20 score measurement.
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Optoma UHD55 Release Year
What is the release year of this projector?
98 Optoma UHD55 0 Votes 2026
52 Projectors in this range 2023
Shows the year the projector model was released.
When it comes to Release Year, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 46 score measurement.
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Optoma UHD55 Build Material
What is the build material of this projector?
38 Optoma UHD55 0 Votes Plastic
27 Projectors in this range Plastic
Specifies the main construction material of the chassis.
When it comes to Build Material, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 11 score measurement.
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Optoma UHD55 Intended Usage Type
What is the intended usage type of this projector?
78 Optoma UHD55 0 Votes Home Theater
57 Projectors in this range Home Theater
Describes the ideal application for this projector.
When it comes to Intended Usage Type, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 21 score measurement.
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Optoma UHD55 Projection Technology Type
What is the projection technology type of this projector?
58 Optoma UHD55 0 Votes DLP
44 Projectors in this range DLP
Identifies the core imaging technology used.
When it comes to Projection Technology Type, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 14 score measurement.
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Optoma UHD55 Imaging Chip Type
What is the imaging chip type of this projector?
83 Optoma UHD55 0 Votes DLP Chip
62 Projectors in this range DLP Chip
Indicates the chip architecture that forms the image.
When it comes to Imaging Chip Type, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 21 score measurement.
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Optoma UHD55 Color
What is the color of this projector?
48 Optoma UHD55 0 Votes White
35 Projectors in this range Black
Indicates the color finish of the projector body.
When it comes to Color, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 13 score measurement.
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Optoma UHD55 Country of Manufacture
What is the country of manufacture for this projector?
78 Optoma UHD55 0 Votes China
59 Projectors in this range China
Indicates where the projector was manufactured.
When it comes to Country of Manufacture, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 19 score measurement.
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Optoma UHD55 Imaging Chip Size
What is the imaging chip size of this projector?
0.47 inch 0Votes
0.53 inch (Average)
Specifies the size of the imaging chip. Larger chips generally improve performance.
When it comes to Imaging Chip Size, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 0.1 inch measurement.
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Optical Performance 16
Optoma UHD55 Color Bit Depth
What is the color bit depth?
10 bit 0Votes
10.81 bit (Average)
Optoma UHD55
Supports a color bit depth of 10 bits, allowing for richer color gradients and more accurate image reproduction.
Determines how finely color gradients are rendered.
When it comes to Color Bit Depth, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 0.8 bit measurement.
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Optoma UHD55 Native Resolution
What is the native resolution of this projector?
98 Optoma UHD55 0 Votes 4K
71 Projectors in this range 1080p
The true physical pixel resolution produced by the projector.
When it comes to Native Resolution, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 27 score measurement.
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Optoma UHD55 Maximum Supported Resolution
What is the maximum supported resolution of this projector?
78 Optoma UHD55 0 Votes 4K
55 Projectors in this range 4K
The highest resolution signal the projector can accept.
When it comes to Maximum Supported Resolution, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 23 score measurement.
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Optoma UHD55 Brightness Output
What is the brightness output?
3,600 lumen 0Votes
2,972.44 lumen (Average)
Indicates overall light output for visibility in ambient light.
When it comes to Brightness Output, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 627.6 lumen measurement.
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Optoma UHD55 Contrast Ratio
What is the contrast ratio of this projector?
0 Optoma UHD55 0 Votes 1,000,000:1
5 Projectors in this range 1,000:1
Represents the difference between the darkest black and brightest white produced by the projector.
When it comes to Contrast Ratio, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 5 score measurement.
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Optoma UHD55 Pixel Shifting
Does this projector support pixel shifting?
Yes 0Votes Optoma UHD55
Yes Projectors in this range
Indicates whether resolution enhancement via pixel shifting is supported.
When it comes to Pixel Shifting, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 26 score measurement.
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Optoma UHD55 Frame Interpolation
Does this projector support frame interpolation?
Yes 0Votes Optoma UHD55
Yes Projectors in this range
Allows smoother motion for sports and fast scenes.
When it comes to Frame Interpolation, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 38 score measurement.
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Optoma UHD55 Peak ANSI Lumens
What is the peak ANSI lumens of this projector?
3,600 lumen 0Votes
2,939.59 lumen (Average)
Industry-standard brightness measurement using ANSI method.
When it comes to Peak ANSI Lumens, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 660.4 lumen measurement.
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Optoma UHD55 Dynamic Lumens
What is the dynamic lumens rating?
3,600 lumen 0Votes
3,087.95 lumen (Average)
Measures boosted brightness in enhanced dynamic modes.
When it comes to Dynamic Lumens, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 512.0 lumen measurement.
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Optoma UHD55 Dynamic Contrast Ratio
Deep dynamic contrast at :val.
0 Optoma UHD55 0 Votes 1,000,000:1
4 Projectors in this range Not Specified
What is the dynamic contrast ratio?
When it comes to Dynamic Contrast Ratio, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 4 score measurement.
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Optoma UHD55 Color Gamut Coverage
What is the color gamut coverage?
95 % 0Votes
101.01 % (Average)
Indicates percent coverage of color spaces such as Rec.709 or DCI-P3.
When it comes to Color Gamut Coverage, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 6.0 % measurement.
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Optoma UHD55 HDR Format Support
What HDR formats does this projector support?
43 Optoma UHD55 0 Votes HDR10, HLG
30 Projectors in this range HDR10
Specifies which HDR formats the projector can display.
When it comes to HDR Format Support, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 13 score measurement.
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Optoma UHD55 HDR Peak Brightness
What is the HDR peak brightness?
3,600 lumen 0Votes
2,886.76 lumen (Average)
How bright the projector can go during HDR highlights.
When it comes to HDR Peak Brightness, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 713.2 lumen measurement.
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Optoma UHD55 Refresh Rate
What is the refresh rate?
240 Hz 0Votes
104.83 Hz (Average)
Determines motion smoothness for gaming and video.
When it comes to Refresh Rate, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 135.2 Hz measurement.
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Optoma UHD55 Motion Processing Type
Smooth motion processing with level :val.
38 Optoma UHD55 0 Votes 2–5 (Standard)
17 Projectors in this range Not specified
What is the motion processing level?
When it comes to Motion Processing Type, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 21 score measurement.
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Optoma UHD55 Sharpness Enhancement Type
Crisp detail with sharpness level :val.
68 Optoma UHD55 0 Votes 2–4 (Balanced)
34 Projectors in this range 2–4 (Balanced)
What is the sharpness enhancement level?
When it comes to Sharpness Enhancement Type, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 34 score measurement.
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Projection & Throw Performance 14
Optoma UHD55 Digital Zoom Level
Useful zoom reaching :valx.
8 Optoma UHD55 0 Votes Yes
33 Projectors in this range 1.1x–1.5x (Moderate)
Optoma UHD55
Supports digital zoom, allowing users to zoom in on the image without physically moving the projector.
What is the digital zoom level?
When it comes to Digital Zoom Level, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 25 score measurement.
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Optoma UHD55 Auto Keystone
Does this projector support auto keystone?
Yes 0Votes Optoma UHD55
Yes Projectors in this range
Optoma UHD55
Auto keystone correction is included to automatically adjust for image distortion when the projector is placed at an angle.
Automatically corrects keystone distortion.
When it comes to Auto Keystone, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 24 score measurement.
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Optoma UHD55 Throw Ratio
Flexible placement with :val throw ratio.
38 Optoma UHD55 0 Votes 1.0–1.5 (Standard)
33 Projectors in this range 1.0–1.5 (Standard)
What is the throw ratio?
When it comes to Throw Ratio, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 5 score measurement.
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Optoma UHD55 Minimum Throw Distance
What is the minimum throw distance?
3.9 ft 0Votes
3.63 ft (Average)
Closest usable distance between projector and screen.
When it comes to Minimum Throw Distance, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 0.3 ft measurement.
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Optoma UHD55 Maximum Throw Distance
What is the maximum throw distance?
26.6 ft 0Votes
19.37 ft (Average)
Maximum distance at which the projector can achieve a proper image.
When it comes to Maximum Throw Distance, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 7.2 ft measurement.
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Optoma UHD55 Keystone Correction Vertical
What is the vertical keystone correction?
40 degree 0Votes
31.09 degree (Average)
Vertical angle adjustment to correct image distortion.
When it comes to Keystone Correction Vertical, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 8.9 degree measurement.
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Optoma UHD55 Keystone Correction Horizontal
What is the horizontal keystone correction?
40 degree 0Votes
28.26 degree (Average)
Horizontal angle adjustment to correct image distortion.
When it comes to Keystone Correction Horizontal, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 11.7 degree measurement.
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Optoma UHD55 Lens Shift Vertical
What is the vertical lens shift?
10 % 0Votes
37.57 % (Average)
Vertical lens movement for distortion-free positioning.
When it comes to Lens Shift Vertical, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 27.6 % measurement.
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Optoma UHD55 Screen Size Minimum
What is the minimum supported screen size?
34.03 inch 0Votes
48.21 inch (Average)
Smallest supported diagonal projection size.
When it comes to Screen Size Minimum, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 14.2 inch measurement.
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Optoma UHD55 Screen Size Maximum
What is the maximum supported screen size?
302.22 inch 0Votes
240.71 inch (Average)
Largest supported diagonal projection size.
When it comes to Screen Size Maximum, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 61.5 inch measurement.
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Optoma UHD55 Short Throw
Does this projector support short throw usage?
No 0Votes Optoma UHD55
Yes Projectors in this range
Indicates whether the projector is designed for short-throw projection.
When it comes to Short Throw, Optoma UHD55 ◉ is worse than Projector in this range ◉ .
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Optoma UHD55 Ultra Short Throw
Does this projector support ultra short throw projection?
No 0Votes Optoma UHD55
Yes Projectors in this range
Indicates whether the projector can project large images at extremely short distances.
When it comes to Ultra Short Throw, Optoma UHD55 ◉ is worse than Projector in this range ◉ .
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Optoma UHD55 Optical Zoom Level
High-quality optical zoom at :valx.
48 Optoma UHD55 0 Votes 1.2x–1.5x (Standard)
23 Projectors in this range 1.1x (Entry)
What is the optical zoom level?
When it comes to Optical Zoom Level, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 25 score measurement.
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Optoma UHD55 Projection Alignment Type
What is the projection alignment type?
58 Optoma UHD55 0 Votes Front
42 Projectors in this range Front
Describes how the projector aligns with the screen.
When it comes to Projection Alignment Type, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 16 score measurement.
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Lens & Focus System 10
Optoma UHD55 Dustproof Lens Design
Does this projector have a dustproof lens design?
No 0Votes Optoma UHD55
Yes Projectors in this range
Optoma UHD55
The lens does not have a dustproof design, so additional care may be needed to keep it clean in dusty environments.
Specifies whether the lens is designed to resist dust intrusion.
When it comes to Dustproof Lens Design, Optoma UHD55 ◉ is worse than Projector in this range ◉ .
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Optoma UHD55 Lens Motor Noise Level
What is the lens motor noise level?
26 dB 0Votes
18.7 dB (Average)
Measures noise generated during lens adjustments.
When it comes to Lens Motor Noise Level, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 7.3 dB measurement.
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Optoma UHD55 Lens Material
What is the lens material?
78 Optoma UHD55 0 Votes Glass
58 Projectors in this range Glass
Indicates the primary material used in the projector lens.
When it comes to Lens Material, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 20 score measurement.
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Optoma UHD55 Lens Coating Type
What is the lens coating type?
88 Optoma UHD55 0 Votes Anti-Reflective
67 Projectors in this range Anti-Reflective
Defines special coatings that enhance optical performance.
When it comes to Lens Coating Type, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 21 score measurement.
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Optoma UHD55 Aperture Size
What is the aperture size?
2.5 f-stop 0Votes
2.04 f-stop (Average)
Specifies the optical aperture size affecting brightness and depth.
When it comes to Aperture Size, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 0.5 f-stop measurement.
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Optoma UHD55 Focus Type
What is the focus type of this projector?
18 Optoma UHD55 0 Votes Manual
22 Projectors in this range Manual
Defines how the projector adjusts focus.
When it comes to Focus Type, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 4 score measurement.
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Optoma UHD55 Auto Focus
Does this projector support auto focus?
No 0Votes Optoma UHD55
Yes Projectors in this range
Indicates whether the projector can automatically adjust focus.
When it comes to Auto Focus, Optoma UHD55 ◉ is worse than Projector in this range ◉ .
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Optoma UHD55 Manual Focus Range
What is the manual focus range?
38 Optoma UHD55 0 Votes Standard throw range
33 Projectors in this range Manual focus ring
Indicates the distance range manual focus can adjust for.
When it comes to Manual Focus Range, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 5 score measurement.
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Optoma UHD55 Lens Protection Cover
Does this projector include a lens protection cover?
No 0Votes Optoma UHD55
Yes Projectors in this range
Indicates whether the lens includes a physical protection cover.
When it comes to Lens Protection Cover, Optoma UHD55 ◉ is worse than Projector in this range ◉ .
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Optoma UHD55 Lens Replacement Compatibility
Is the lens replaceable?
No 0Votes Optoma UHD55
Projector in this range Who knows? (Help us out by suggesting one!)
Indicates whether the projector's lens can be replaced or upgraded.
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Light Source System 11
Optoma UHD55 Light Efficiency
What is the light efficiency?
15 % 0Votes
53.81 % (Average)
Optoma UHD55
The light efficiency rating is 15%, indicating the portion of electrical energy converted effectively to visible light.
Measures how effectively the light source converts power into brightness.
When it comes to Light Efficiency, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 38.8 % measurement.
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Optoma UHD55 Cool-Down Time
What is the cool-down time?
60 second 0Votes
31.9 second (Average)
Optoma UHD55
The cool-down time is specified as 60 seconds which indicates how long the projector takes to safely power down and cool the light source before it can be handled or moved.
Time required before the projector safely powers off.
When it comes to Cool-Down Time, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 28.1 second measurement.
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Optoma UHD55 Light Source Replaceability
Can the light source be replaced?
Yes 0Votes Optoma UHD55
Yes Projectors in this range
Optoma UHD55
The light source is replaceable, which allows for longer device lifespan and easier maintenance.
Indicates whether users can replace the light source.
When it comes to Light Source Replaceability, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 36 score measurement.
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Optoma UHD55 Light Source Type
What is the light source type?
38 Optoma UHD55 0 Votes Lamp
51 Projectors in this range LED
Defines the illumination technology powering the projector.
When it comes to Light Source Type, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 13 score measurement.
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Optoma UHD55 Light Source Power Output
What is the light source power output?
240 Watt 0Votes
223.34 Watt (Average)
Indicates the wattage of the light source, affecting brightness potential.
When it comes to Light Source Power Output, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 16.7 Watt measurement.
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Optoma UHD55 Light Source Lifetime Eco Mode
What is the light source lifetime in eco mode?
15,000 hour 0Votes
21,404.17 hour (Average)
Estimated lifespan of the light source in eco mode.
When it comes to Light Source Lifetime Eco Mode, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 6,404.2 hour measurement.
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Optoma UHD55 Light Source Lifetime Normal Mode
What is the light source lifetime in normal mode?
4,000 hour 0Votes
16,000.17 hour (Average)
Estimated lifespan in standard usage mode.
When it comes to Light Source Lifetime Normal Mode, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 12,000.2 hour measurement.
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Optoma UHD55 Warm-Up Time
What is the warm-up time?
30 second 0Votes
15.35 second (Average)
Time required for the projector to reach full brightness.
When it comes to Warm-Up Time, Optoma UHD55 ◉ is worse than Projector in this range ◉ , delivering equal 14.7 second measurement.
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Optoma UHD55 Light Uniformity Rating
What is the light uniformity rating of this projector?
73 Optoma UHD55 0 Votes High
53 Projectors in this range High
Indicates how evenly brightness is distributed across the screen.
When it comes to Light Uniformity Rating, Optoma UHD55 ◉ is better than Projector in this range ◉ , delivering higher 20 score measurement.
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Optoma UHD55 Color Temperature
What is the color temperature setting of this projector?