Optoma
Optoma CRTCPUHD35REFB UHD35 4K Projector (Renewed)
True 4K UHD projection with 3,600 lumens and 4.2ms input lag — the Optoma UHD35 bridges home cinema and serious gaming.
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Overview
Immerse Yourself in Stunning 4K Visuals with the Optoma UHD35 Projector (Renewed)
The Optoma UHD35 Projector (Renewed) delivers exceptional 4K UHD visuals for both gaming and home entertainment. With high brightness, a sharp contrast ratio, and low input lag, this projector provides an immersive and responsive viewing experience.
Specifications:
- Display Technology: DLP
- Resolution: UHD (3840x2160)
- Brightness: 3,600 lumens
- Contrast Ratio: 1,000,000:1
- Aspect Ratio: 16:9 Native, compatible with 4:3
- Keystone Correction: Horizontal +/-40deg, Vertical +/-40deg
- Horizontal Scan Rate: 31 ~ 135Khz
- Vertical Scan Rate: 24 ~ 120Hz
- Screen Size: 0.84m ~ 7.62m (33" ~ 300") diagonal
- Light Source: Lamp, 240W
- Lamp Life: 4000 (Bright), 15000 (Dynamic), 10000 (Eco) hours
- Throw Ratio: 1.5:1 ~ 1.66:1
- Zoom: 1.1x, Manual
- Focal Length: 15.84 mm~17.42mm
- Lens Shift: Vertical +0%
- Native Offset: 105%
- Connections: 2 x HDMI 2.0, 1 x VGA, 1 x Audio 3.5mm, 1 x S/PDIF, 1 x USB-A power 1.5A, 1 x RS232, 1 x 12V trigger
- Noise Level: 26dB (typical), 28dB (max)
- Speaker: 10W
- Input Lag: 4.20ms
- Power Supply: 100 ~ 240V, 50 ~ 60Hz
- Power Consumption: 220W (min), 305W (max), 0.5W (standby)
Pros & Cons
👍 Pros
- 4.2ms input lag is among the lowest available in 4K projectors, making it genuinely responsive for gaming
- 3,600 lumens of brightness maintains image quality in rooms that are not fully darkened
- 1,000,000:1 contrast ratio delivers deep blacks and strong detail separation in dark scenes
- Dual HDMI 2.0 ports allow simultaneous connections to a gaming console and streaming device without switching cables
- Lamp life up to 15,000 hours in Dynamic mode significantly extends time between replacements
👎 Cons
- Renewed unit may have accumulated hours on the lamp, reducing remaining lamp life from the stated maximums
- 1.1x manual zoom offers very limited throw distance flexibility, requiring precise projector placement
- No lens shift capability limits installation options compared to projectors with horizontal and vertical adjustment
- Fan noise reaches up to 28dB, which may be noticeable during quiet movie scenes in smaller rooms
- 305W maximum power consumption is substantial for extended daily viewing sessions
Frequently Asked Questions
Does the UHD35 display true 4K or is it pixel-shifted?
The UHD35 uses DLP technology with XPR pixel-shifting to display 3840x2160 resolution. It accepts and displays a full 4K UHD signal, producing 8.3 million distinct pixels on screen per frame.
What is the input lag and is it suitable for competitive gaming?
The UHD35 achieves input lag as low as 4.2ms, which is exceptionally fast for a 4K projector and competitive with many gaming monitors. This makes it viable for fast-paced and competitive gaming.
How bright is this projector and can it handle rooms with some ambient light?
At 3,600 lumens, the UHD35 is bright enough to produce a watchable image in rooms with moderate ambient light, though a darkened room will always deliver the best contrast and color depth from any projector.
What is the lamp life expectancy?
Lamp life varies by mode: approximately 4,000 hours in Bright mode, 10,000 hours in Eco mode, and up to 15,000 hours in Dynamic mode, giving you flexibility to balance brightness and lamp longevity.
What screen sizes can this projector produce?
The UHD35 can project images from 33 inches up to 300 inches diagonally, with a throw ratio of 1.5:1 to 1.66:1, making it suitable for a range of room sizes from small home theaters to larger living spaces.
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