ProjectorDB

Optoma LH352BST vs ViewSonic PX701-4K

Optoma LH352BSTOptoma LH352BST
ViewSonic PX701-4K
ViewSonic PX701-4K
MSRP $979.99
Key differences
White light output3,300 lm ISO3,200 lm ANSI
Throw ratio0.69–0.83:11.5–1.65:1
Lowest input lag8.4 msDerived4.2 msDerived
HDR formats—HDR10, HLG
Light sourceLEDLamp
Fan noiseNormal 31 dB(A) · Eco 29 dB(A)Normal 32 dB(A) · Eco 28 dB(A)
Price—MSRP $979.99
Room fit
Distance to screen1.5–1.8 m3.3–3.7 m
Brightness
Rated brightness3,300 lmDerived3,200 lmDerived
White light output3,300 lm ISO3,200 lm ANSI
Brightness uniformity85%—
Display system
Imaging technologyDLPDLP
Chip / panel diagonal—0.47 in
On-screen resolution1080p (1920 × 1080)Derived4K UHD (3840 × 2160)Derived
Native resolution1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect16:9Derived16:9Derived
Pixel shift—XPR 4-way
Addressable resolution—4K UHD (3840 × 2160)
Colour wheel segments—8
Contrast
Dynamic contrast2,000,000:112,000:1
Dynamic contrast method—Light-source dimming
Colour
Colour bit depth (per channel)—10 bit
HDR
HDR formats—HDR10, HLG
Tone mapping—Adjustable
Calibration
Picture mode memories—2
3D
3DYes—
Light source
Light sourceLEDLamp
Lamp power—203 W
Replacement lamp—RLC-126
Light-source life30,000 h eco6,000 h normal · 20,000 h super eco
Optics
Throw ratio0.69–0.83:11.5–1.65:1
Image size30–300 in30–300 in
Projection offset103%120%
ZoomOpticalOptical
Zoom ratio1.2×Derived1.1×Derived
Focal length10.2–12.24 mm15.84–17.45 mm
Aperture (f-number)2.6–2.782–2.05
Focus—Manual
Autofocus—No
Vertical lens shift—None
Horizontal lens shift—None
Vertical keystone30°40°
Horizontal keystone30°40°
Auto keystone—Yes
Grid warp—Yes
Motion & gaming
Frame interpolation (MEMC)—No
Max input refresh1080p: 120 Hz · 4K UHD: 60 Hz1080p: 240 Hz · 4K UHD: 60 Hz
Max refresh at 1080p120 HzDerived240 HzDerived
Max refresh at 4K60 HzDerived60 HzDerived
Input lag1080p: 60 Hz 16.7 ms · 120 Hz 8.4 ms · 4K UHD: 60 Hz 33.7 ms1080p: 240 Hz 4.2 ms
Lowest input lag8.4 msDerived4.2 msDerived
Input lag at 4K 60 Hz33.7 msDerived—
Inputs & control
HDMI inputs2 × HDMI 2.02 × HDMI 2.0 (HDCP 2.2)
HDMI inputs (count)2Derived2Derived
Newest HDMI versionHDMI 2.0DerivedHDMI 2.0Derived
Other video inputs—None
Max input resolution—4K UHD
Control portsRS-232RS-232
Horizontal scan15–135 kHz15–135 kHz
Vertical scan24–120 Hz23–240 Hz
Smart platform
Wi-Fi—None
Ethernet—No
Smart platform—None
Netflix—No
Audio
Speaker power10 W10 W
Speakers11
Layout—Mono
Audio outputs3.5 mm3.5 mm
HDMI audio returnNoneDerivedNoneDerived
Bluetooth speaker mode—No
Physical & installation
Dimensions (W × D × H)307 × 228 × 126 mm312 × 222 × 108 mm
Weight3,175 g2,800 g
OrientationsTable, Ceiling, Rear, + 360°Table, Ceiling, Rear
Ceiling mount—M4, screws ≤ 8 mm
Environment & power
Operating temperature0–40°C0–40°C
Operating humidity—0–90%RH
Altitude3,048 m3,000 m · high-altitude mode
Power drawMax 226 W · Eco 124 W265 W
StandbyUp to 0.5 WUp to 0.5 W
Mains input100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Noise
Fan noiseNormal 31 dB(A) · Eco 29 dB(A)Normal 32 dB(A) · Eco 28 dB(A)
Safety & compliance
Risk group—RG2
Marks—CE, FCC
Support & ownership
Warranty1 yr (light source 5 yr or 12,000 h)3 yr (light source 1 yr)
User manualhttps://region-resource.optoma.com/products/documents/zxu5ywIf5l6KP4tqTxtOSlYPnDy1LAh9a2E2o2E4.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/Projector/PX701-4K_PX728-4K_PX748-4K/PX701-4K_PX728-4K_PX748-4K_UG_ENG.pdf
In the box
In the boxPower cord, Remote, + Remote batteries, Quick start guidePower cord, Remote, Quick start guide
Remote—IR