ProjectorsCOMMUNITY

ViewSonic PX749-4K

ViewSonic

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Specifications · per-field provenance

● SOURCE-TRACKED

Where we have it, each spec shows where the data came from.

TechnologyDLP 1chipRetailer

Native Resolution4K UHDRetailer

Brightness Lumens4000Retailer

Contrast Ratio Dynamic12,000:1 (full on/off)Retailer

HDR SupportHDR, HLGRetailer

Light Source Typelamp UHPRetailer

Throw Ratio Min1.13Retailer

Throw Ratio Max1.47Retailer

Throw TypestandardRetailer

Image Size Min Inches30.07Retailer

Image Size Max Inches300.34Retailer

Optical Zoom Range1.3x manual zoomRetailer

Native Aspect Ratio16:9Retailer

Keystone VerticalYesRetailer

HDMI Inputs2Retailer

HDMI Version2.0Retailer

HDMI Max Bandwidth Gbps18Estimated

Rs232 PortYesRetailer

Trigger 12vYesRetailer

Width Inches12.3Retailer

Height Inches4.3Retailer

Depth Inches8.7Retailer

Weight Lbs6.6Retailer

Noise DB Normal33Retailer

Power Consumption W310Retailer

How we verify these specs →Spotted a wrong spec? Report a correction →

Common questions

ANSWERED FROM THE DATA

Does the ViewSonic PX749-4K need a special screen?

No UST-specific constraint — the ViewSonic PX749-4K is a conventional-throw design per its stated throw type, so standard screen materials work. In a room with ambient light, an ALR screen preserves contrast; the builder checks the projector-screen pairing either way.

How bright is the ViewSonic PX749-4K?

4,000 lumens, as claimed by the manufacturer. Brightness figures are measured in flattering picture modes, so expect less in an accurate cinema mode — they're still the right way to rank projectors against each other, just not the number you'll see on the wall.

Computed from this product’s normalized, source-tracked fields — an unstated spec reads as “can’t check”, never as a yes or a no.

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