SPATIAL & ANGULAR RESOLUTION
Model a display. See how it's perceived.
Dial in screen size, resolution, and viewing distance — pixel density, angular resolution and the 4K enhanced viewing window update in real time.
Inputs
ft
in
in
16:9
×
Presets
Note: viewing angle, and viewing angle alone, determines image size on the human retina
*PVT = Pixel Visibility Threshold
SPATIAL DENSITY
—
PPI
pixels per inch
ANGULAR
—
ppd
pixels per degree
HORIZ. AoV
—
°
horizontal field
RETINA
PIXELS INVISIBLE
threshold · ~60 ppd
Viewing Distance Analysis
You are —
PIXELS VISIBLE
4K ENHANCED
≈ 1080p
CURRENT
—
PIXEL VISIBILITY
—
4K ENHANCED WINDOW
—
MAX HAoV @ PVT*
—
Geometry · Top-Down
— × — · — ft
HAoV INDUSTRY REFERENCE
SMPTE NTSC recommendation10°
THX theatrical minimum28°
SMPTE HDTV recommendation30°
THX "home optimal"40°
Cinerama Dome "best seats"68°
Human HAoV (avg. max)140°