count: 957

arithmetic mean: 0.98 arcMin or a Visual acuity of 1.02

global maximum at

resolution on a distance of 1m (by arithmetic mean): 89.37 ppi

Examples by arithmetic mean

device	specs	view distance	viewers ppi	perceptible resolution
iPhone 5	1136x640 @ 4"	25cm	357.49	1248*694px
paperprint	10 x 15cm	30cm	297.91	1171*1758px
iPad 3	2048x1536px @ 9,7"	40cm	223.43	1734*1300px
Nexus 10	2560x1600px @ 10,1"	40cm	223.43	1913*1195px
Monitor	1920x1200px @ 24"	60cm	148.96	3031*1895px
Poster	DIN A2 40x60cm	1m	89.37	1407*2111px
TV LCD	1920x1080px @ 42"	2,5m	35.75	1308*736px
Big TV LCD	1920x1080px @ 60"	3,5m	25.54	1335*751px
Projector 4K	3840x2160px @ 100"	4m	22.34	2146*1205px
Big Poster	5m x 5m	10m	8.94	1244*1244px