Maximum resolving power related to a Display size

With a viewing distance of 6 H (6 x height of picture) for SDTV and 4H for HDTV, and a typical best resolving power of the eye for a complex pattern of pixels of 30 sec. of arc, the minimum discernible object separation is :

diagonal dim.

height

object separation

12”

18”

22”

27”

32”

42” (16:9)

10ft (16:9)

20ft (16:9)

183 mm

274 mm

335 mm

412 mm

488 mm

640 mm

1830 mm

3658 mm

0.16 mm

0.24 mm

0.29 mm

0.36 mm

0.43 mm

0.38 mm

1.1 mm

2.1 mm

Distance

1.1 m

1.6 m

2 m

2.5 m

2.9 m

2.6 m

7.3 m

14.6 m

pixel separation

on a television

display is currently

0.21 mm for

a “Professional”

Monitor

to 0.35 mm for

a “consumer”

display.

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Maximum resolving power related to a Display size

With a viewing distance of 6 H (6 x height of picture) for SDTV and 4H for HDTV, and a typical best resolving power of the eye for a complex pattern of pixels of 30 sec. of arc, the minimum discernible object separation is :