viernes, 25 de enero de 2008

Pixels per mm

From http://www.kenrockwell.com./tech/full-frame-advantage.htm
Here are the pixel pitches and Nyquist limiting resolutions of today's popular cameras:



Pixel pitch, pixels per mm
Limiting Nyquist Resolution, cycles per mm
Nikon D1, D1H
85
43
Nikon D3
118
59
Nikon D40
127
63
Nikon D200, D80
164
82
Nikon D300
182
91
     
Canon 5D
122
61
Canon 1D Mk III
138
69
Canon 20D, 30D, XTi,
1DS Mk III
156
78
Canon 40D
175
88
     
Typical 8MP 1/2.5" CCD compact (Casio EX-V8)
544
272
6MP Compact (Canon SD700)
469
235