Nikon D80 Nikon D90 Canon EOS 50D Canon EOS 40D 센서 10.2 MP CMOS 12.3 MP CMOS 15.1 MP CMOS 10.1 MP CMOS A/D conversion 12-bit 12-bit 14-bit 14-bit Focal-length multiplier 1.5x 1.5x 1.6x 1.6x Shutter speeds 30-1/4000s 30-1/4000s 30-1/8000s 30-1/8000s Flash Sync 1/200s 1/200s 1/250s 1/250s Continuous shooting rate 3 fps 4.5 fps 6.3fps 6.5fps Sensitivity range 200-1600 (plus 100, 3200) 200-3200 (plus 100, 6400) ISO 100-3200 (plus 6400, 12800) 100-1600 (plus 3200) Memory Type SD(HC) SD(HC) CF CF Viewfinder 95% coverage0.94x magnificationfixed focusing screen 96% coverage0.94x magnificationfixed focusing screen 95% coverage0.95x magnificationchangeable focusing screen 95% coverage0.95x magnificationchangeable focusing screen Autofocus 11 point AFSingle center cross-type 11 point AFSingle center cross-type 9 point AF (all cross) 9 point AF (all cross) Live View No Yes Yes Yes Movie Mode No Yes (5 minutes max, fixed exposure, no AF) No No Dust reduction system Dust reference image Vibrating sensorDust reference imageAnti-static coating Vibrating sensorDust reference imageAnti-static coating Vibrating sensorDust reference imageAnti-static coating LCD pixels 230,000 920,000 920,000 230,000 LCD size 2.5" 3" 3 " 3" Shutter durability less than 100,000 cycles? 100,000 cycles 100,000 cycles 100,000 cycles Availability Current ~ September 2008 ~ October 2008 Current 바디 가격 ~ $725 $999 $1399 ~ $970