Nikon D50 D50 User's Manual - Page 140

Autofocus Detection range AF-area mode Focus lock TTL phase detection by Nikon Multi-CAM900 autofocus module with AF-assist illuminator (range approximately 0.5-3.0 m/1´8˝-9´10˝) -1 - +19 EV (ISO 100 at 20 °C/68 °F) Single-area AF, dynamic-area AF, dynamic-area AF with closest subject priority Focus can be locked by pressing shutter-release button halfway (single-servo AF) or by pressing AE-L/AF-L button Exposure Metering Three-mode through-the-lens (TTL) exposure metering Matrix 3D color matrix metering II (type G and D lenses); color matrix metering II (other CPU lenses); metering performed by 420-segment RGB sensor Center-weighted Weight of 75% given to 8-mm circle in center of frame Spot Meters 3.5-mm circle (about 2.5% of frame) centered on active focus area Range (ISO 100 equivalent, 0 - 20 EV (3D color matrix or center-weighted metering) f/1.4 lens, 20 °C/68 °F) 2 - 20 EV (spot metering) Exposure meter coupling CPU coupling Exposure control Operating mode Digital Vari-Program ( auto, portrait, landscape, child, sports, close up, night portrait), programmed auto (P) with flexible program; shutter-priority auto (S); aperture priority auto (A); manual (M) Exposure compensation -5 - +5 EV in increments of 1/ 3 or ½ EV Bracketing Exposure and/or flash bracketing (up to ±2 EV over 3 ex- posures) Exposure lock Luminosity locked at detected value with AE-L/AF-L button Shutter Speed Combined mechanical and CCD electronic shutter 30 - 1/ 4000 s in steps of 1/ 3 or ½ EV, bulb, remote Sensitivity 200 - 1600 (ISO equivalent) in steps of 1 EV White balance Bracketing Auto (TTL white-balance with 420 pixels RGB sensor), six manual modes with preset white balance 3 exposures in increments of 1, 2, or 3 Technical Notes-Specifications 130