Nikon D40x User Manual

Page of 139
120 Technical Notes/Specifications
Exposure
Metering
Three-mode through-the-lens (TTL) exposure metering
 
system
Matrix
3D color matrix metering II (type G and D lenses); color matrix metering II (other CPU
lenses); metering performed by 420-pixel 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,
f/1.4 lens, 20°C/68°F)
0–20EV (3D color matrix or center-weighted metering)
2–20EV (spot metering)
Exposure meter coupling
CPU coupling
Digital Vari-Program/
exposure modes
Digital Vari-Program (
 auto, 
 auto/no flash, 
 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–+5EV in increments of 
1
/
3
 EV
Exposure lock
Exposure locked at detected value with AE-L/AF-L button
Shutter
Electronically controlled vertical-travel focal plane shutter
Speed
30–¼
,000
s in steps of 
1
/
3
 EV, bulb
White balance
Auto (TTL white balance with 420-pixel RGB sensor); six manual modes with fine tun-
ing and preset white balance
Built-in flash
, , , , 
: Auto flash with auto pop-up
• P, S, A, M: Manual pop-up with button release
Guide number (m/ft)
• Approximately 12/39 at ISO 100 and 20°C/68°F (manual 13/42)
Flash
Sync contact
X-contact only; flash synchronization at shutter speeds of up to 
1
/
200
 s
Flash control
TTL
TTL flash control by 420-pixel RGB sensor.  i-TTL balanced fill-flash for digital SLR and
standard i-TTL fill-flash for digital SLR available when CPU lens is used with built-in
flash, SB-400, SB-800, and SB-600
Auto aperture
Available with SB-800 and CPU lens
Non-TTL auto
Available with such Speedlights as SB-800, 80DX, 28DX, 28, 27, and 22s
Range-priority manual
Available with SB-800
Flash mode
, , , 
: Auto, auto with red-eye reduction; fill-flash and red-eye reduction
available with optional Speedlight
: Auto slow sync with red-eye reduction, auto slow sync; slow sync with red-eye
reduction and slow sync available with optional Speedlight
: Fill-flash and red-eye reduction available with optional Speedlight
• P, A: Fill flash, red-eye reduction, slow sync with red-eye reduction, slow sync, rear-cur-
tain with slow sync
• S, M: Fill flash, red-eye reduction, rear-curtain sync
Flash compensation
–3–+1EV in increments of 
1
/
3
 EV
Flash-ready indicator
Lights when built-in flash or SB-series Speedlight such as 400, 800, or 600 is fully
charged; blinks for about 3s after flash is fired at full output
Accessory shoe
Standard ISO hot-shoe contact with sync, signal, and ground contacts and safety lock
Nikon Creative Lighting
System
Supported with built-in flash, SB-400, SB-800, and SB-600; Advanced Wireless Lighting
supported with SB-800 or SU-800 as Commander.
Monitor
2.5in., 230,000-dot, low-temperature polysilicon TFT LCD with brightness adjustment
Video output
Can be selected from NTSC and PAL
External interface
Hi-Speed USB
Tripod socket
¼in. (ISO 1222)
Firmware upgrades
Firmware can be upgraded by user