Nikon 1799 Lens aperture, Autofocus, Lens servo, Focus lock, Metering range, Auto Exposure

Specifications—continued

Lens aperture	Instant-return type, with depth-of-field preview button
Autofocus	TTL phase detection, Nikon Multi-CAM2000 autofocus
	module
	• Detection range: EV –1 to EV 19 (ISO 100, at normal
	temperature)
Lens servo	• Single Servo AF (S), Continuous Servo AF (C), Manual
	focus (M)
	• Focus Tracking automatically activated in Single Servo AF (S)
	or Continuous Servo AF (C)
Focus area	One or group out of 11 focus areas can be selected
AF Area mode	• Single Area AF
	• Dynamic AF
	• Group Dynamic AF
	• Dynamic AF Mode with Closest-Subject Priority
Focus lock	Focus is locked by pressing AE/AF-L button or lightly pressing
	shutter release button in Single Servo AF
Metering system	TTL full-aperture exposure metering system
	• 3D Color Matrix Metering: With G- or D-type lens (except
	for DX- or IX-Nikkor)
	• Color Matrix Metering: With AF Nikkor lens other than G- or
	D-type (except AF Nikkor for F3AF), AI-P lens, non-CPU lens
	with lens data specified
	• Center-Weighted Metering: Approx. 75% of the meter’s
	sensitivity concentrated on the 12mm dia. circle
	• Spot Metering: 4mm dia. circle (approx. 1.5% of entire
	frame); shifts according to focus area selected
Metering range	3D Color Matrix Metering:	EV 0-20
	Center-Weighted Metering: EV 0-20
	Spot Metering:	EV 2-20
	(at normal temperature, ISO 100, 50mm f/1.4 lens)
Exposure meter coupling	CPU and AI combined, meter coupling lever can be modified
Exposure compensation	Exposure compensated in ±5 EV range, in 1/3, 1/2 or 1 steps
Auto Exposure Lock	Detected exposure value locked by pressing AE/AF-L button
Auto Exposure	Number of shots: 2-7; compensation steps: 1/3, 1/2, 2/3 or 1
Bracketing	EV steps
Film speed setting	• DX or manual selectable (manual setting has priority over
	DX detected film speed)
	• Film speed range:
	DX: ISO25-5000, Manual: ISO 6-6400 in 1/3 steps
Shutter	Electronically controlled vertical-travel focal-plane shutter (with
	built-in shutter monitor)
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