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		Programmable Buttons  
		
		Back to Nikon D300 Menu 
		Hierarchy
 by Makoto Honda     
		February 19, 2008
 
 Nikon D300 has 
		three buttons that are user-programmable. Each of 
		these buttons can be assigned to perform one of the following functions, for 
		Button-only & Button+Dial:
 
 CUSTOM SETTING MENU
 
 f  Controls
 
			
				| f4   Assign FUNC button | Default is Auto bracketing for Button+Dial (no setting for 
		Button-Only). |  
				| f5   Assign preview button | Default is Preview for Button-Only (no setting for Button+Dial). |  
				| f6   
		Assign AE-L/AF-L button | Default is AE-L/AF-L (lock both AE & AF). |  
		Button-Only - When pressed by itself: 
			
				| Preview | Depth of 
				field preview. |  
				| FV lock | Lock 
				flash intensity. |  
				| AE/AF lock | Lock 
				auto-exposure & auto-focus, while being pressed. |  
				| AE lock only | Lock 
				auto-exposure only, while being pressed. |  
				| AE lock (Reset on release) | Lock 
				auto-exposure when pressed, until shutter release, pressed again 
				or power off. |  
				| AE lock (Hold) | Lock 
				auto-exposure when pressed, and stay locked after shutter 
				releases, until pressed again or power off. |  
				| AF lock only | Lock 
				auto-focus only, while being pressed. |  
				| AF-ON | Activate 
				auto-focus (for f6 only). |  
				| Flash off | Suppress 
				flash if pressed when shutter is released. |  
				| Bracketing burst |  |  
				| Matrix metering | Activate 
				Matrix metering when pressed. |  
				| Center-weighted | Activate 
				Center-weighted metering when pressed. |  
				| Spot metering | Activate 
				Spot metering when pressed. |  
				| None | No 
				function assigned. |  
		
		Button+Dial - When pressed in combination with a command dial: 
			
				| 1 step 
		speed/aperture | Shutter 
				speed (for S or M exposure mode) or Aperture (for 
				A or M exposure mode) can be changed in 1 EV increment. |  
				| Choose non-CPU lens number | Choose a 
				pre-registered non-CPU lens number. Click here 
		for detail. |  
				| Auto bracketing | Main 
				command dial to set the number of shots; sub-command dial to set 
				bracketing increment. |  
				| Dynamic AF area | Main or 
				sub-command dial to select 9 points, 21 points, 51 points or 51 
				points [3D-tracking]. Dynamic area AF & continuous AF mode only. |  
				| None | No 
				function assigned. |  
		  
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