Nikon D300 In-depth Review
Active D-Lighting
D-Lighting is a shadow & highlight enhancement feature first seen on Nikon's Coolpix range of compact cameras and later on the D200. On previous models it was an after-the-fact filter which you could apply to images in playback mode. With the D300 'Active' D-Lighting is a menu setting which is applied to all images if enabled. There are four levels available; Off, Low, Normal and High. Rather than only adjusting the shape of the tone curve (as most similar systems do) setting higher levels appears to apply a third of a stop negative exposure compensation (typically slightly higher shutter speed). Unlike the Sony DRO system Nikon's works best if you meter for shadows (apply some positive exposure compensation) and allow Active D-Lighting to maintain / recover highlight detail.
To demonstrate the difference Active D-Lighting can make we set up our simple 'shadow scene' and shot it at increasing exposure compensation levels with Active D-Lighting Off and also set to High. As you can see the High setting manages to maintain highlight detail with about +1.0 EV compensation, beyond that while it is better than Off even the High setting can't maintain full highlight detail.
| Active D-Lighting: Off |
Active D-Lighting: High |
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| 1/25 sec, F8 |
1/30 sec, F8 |
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| 1/13 sec, F8 (+1.0 EV) |
1/15 sec, F8 (+1.0 EV) |
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| 1/6 sec, F8 (+2.0 EV) |
1/8 sec, F8 (+2.0 EV) |
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| 0.3 sec, F8 (+3.0 EV) |
1/4 sec, F8 (+3.0 EV) |
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Mar 12, 2008
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Aug 23, 2007
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Mar 11, 2011
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Feb 24, 2011
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