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Old Dec 29, 2005, 2:28 PM   #1
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I need to calrifya doubt: How does D50 metering system works? It is like Canon 35 metering area, or even 16 honeycomb for *isDS ?

I should concider the auto focus area too ?

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Old Dec 29, 2005, 4:20 PM   #2
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Copypaste from the D50 press release:
Nikon's new 3D Colour Matrix Metering II ensures accurate exposure control in
most types of lighting situations by automatically comparing input from its frame-wide 420-pixel sensor
for each scene to a large onboard database of over 30,000 scenes from actual photography.
D50 metering system is downscaled version of that found in Nikon D2x.

For easy comparision:

Pentax *istDs
• 16-segment
• Center-Weighted Average
• Spot

Canon 350D
• Evaluative 35-zone
• Partial 9% at center
• Center-weighted average

Nikon D50
TTL full-aperture exposure metering system
• 3D color matrix metering II
• 420 segment RGB sensor
• Center-weighted: Weight of 75%(8mm circle) given to 6, 8, 10, or 13-mm circle in center of frame, or weighting based on average of entire frame
• Spot: Meters 3.5 mm circle (about 2.5% of frame) centered on active focus area

So nikon has the most sophisticated metering system.

But Pentax is clear winner in number of AF areas that can be selected (11 areas)
Canon comes second (7 areas) and Nikon is last of the bunch with (5 areas).
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Old Dec 29, 2005, 9:18 PM   #3
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Ok !This post are going to help a lot.

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