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<blockquote data-quote="Horoscope Fish" data-source="post: 369198" data-attributes="member: 13090">Because, as I said, the meter is trying to expose to the same standard of 18% grey...&nbsp; ALL the time. How you meter the scene -- using Spot, Center Weighted or Matrix -- doesn't matter because the meter does one thing and one thing only: it attempts to expose the scene at 18% gray; and that's regardless of &quot;how&quot; you meter that particular scene. It's just that most things look properly exposed at 18%. Generally. So you can insure that your subject is pretty much properly exposed by using &quot;Spot&quot; and keeping them at precisely 18%.What you meter on can change exposure, as Marcel points out, but the scene will *still* be exposed to the same 18% gray overall. If you meter something black it will &quot;over expose&quot; to bring the scene to (18%) gray. If you meter something white it will &quot;under expose&quot; to bring the scene (18%) gray overall. Edit: Nikonite @<a href="http://nikonites.com/member-12496-waynef.html" target="_blank">WayneF</a> has provided us with <a href="http://www.scantips.com/lights/metering.html" target="_blank">this excellent tutorial</a> on the subject of how light meters work.....</blockquote>

[QUOTE="Horoscope Fish, post: 369198, member: 13090"] Because, as I said, the meter is trying to expose to the same standard of 18% grey... ALL the time. [I][B]How[/B][/I] you meter the scene -- using Spot, Center Weighted or Matrix -- doesn't matter because the meter does one thing and one thing only: it attempts to expose the scene at 18% gray; and that's regardless of "how" you meter that particular scene. It's just that most things look properly exposed at 18%. Generally. So you can insure that your subject is pretty much properly exposed by using "Spot" and keeping them at precisely 18%. [I][B]What[/B][/I] you meter on can change exposure, as Marcel points out, but the scene will *still* be exposed to the same 18% gray overall. If you meter something black it will "over expose" to bring the scene to (18%) gray. If you meter something white it will "under expose" to bring the scene (18%) gray overall. Edit: Nikonite @[URL="http://nikonites.com/member-12496-waynef.html"]WayneF[/URL] has provided us with [URL="http://www.scantips.com/lights/metering.html"]this excellent tutorial[/URL] on the subject of how light meters work. [COLOR=#ffffff]....[/COLOR] [/QUOTE]

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