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<blockquote data-quote="Rexer John" data-source="post: 123853" data-attributes="member: 12691">Re: Need Openion, I have Nikon d3100, Help me to buy a Flash for it ?Your camera (every camera) expects to see an average 18% grey scene, don't worry about that number.If the scene is lighter, your camera will underexpose, it doesn't know what the scene looks like.One way to compensate is to tell your camera to &quot;overexpose&quot; the scene by dialing in a +EV as in the link in post #5 above, psage 81 of the user manual.Another way is to use spot metering which will take much less, if any notice of the background.If you use white or black background, your exposure (appereture, shutter, ISO) should be the same because you are exposing for your jewellery, not for the white or black background. You can tell the difference but your camera cant, that's why a black background tends to overexpose and a white background tends to underexpose your images.It might all sound a bit complicated but dont worry, you just need to dial in some EV compensation or use spot meter setting.</blockquote>

[QUOTE="Rexer John, post: 123853, member: 12691"] [b]Re: Need Openion, I have Nikon d3100, Help me to buy a Flash for it ?[/b] Your camera (every camera) expects to see an average 18% grey scene, don't worry about that number. If the scene is lighter, your camera will underexpose, it doesn't know what the scene looks like. One way to compensate is to tell your camera to "overexpose" the scene by dialing in a +EV as in the link in post #5 above, psage 81 of the user manual. Another way is to use spot metering which will take much less, if any notice of the background. If you use white or black background, your exposure (appereture, shutter, ISO) should be the same because you are exposing for your jewellery, not for the white or black background. You can tell the difference but your camera cant, that's why a black background tends to overexpose and a white background tends to underexpose your images. It might all sound a bit complicated but dont worry, you just need to dial in some EV compensation or use spot meter setting. [/QUOTE]

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