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Lab talk, the good, the bad, and the ugly
Misc
A Bit About Dental Photography
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<blockquote data-quote="Greg Lutke" data-source="post: 184350" data-attributes="member: 14256"><p>Interesting thread. Color accuracy is a big deal in dental photography and is largely misunderstood.</p><p>I have taught digital photography and Adobe Photoshop courses in dentistry for 16 years. Loved every course.</p><p>I will humbly add my experience here and hope it helps.</p><p></p><p>For color accurate dental photography, you do need a '<strong>custom white balance</strong>'. This is captured inside the DSLR camera for jpeg files using a White Balance Card (WhiBal, XRite, or similar) - not a 18% gray card, which is for exposure management. 18% gray cards are not spectrally neutral - which is absolutely necessary.</p><p>Once a custom white balance is set in the camera - it will be applied to all future jpeg captures. The result is color accurate photography from this point forward.</p><p>The White Balance Card is Neutral - and is used to neutralize the lighting source. That source is almost always a flash in dentistry. Flashes are never neutral, but a custom White Balance makes the camera think so and the jpegs are then color accurate.</p><p>Raw files do use this Custom White Balance (captured in the camera) as a 'suggestion' in Adobe Photoshop Camera Raw or Adobe Lightroom. You do have a better option to use the Custom White Balance Tool in Photoshop Camera Raw/ Lightroom to get a more accurate result.</p><p>The result is perfectly accurate shade tabs, skin tones, and dental tissue. Capturing/Using a Custom White Balance is the best 5 minutes a dental photographer will invest.</p></blockquote><p></p>
[QUOTE="Greg Lutke, post: 184350, member: 14256"] Interesting thread. Color accuracy is a big deal in dental photography and is largely misunderstood. I have taught digital photography and Adobe Photoshop courses in dentistry for 16 years. Loved every course. I will humbly add my experience here and hope it helps. For color accurate dental photography, you do need a '[B]custom white balance[/B]'. This is captured inside the DSLR camera for jpeg files using a White Balance Card (WhiBal, XRite, or similar) - not a 18% gray card, which is for exposure management. 18% gray cards are not spectrally neutral - which is absolutely necessary. Once a custom white balance is set in the camera - it will be applied to all future jpeg captures. The result is color accurate photography from this point forward. The White Balance Card is Neutral - and is used to neutralize the lighting source. That source is almost always a flash in dentistry. Flashes are never neutral, but a custom White Balance makes the camera think so and the jpegs are then color accurate. Raw files do use this Custom White Balance (captured in the camera) as a 'suggestion' in Adobe Photoshop Camera Raw or Adobe Lightroom. You do have a better option to use the Custom White Balance Tool in Photoshop Camera Raw/ Lightroom to get a more accurate result. The result is perfectly accurate shade tabs, skin tones, and dental tissue. Capturing/Using a Custom White Balance is the best 5 minutes a dental photographer will invest. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
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A Bit About Dental Photography
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