ความคิดเห็นที่ 10
จากบทความของ David K.
There also a feature called Zone Matching, which makes the D7D uniquely appealing to wedding and portrait photographers. You access this by changing the function of the ISO button, in the camera menus, to choose either High Key or Low Key and work at a fixed ISO 250 or 100 setting with Natural sRGB JPEG save.
High gives extra data capacity to the highlights and bright tones, while brightening the image overall it simultaneously pulls white highlights such as a wedding dress into range, but ensures they dont go grey, and that full textural detail is recorded.
Low opens up shadows for predominantly dark, moody images without lightening the whole picture, keeping a rich black and normal highlights, while adding extra separation to darker tones in that critical range which is so difficult to print well.
Typical uses would be High for a bridal portrait, or Low for a moody studio shot of a Louis Armstrong lookalike.
What High and Low do in-camera (with the benefit of a histogram check on the LCD screen to show you the big difference they make) is replace time consuming raw conversion exposure and gamma adjustments, or Photoshop Levels tweaking. Using Zone Matching, you can take a card straight from the camera and print from it without needing a PC to make standard corrections.
แปลเอาเองนะคร๊าบบบบบ 
อ้อ! เสริมนิด Zone Matching เป็น in-camera process ดังนั้นไม่ work ถ้าถ่ายเป็น RAW file นะจ๊ะ 
จากคุณ :
Mr800Si 
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28 ธ.ค. 47 19:36:11
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