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_S5A0865.CR2
_S5A0865
Photo EXIF Info
 | Canon EOS 5D Mark IV |
 | EF24-70mm f/4L IS USM |
 | Manual (M Mode) |
 | f/6.3 |
 | 1/40 Sec |
 | ISO 2000 |
 | Auto (AWB) |
| Camera Make | Canon |
| Camera Model | Canon EOS 5D Mark IV |
| Owner Name | Getsufuki Tomoya / Randy Li |
| Copyright | sumomo.mobi |
| Lens | EF24-70mm f/4L IS USM |
| Focal Length | 70 mm |
| Focal Length In 35mm | 70 mm |
| Macro Mode | Normal |
| Exposure Program | Manual (M Mode) |
| Exposure Value | 0 EV |
| Exposure Time | 1/40 Sec |
| Aperture Size | f/6.3 |
| ISO | 2000 |
| White Balance | Auto (AWB) |
| Picture Style | Auto |
| High ISO Noise Reduction | Standard |
| Flash | Off, Did not fire |
| Metering Mode | Evaluative Metering |
| Focus Mode | One-shot AF |
| AF-Area Mode | Single-point AF mode |
| AF-Points | 61 Autofocus points |
| Drive Mode | Single frame Shooting |
| Continuous Drive | Single-point AF |
| Peripheral Lighting Correction | On |
| Chromatic Aberration Correction | On |
| Record Type | CR2 |
| Quality | RAW |
| Canon Image Size | Not Applicable |
| Color Space | Adobe RGB |
| Photo Size | 6720x4480 Pixel |
| Shooting Time | July 07, 2019(Wednesday) 00:11:40 |
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進藤ヒカル: 嚴重曝光不足的問題，應該是測光錯誤的關係。
雖然ExpoDisc Professional非常好用，可以同時校正白平衡，內藏18%灰卡，可以得到正確曝光值。但是在某些光線複雜的場合，例如LED照明，混合室內、陽光，有時候還是會有測光偏差。這時候我會再回到「白紙測光」，先用ExpoDisc取得ISO 1600、ISO 2000的測光值，再拍看看餐桌上的白色餐紙，應該是接近+2.0EV，但又不會曝光過度。
如果曝光不足，就要再提高ISO或是降低快門。如果連白紙都會曝光過度（有時候會有反光或是部分陽光太強）就要降低ISO或是提高快門速度。
2020/01/091 replies1 replies 0 points
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