原廠連結
http://www.sigma-dp1.com/software/firmware/
1.03更新的說明檔
http://www.sigma-dp1.com/software/firmware/Ver.1.03_E.pdf
主要更新
提供
1.ISO 50(選AUTO ISO不能用, 要自己到ISO設定選項裡面設定才能用)
2.LCD螢幕上可以有井字輔助線了(按相機背面 l口l 鍵 就會出現了)
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拍的不是很好, 看不出來差異, 請高手出來PO吧.....
不過ISO50的寬容度比較小, 想必反差的表現會比較差一些....
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iso50犧牲了dr，但會得到較好的iq。
但我個人不會為了一點暗部細節去犧牲dr，
反而會把iso50拿來當放慢快門的工具，
不知如果搭配cpl使用（省nd鏡），快門能不能慢到拍出涓涓流水圖。
看來sigma對於dp1還蠻用心的，
幾次韌體更新都有增加實用的東西，
希望未來能夠加入即時histogram或可自訂那無用的數位變焦鈕。
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Note for ISO50
This firmware upgrade provides users with the ability to capture images at low-noise levels. However,
ISO 50 has a narrow dynamic range unlike the DP1’s ISO 100 and above settings and
therefore may blow out highlight detail such as brightness or high saturation areas.
This means photographers need to work a bit more carefully.
To use the ISO 50 setting for the best results,
Sigma advises its photographers to pay attention to the following points.
Please meter accurately when using ISO 50.
The camera’s built-in metering system will produce excellent results under most conditions.
In high dynamic range settings, however, we advise using Spot metering and taking a reading of the brightest part of the image.
You can then adjust the EV by one or two stops to account for the brightness of that object.
We recommend using the Auto Bracketing function.
For shooting in critical landscape settings where ISO 50 provides exceptional detail with little noise,
we advise using manual (M) mode to shoot.
Meter carefully and then adjust the settings after taking a test shot and reviewing the histogram.
For regular shooting, Sigma recommends using Auto mode, Program (P), Aperture Priority (A),
or Shutter Speed Priority (S). Under normal circumstances,
the camera will produce exceptional results using matrix metering and the camera’s normal automatic functions.
If conditions require it, you may wish to adjust the EV setting to -0.3 for a little more protection of the highlights.
ISO50 can provide the exceptional result for taking the pictures of landscape etc with the fine details and the lower noise.
We hope all the photographers enjoy shooting the high quality images at ISO50.
Published: Thursday, June 12, 2008
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