Manual Sigma EM-140 DG (page 79 of 89) (English, German, French, Italian)

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可調節閃燈左、右閃管的輸出比例或選用單管發射，以創造富立體慼的影像效果

A類別機種

1. 在ETTL模式下，當按下SEL 鈕，燈光輸出比例值即會閃動顯示

2. 按 + 或 – 鈕，設定輸出比例

 按下 + 鈕，將增加左面閃管輸出；按下 - 鈕，將增加右面閃管輸出，

光比例值可調節為8:1焍1:8，誘發是由剛選定的燈管發放 (將不會顯示

光比，發射部祗眨動提示﹛如圖﹜)

3. 按下SEL 鈕，使眨動提示停止

 若模式經轉換或閃光輸出比選定為1:1，此功能將失效和取消

B.類別機種

 不能設定比例輸出值，祗可選用左或右燈管閃光(如圖)

1. 處TTL模式按下SEL鈕，讓閃燈提示閃動

2. 以按下 + 右燈或

左燈鈕，選擇所欲發射的燈管 (經選定的燈管，

將在閃燈屏幕上眨動提示)

3. 按SEL鈕使眨動提示停止

 拍攝完成後，按下 + 右燈或

左燈鈕，讓⍴方的提示在屏幕上顯

示

在其他曝光模式下使用閃光燈（本節不適用於 EOS700,750,850）

快門先決設定

於相機上選擇快門先決自動曝光模式（Tv）後，快門速度可選擇之範圍由30秒至相機最高閃燈同步快門1/X秒。

當選擇快門後，相機會因應現場環境的光源自動選擇適當光圈配合。如鏡頭的兩端極限光圈亦不能應付現場

所需的話，光圈數值會於該端閃爍。如進行閃光燈拍攝時，光圈的數值會被定在該最大值（或最細值），主體

會曝光準確但背景會曝光過度或不足。

光圈先決設定

於相機上選擇光圈先決自動曝光模式（Av）後，當選擇光圈後，相機會因應現場環境的光源自動選擇適當快

門配合。如最高或最低速快門亦不能應付現場所需的話，快門數值會於極限值閃爍。如在此情況下進行閃光

燈拍攝時，光圈的數值會被定在閃燈同步值（或最細值），主體會曝光準確但背景會曝光過度或不足。於使用

閃光燈拍攝中，相機所能使用的最高快門速度會被限制在閃燈同步的速度。

手動曝光設定

光圈及快門在手動曝光模式下都能個別地被設定。如根據測光表所示進行曝光，因應當時環境可為日光同步

或慢快門同步。

閃燈連發限制

為免令閃燈電路過熱，如於短時間內連續讓閃光燈進行下列表格所述次數之閃光，請務必讓閃光燈休息至少

分鐘。

模式

閃光次數

TTL，手動（全輸出，半輸出）

連續15次

手動（1/4輸出，1/8輸出）

連續20次

手動（1/16輸出，1/32輸出）

連續40次

頻閃

循環10次

手動調控閃光操作

此功能可自行設定所需閃光值(閃燈輸出值)

 EOS 700，750，850等相機型號，不適用這些模式

 使用此模式，需對燈光攝影具備較高技巧認識，才可獲最佳效果，故建議選用閃燈自動模式；若需採用此

手動調控閃光模式，建議實拍前多作試拍或依據㳳光表所提供訊息，作拍攝時曝光選擇

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Sigma EM-140 DG Manual

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