2009/10/11

Shutter Speed -- 快門的應用 (I)

光輝的十月,參加陳老師攝影進階專題班,重新充電,把以前學的觀念再複習一次,第一堂的課程在講快門技巧的掌握。

為了讓學員們能練習高速快門與慢速快門的應用,陳老師特地情商越野機車手來充當這次拍攝的主題。


超炫的越野機車,老師說機車上的車號數字越小,代表車手的技術也越好。


車手順便還帶來了小機車,讓學員們騎上去過過癮。


正式開拍前,陳老師騎上小機車,先讓學員們練習追蹤攝影,暖暖身。


在等待另一位車手到達前,我們請其中一位學員當模特兒,拍機車美女。










慢速快門主要來表現動與靜之間戲劇性的效果追蹤攝影也是利用慢速快門來表現。


拍攝高速行駛的摩托車,快門速度設定在 1/60 秒,鏡頭對著主題同步移動(Panning),即可拍出主題清楚,但周遭物體模糊的照片。


以 Nikon D300 為例,拍攝模式應以快門先決為主


自動對焦要設定為連續伺服動態區域對焦模式,測光則設為 3D 彩色矩陣測光


快門如果降至 1/30 秒,照片的速度表現效果更好,但是難度也更高。


再來是練習高速快門,技巧上比追蹤攝影簡單許多。


一般來講,高速快門是指 1/500 秒以上的速度,而且速度越高,凝結動作的效果越好。






拍攝賽車比賽,最好讓多輛機車同時入鏡,可以讓畫面更有戲劇效果。


拍攝機車跳躍畫面,要事先預想機車跳躍到最高點的位置,並想好構圖。


由下往上仰拍,讓主體看起來跳得更高。








接下來,老師請車手能高速駛過水池,讓水花濺起。


這次車手們又要花許多功夫和時間來洗車了。


這位車手在經過水池時,習慣將右腳抬起。












感謝今天熱情支援演出的兩位車手




其實平時都可以練習追蹤攝影,練習多了,手法熟練,成功機會自然就高。

2009/01/04

Lesson 71

運動比賽和活動

要拍好運動比賽和活動,首先要對此項活動有充分的瞭解,才能捕捉到精彩的畫面。例如拍攝賽跑或籃球比賽,為了取得靠近終點線或籃下的精彩畫面,你必須早一點到達現場卡位。

這個課程必須要拍攝兩種不同的活動比賽。而且,這個課程是在練習動作拍攝,重點在於參賽者而非觀眾的反應。適時的按下快門是抓住動作高潮的訣竅,先取得最佳位置,等待時機,並在運動員的動作達到顛峰時按下快門。

拍攝此類主題,鏡頭的選擇以中長焦段的望遠鏡頭為宜。


籃球比賽算是比較難拍的主題,主要原因有以下幾點:
一:籃球比賽大多在室內舉行,光線不足會影響所需的快門速度。需要性能較好的相機機身,提高 ISO 值,並且還能得到不錯的畫質。
二:籃球場場地小,但參賽球員多,捕捉畫面難度高。
三:籃球運動不像棒球或高爾夫球,球員動作沒有固定的位置與 pattern,追焦困難。唯一可知的地方在籃板位置附近。

Lens: 85mm F/1.8 D
Focal Length: 85mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/125 sec - F/1.8
Exposure Comp.: 0 EV
Sensitivity: ISO 400
Optimize Image: Landscape
White Balance: Auto
AF Mode: AF-S


Lens: 85mm F/1.8 D
Focal Length: 85mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/125 sec - F/1.8
Exposure Comp.: 0 EV
Sensitivity: ISO 400
Optimize Image: Landscape
White Balance: Auto
AF Mode: AF-S

將相機固定在腳架上,然後等待時機按下快門。

Lens: 85mm F/1.8 D
Focal Length: 85mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/125 sec - F/1.8
Exposure Comp.: 0 EV
Sensitivity: ISO 500
Optimize Image: Landscape
White Balance: Auto
AF Mode: Manual

Coming soon...

2008/11/08

Lesson 70

動感的創造

快門速度不只是決定曝光正確與否的因子,在攝影創造上也扮演著重要的角色,運用想像力,他可以引導觀眾看到肉眼看不到的動作與影像。

本課程利用外在的持續光,慢速快門來詮釋動感的表現,因為曝光時間較長,必須使用三腳架來拍攝。


Lens: 12-24mm F/4 G
Focal Length: 22mm
Exposure Mode: Manual
Metering Mode: Multi-Pattern
1/2.5 sec - F/11
Exposure Comp.: 0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Auto
AF Mode: Manual


Lens: 12-24mm F/4 G
Focal Length: 14mm
Exposure Mode: Manual
Metering Mode: Spot
119.10 sec - F/16
Exposure Comp.: 0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Auto
AF Mode: Manual


Lens: VR 18-200mm F/3.5-5.6 G
Focal Length: 31mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1.60 sec - F/11
Exposure Comp.: 0 EV
Sensitivity: ISO 400
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: Manual

2008/10/18

Lesson 69

運用閃光燈捕捉動作

利用高速快門結合閃光燈來拍攝動作中的物體,呈現的是一個不真實但令人讚嘆的畫面。當被攝物周圍的光線越明亮時,閃光的時間就越短,動作「凍結」的效果也越好。

如果被攝物是玻璃製品,拍照前要確定玻璃上面要一塵不染,沒有任何油脂或纖毛,否則它們會被明顯的呈現出來,破壞畫面。

因為Yuki 有長頭髮,請她做甩頭的動作,以便捕捉頭髮飄起來的瞬間。

Lens: 85mm F/1.8 D
Focal Length: 85mm
Exposure Mode: Manual
Metering Mode: Multi-Pattern
1/500 sec - F/3.2
Exposure Comp.: 0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Flash
AF Mode: AF-S
Flash Sync Mode: Front Curtain
Auto Flash Mode: Manual x 1/4(-2/3 EV)
Auto Flash Comp: 0 EV

由於器材本身的限制,快門最快只能到 1/500 秒,凝結動作不是很完美。

Lens: 85mm F/1.8 D
Focal Length: 85mm
Exposure Mode: Manual
Metering Mode: Multi-Pattern
1/500 sec - F/2.8
Exposure Comp.: 0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Flash
AF Mode: AF-S
Flash Sync Mode: Front Curtain
Auto Flash Mode: Manual x 1/8
Auto Flash Comp: 0 EV


Lens: 85mm F/1.8 D
Focal Length: 85mm
Exposure Mode: Manual
Metering Mode: Multi-Pattern
1/500 sec - F/2.8
Exposure Comp.: 0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Flash
AF Mode: AF-S
Flash Sync Mode: Front Curtain
Auto Flash Mode: Manual x 1/8
Auto Flash Comp: 0 EV

再來拍流水凝結的畫面。將水彩顏料到進水裡混合,變成了有顏色的水。然後布置拍攝場景,背景貼一張白紙,準備兩個閃光燈架在腳架上,放在被攝物的兩方約 45 度角的位置。然後我負責倒水,兩個小孩負責按遙控器快門。

忘了將水瓶上的水珠擦乾淨,拍出來的畫面有點不漂亮。

Lens: 85mm F/1.8 D
Focal Length: 85mm
Exposure Mode: Manual
Metering Mode: Multi-Pattern
1/500 sec - F/2
Exposure Comp.: 0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Auto
AF Mode: Manual
Flash Sync Mode: Front Curtain
Auto Flash Mode: Manual x 1/16(-2/3 EV)
Auto Flash Comp: 0 EV

要拍到好的畫面,需要不斷的調整與嘗試,才能成功。

Lens: 85mm F/1.8 D
Focal Length: 85mm
Exposure Mode: Manual
Metering Mode: Multi-Pattern
1/500 sec - F/2.8
Exposure Comp.: 0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Auto
AF Mode: Manual
Flash Sync Mode: Front Curtain
Auto Flash Mode: Manual x 1/8(-2/3 EV)
Auto Flash Comp: 0 EV

<< Lesson 68-------------------------------------Lesson 70 >>

2008/10/12

Lesson 68

捕捉動作的技巧

如何詮釋快速移動的被攝物是動作攝影的第一個訓練課程。妥善利用快門的速度、相機的位置並事先預測動作發生的路線動作攝影的基本要求。

認為快速的動作一定要用高速快門來拍攝是一種錯誤的想法。相較之下,慢速快門有時反而能夠得到更好的效果。

追蹤攝影是一種主體清楚背景模糊的攝影手法,是最能夠傳達真實動感的方式。

本課程至少要挑選兩種不同類型的運動來拍攝。一種以慢速快門來拍攝,另一種以高速快門來凝結瞬間的動作。

拍以動作為主題的照片,大多以「快門先決」的測光模式為主。

Lens: 70-300mm F/4-5.6 D
Focal Length: 70mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/50 sec - F/13
Exposure Comp.: +0.3 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S

拍追蹤攝影大多以慢速快門來表現,以鏡頭對著主體跟拍,結果就能拍出主體清楚,但背景模糊的照片。

Lens: 70-300mm F/4-5.6 D
Focal Length: 150mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/50 sec - F/14
Exposure Comp.: +0.7 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S

追蹤攝影需要靠許多的練習與失敗,才能從眾多照片中找到幾張成功的作品。

Lens: 70-300mm F/4-5.6 D
Focal Length: 110mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/50 sec - F/16
Exposure Comp.: +0.7 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S

如果被攝物的速度在十公里左右,快門速度大約控制在 1/50 ~ 1/60 秒之間,比較容易成功。

Lens: 70-300mm F/4-5.6 D
Focal Length: 150mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/50 sec - F/11
Exposure Comp.: +0.7 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S


Lens: 70-300mm F/4-5.6 D
Focal Length: 110mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/50 sec - F/8
Exposure Comp.: +0.3 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S


Lens: 70-300mm F/4-5.6 D
Focal Length: 110mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/50 sec - F/9
Exposure Comp.: +0.3 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S


Lens: VR 18-200mm F/3.5-5.6 G
Focal Length: 170mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/250 sec - F/8
Exposure Comp.: 0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Direct sunlight
AF Mode: AF-S

類似像賽車這種高速的比賽,快門大約需要 1/1000 秒以上的速度才能將動作凝結。

Lens: 70-300mm F/4-5.6 D
Focal Length: 300mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/800 sec - F/6.3
Exposure Comp.: +0.7 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Direct sunlight
AF Mode: AF-S


Lens: 70-300mm F/4-5.6 D
Focal Length: 150mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/800 sec - F/9
Exposure Comp.: +0.7 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Direct sunlight
AF Mode: AF-S


Lens: 70-300mm F/4-5.6 D
Focal Length: 300mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/800 sec - F/8
Exposure Comp.: +0.7 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Direct sunlight
AF Mode: AF-S


Lens: 70-300mm F/4-5.6 D
Focal Length: 220mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/1000 sec - F/9
Exposure Comp.: +0.3 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Direct sunlight
AF Mode: AF-S

如果要以慢速快門來表現高速行駛的車輛,則快門速度大約在 1/250 秒左右。

Lens: 70-300mm F/4-5.6 D
Focal Length: 100mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/160 sec - F/20
Exposure Comp.: +0.7 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Direct sunlight
AF Mode: AF-S


Lens: 70-300mm F/4-5.6 D
Focal Length: 170mm
Exposure Mode: Shutter Priority
Metering Mode: Center-Weighted
1/100 sec - F/10
Exposure Comp.: +0.7 EV
Sensitivity: ISO 400
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S

<< Lesson 67-------------------------------------Lesson 69 >>

2008/09/09

Lesson 67

運用特殊裝備

本課程在於練習運用特殊鏡頭來拍攝特別的視覺效果,例如用來拍微距的 Macro 鏡頭,用來拍攝距離非常遠的望遠鏡頭,或是拍攝超廣角的魚眼鏡頭等,都是可以練習的對象。

拍攝微距或望遠時,景深都會變得特別的淺,因此大多時候都必須將光圈開到很小,快門因此變得很慢,所以通常必需要利用腳架的幫忙。


Lens: 70-300mm F/4-5.6 D
Focal Length: 270mm (Macro mode)
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/10 sec - F/16
Exposure Comp.: +1.0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: Manual


Lens: 70-300mm F/4-5.6 D
Focal Length: 300mm (Macro mode)
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/8 sec - F/16
Exposure Comp.: +1.0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: Manual


Lens: 70-300mm F/4-5.6 D
Focal Length: 240mm (Macro mode)
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/13 sec - F/11
Exposure Comp.: +1.0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: Manual


Lens: 70-300mm F/4-5.6 D
Focal Length: 195mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/13 sec - F/11
Exposure Comp.: +1.0 EV
Sensitivity: ISO 200
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: Manual

拍動物還是到動物園比較方便

Lens: 70-300mm F/4-5.6 D
Focal Length: 195mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/250 sec - F/8
Exposure Comp.: +1.0 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S


Lens: 70-300mm F/4-5.6 D
Focal Length: 300mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/800 sec - F/8
Exposure Comp.: +1.0 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S


Lens: 70-300mm F/4-5.6 D
Focal Length: 300mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/500 sec - F/5.6
Exposure Comp.: +1.0 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: Manual


Lens: 70-300mm F/4-5.6 D
Focal Length: 270mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/200 sec - F/5.6
Exposure Comp.: +1.0 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: Manual


Lens: 70-300mm F/4-5.6 D
Focal Length: 270mm
Exposure Mode: Manual
Metering Mode: Center-Weighted
1/320 sec - F/5.6
Exposure Comp.: +1.0 EV
Sensitivity: ISO 800
Optimize Image: Landscape
White Balance: Cloudy
AF Mode: AF-S

<< Lesson 66-------------------------------------Lesson 68 >>