2009年9月22日

7 Tips for Better “First Dance” Weddi...

7 Tips for Better “First Dance” Wedding Shots

Today Ronan Palliser shares tips on how to capture the ‘first dance at a wedding.

firstdance.jpg

You are most likely invited to weddings every now and then, and I’m betting that most people bring a camera with them.  Chances are, if you looked back at your photos and compared them with those that other guests took on the day, there will be many shots that are the same.  The most photographed moment of the day is often the bride and groom’s first dance, and with a little bit of know how, and if you’re lucky enough to have it, some extra lighting tools, it is possible to get a shot of the first dance that will stand out from the crowd and identify you as a capable photographer.

Tip 1: Change your shooting angle

lowangle.jpg

Most people, most of the time, take photographs from the same viewing point - i.e. they hold the camera up to their eye and press the shutter.  For a different view, deliberately take the camera low down and you’ll immediately have a shot that stands out.  Wedding receptions are often held in rooms with ornate ceilings, so this can be a good way of getting that detail in the background also.

Tip 2: Move to the other side of the dance floor

alternativeview.jpg

99% of photographs of the first dance that guests take are captured from the same side of the dance floor.  For a unique shot, move around to the other side and include the “paparazzi” in your shot.  The resultant image will be fun, capture the excitement of the guests, and more than likely the enjoyment of the bride and groom at all this attention.

Tip 3: Post process your images

spotcolour.jpg

Instead of just settling for the images straight from the camera, bring them into some photo-editing software to enhance them.  This can be as simple as increasing the contrast, or you can get artistic and apply some effects such as this spot-colour effect, done in Photoshop Elements, to make the bride and groom stand out.  Photographers might think this look is cheesy, but many brides and grooms love it.  Notice also that this image uses the tips above as well - don’t be afraid to combine different ideas in one shot.

Tip 4: Slow down your shutter speed

slowshutter.jpg

By slowing the shutter (and keeping your camera steady, on a table or chair for instance) you’ll get shots that show movement on the dance floor.  You may also get lucky, like I did above, and find that someone else’s flash goes off in the middle of your exposure to help freeze the bride and groom.  Or you can make your own luck by following tip 5….

Tip 5: Take your flash off the camera

offcameraflash.jpg

If you own a flash that can be taken off the camera and fired remotely, see what happens when you fire it from a different position to your camera position.  For the image above my wife was holding my Nikon SB-800 just out of the frame at camera left, and pointing it towards the bride and groom.  I triggered it using the wireless CLS system on my Nikon camera, but remote triggers from Ebay would do the trick as well.  The end result is another distinctive looking first dance shot.

Tip 6: Make use of the videographer

spotlighting.jpg

Often during first dances, there’ll be a videographer filming the event, and he’ll probably have a video light on top of his camera to illuminate the bride and groom.  If you underexpose your shot and wait for his light to brighten up the bride and groom you’ll get a pretty cool spot like effect.  Or you can achieve the same thing by using the off camera flash mentioned above and zoom it in as much as it will go.

Tip 7: Light the dance floor

crosslighting1.jpg

The shot at the top of this page was lit by two off camera flashes, one either side of the band, pointing across the dance floor in an X to light the entire floor.   The wider shot above shows a similar arrangement - you can see how the two flashes (mounted on the band’s speakers) light the whole floor.  Depending on where you position yourself relative to these lights and the bride and groom, you can get some great front light, back light, side light or combinations of all of these for a professional looking shot.

-2About the AuthorRonan Palliser is an Irish photography addict, living in Dublin. He maintains a daily photoblog at http://www.ronanpalliser.ie/blog and publishes a new photograph every day, with in-depth technical details about how the shot was taken.

Post from: Digital Photography School - Photography Tips.

7 Tips for Better “First Dance” Wedding Shots


Shooting with Available Light - Lifes...

Shooting with Available Light - Lifestyle Portraiture

In this post Véronique da Silva from www.dasilvafoto.com shares more tips on how to take portraits with available light.

One recurring question I often get asked is, “Do you use flash?”. My answer is “I prefer not to”. I was trained commercially, using some of the best flash equipment on the planet, and I know how to use them. But I choose not to, for the most part. Life offers us some of the most beautiful lighting and it is literally up to us to step up to the challenge of unpredictability, to seek it and to use it properly. As a natural light photographer, I do make use of reflectors and diffusers to play with the available light and tweak it to my liking.

dasilvafoto_bergin_1.jpg

I am a portrait photographer, and I have noticed that the average person does not feel comfortable in a studio setting with lights flashing at them. It becomes overwhelming and does take over and interfere with the image capture. My general rule is if I can photograph them outside or in their element with minimal additional lighting, I will do so. The result will inevitably be better.

Here are some tips for shooting with natural light!

When shooting outside in full daylight, many people feel tempted to either use flash or place their subjects in open shade. Yes, it is true, open shade makes for easy light, but the more interesting light, the shadows, the sparkle, lies in the sun! Push your comfort level by stepping out of the shade, and shoot tons! Photograph in full daylight, at all hours of the day. Shooting mid-day will be the most challenging, but be creative! Look for interesting shadows and shapes, and play with them. Stop and analyze a scene before shooting and look for interesting vantage points that enable the light to play its amazing tricks.

dasilvafoto_beveridge_1.jpg

When photographing people in daylight, my recommendation is to begin by shooting with the sunlight in back of your subjects. Most people will squint in full sun and/or blink frequently. By back lighting your subjects, you will allow them to be more comfortable and in return they most certainly will be more cooperative!

What happens with blown-out skies? The answer to that is “nothing”! There really is nothing wrong with exposing for the subject and letting the rest go where it goes. Perfectly lit images (with detail in the whites and shadows) have their place, but I find it can be restrictive and really unnecessary when photographing people (and trust me, I LOVE the perfect Ansel Adams print!).

dasilvafoto_callas_1.jpg

With the use of reflectors, you can minimize the contrast and reclaim some detail in the background. A silver reflector will add a nice clean sharpness to the image (I really love a silver reflector when shooting professional head-shots), but remember that it is a strong reflector and you do not want to blind your subject! I use a simple white reflector most of the time to slightly open up the shadows but keep the charm of back lighting. I also love playing with sun flares! They are completely unpredictable but can be so lovely! It goes without saying that to make the most out of the use of reflectors you will need extra hands – this is when a helper comes in very handy!

When using flash, I prefer using it as a secondary light, letting the ambient or surrounding light play the main role. When shooting interiors, I will bounce the flash off the ceiling or off my handy reflector, and create a softer light than shooting forward straight off the camera. It is also a much more flattering light. I typically under-expose the flash 1.5-3 stops and slow down the shutter to let the beautiful ambient light filter in.

As with everything, practice is a must! Play around, and don’t let intimidation or the unknown guide your decision – you’ll surprise yourself and definitely expand your skills! Most importantly, have fun!
dasilvafoto_woodwynn_1.jpg

photographing-children-5.jpg


2009年9月18日

Autumn (Fall) Photography - Capturing...

Autumn (Fall) Photography - Capturing Colours


Autumn (Fall) Photography - Capturing...

Autumn (Fall) Photography - Capturing Colours


2009年9月16日

闪光灯指数大小的区别

闪光灯指数大小的区别
作者:博览    来源:色影无忌    责任编辑:dplee    日期:2009年09月15日

编者按:听到这个题目很多人都觉得好笑,当然是指数大的闪光灯照度高、作用距离远啦,有什么值得大惊小怪的?没错!一开始我也是这样认为,可是经过深入的分析研究,这里面可是暗藏着不少的奥妙和玄机呢!
关键字闪光灯 指数 曝光 知识 技巧
 
 
 
一、闪光灯的发光和调光原理
        我们知道,闪光灯属于气体放电灯,其灯管内部的惰性气体(氙气或其他惰性气体)受高压电场的触发瞬间电离而发出极其强烈耀眼的白色可见光,这就是我们平常拍照所用的闪光。其最大发光强度由灯管功率(尺寸)所决定,最大持续时间由储能元件(电容)所储备的能量所限制。这种光源与其它可持续发光的连续光源最大的不同点就在于它是把很大的能量集中在很短的一瞬间(1/1000秒左右)以很高的照度值发射出来,所以它的工作区必须集中在很短的时间段,否则闪光发出的强光和高热无疑会造成器材的损坏。    

        根据这个发光原理可以知道,闪光灯只有发光和不发光两种状态,而没有发强光和发弱光这样的第三种状态可言。只要闪光发生,其发光强度就是灯管功率所决定的最大照度值了,这个照度值和发光持续时间的乘积就称做闪光指数。怎么样才能够让闪光输出的强度达到需要的度和量呢?因为曝光量是通过镜头光线照度值在感光器件(或胶片)上对时间的积分,那么当闪光指数、ISO、光圈、距离等参数相对固定之后,只有靠调整闪光输出的持续时间来控制合适的曝光量了。早期的简易闪光灯没有调光电路,每次闪光都是一次将储备的能量全部释放完毕,然后再重新充电储能,这样就只能靠调节ISO的高低、光圈的大小和距离的远近来达到调光的目的。    

        在不需要很大曝光量的场合也要释放掉全部能量,这显然即不经济又不方便,于是就诞生了自动控制闪光时间的自动闪光灯。自动灯采用晶闸管(可控硅)技术,靠晶闸管的闸流作用,通过测光的反馈环节在达到所需曝光量后及时将闪光管的能量供给切断,迫使闪光灯熄灭来达到合适的曝光。这样一来储备的能量不至于每次闪光都全部消耗,需要补充的能量也就减少很多,不仅提高了回电时间,还大大节约了电能。


二、闪光灯指数大小的区别
 
看了上面的介绍就应该明白这样一个规律:在ISO、光圈、距离等拍摄参数相对固定之后,一张照片所需要的曝光量也就基本确定了。如果使用不同指数的闪光灯作为主光源分别拍摄,则必定是高指数的灯发光持续时间短而低指数的灯发光持续时间长。只有这样才能够保证不同指数的灯拍得的照片曝光量相等。而恰恰是这一短一长就给不同指数的闪光灯带来了特性上的明显差别。 

1、为了获得同样的曝光量,假设低指数灯需要闪光持续1/1000秒,换做高指数灯很可能1/2000秒或1/3000秒就可以完成。这样不仅可以给凝固瞬间留下更大的余地,还因为发光时间短暂消耗的能量占储备份额的比例较低而补充迅速。所以高指数灯比较适合快速、连续的拍摄,如果电池得力甚至感觉不到回电时间的存在。

2、高指数灯因为发光短暂能量补充迅速,特别适合实现在一幅画面上拍出多个连续动作的频闪功能(效果见附图)。所以带有频闪功能的闪光灯多数都是大指数的。

3、高指数灯适合使用广角散射板将光线分散成大角度,与广角镜头搭配效果显著。因为闪光的单位面积照度是跟角度分布成反比的,分散的角度越广照度值自然也就越低。在拍摄会场等大场面又必须使用闪光灯的时候,闪光分布的角度必须要跟镜头视角一致才不会出现盲区。而低指数灯虽然在普通视角可以应付,广角场面把有限的光通量一分散就明显差劲了,所以低指数灯一般都不带广角散射板。



三、不同指数闪光灯的选择
 
 
      既然闪光灯高低不同指数的区别这么明显,那么我们应该如何正确选择呢?其实决策的依据很简单,就是根据用途、功能、成本等因素综合考虑,一个八字秘诀就是“共享共性、偏重特性”。例如组网进行多灯联闪,那么用来做主控的灯就必须功能全面,而被控的从属灯则指数够用就行。










2009年9月15日

下午6:49(2 小时前)

专业摄影师通用的12条摄影方法 (豆瓣 摄影小组)

摄影是一门技术,同样也是经验的积累。下面是无数摄影师的经验汇聚而成的12条最经典、实用的摄影技巧Tips,将其熟记于心,将帮助你应对很多难以掌控的拍摄场景。 

1、Sunny 16 Rule (阳光十六法则) 
“Sunny 16 Rule”是在没有测光表时,正确估算日光下曝光数值的方法,所以这条法则只有在阳光充足的情况下适合使用。将光圈设为F/16,快门与ISO同步,或者略快。如,ISO设为100时,快门应该设为1/100秒(1/125秒)。所以,根据这个法则,在海滩上摄影时,应该使用F/22光圈,在多云时应使用F/11光圈。 

2、Moony 11,8, and 5.6 Rules (月光11,8和5.6法则) 
如果你想拍摄月亮,那么这里有一条很好的法则。快门与ISO同步的时候,拍摄满月用F/11光圈,弦月的时候用F/8光圈,新月则使用F/5.6光圈。 

3、Camera Shake Rule (相机抖动法则) 
当你手持相机拍摄时,快门的速度不能小于镜头焦距的倒数。如果快门速度越慢,那么拍摄抖动时就越可能降低锐度。如果用50mm焦距的话,快门就要达到1/60秒以上为宜,只有当环境实在昏暗时,用闪光灯、脚架或者把相机放在硬物上防止抖动。 

4、Anatomical Gray Card (灰板法则) 
随身携带18%的中灰度板是拍摄的利器。可是如果身上没有灰度板怎么办呢?可以将手掌摊开面向阳光,对手掌进行测光,然后加一档曝光。 

5、Depth of Field Rules (景深法则) 
当被摄无题比较深的时候,应该对焦点选择在景深的前1/3处,因为这样,对焦点后的景深是之前的2倍。各种光圈和焦段组合都可以使用这个法则。记住,光圈越小,焦距越短,距离被摄物体越远,景深就越大。 

6、Largest Digital Print Rule (数码冲印尺寸法则) 
如果你想把你的作品打印成大尺寸的照片时,照片的尺寸不能大于数码图片的长宽像素各除以200。如果你对作品要求很高,那么至少得除以250。 

7、Exposure Rules (曝光法则) 
在处理数码照片时,最普遍的法则是保证高光区曝光准确,低光区随他去。可是当处理负片,特别是彩色负片的时候,你最好增曝一档。 

8、Quick Flash-fill Rule (快速闪光输出法则) 
当你的相机不能自动输出控制的闪光灯时,将闪光灯的感光度设为胶卷的二被。如果对主体测光,机身选择光圈整档,闪光灯设为同样的光圈。这样,照片的阴影区会比主体的亮度低一档。 

9、Flash Range Rule (闪光距离法则) 
这个法则很简单:距离乘以2,感光度乘以4。例如,你的闪光灯在ISO 100时,有效距离为20英尺。如果你想使闪光灯的距离达到40英尺时,则需要ISO 400。 

10、Megapixel Multiplier Rule (像素翻倍法则) 
如果你想使数码相机的分辨率增倍,那么很简单,就是要像素翻两番。 

11、Action-stopping Rule (捕捉动态法则) 
这条法则是根据角度与速度的经验公式而来的。如果物体沿着镜头的轴线运动你能够用1/125的快门捕捉下,那么它追至于镜头轴线的运动能用1/500捕捉下来。也就是说,如果物体沿镜头轴线称45度运动,只需要1/250的快门速度。 

12、Sunset Rule (日落法则) 
拍摄落日时,要对落日上部测光,但是不能让太阳出现在你的取景器中。如果想让日落看上去比实际晚一小时,可以在曝光补偿中减1。

下午6:49(2 小时前)

专业摄影师通用的12条摄影方法 (豆瓣 摄影小组)

摄影是一门技术,同样也是经验的积累。下面是无数摄影师的经验汇聚而成的12条最经典、实用的摄影技巧Tips,将其熟记于心,将帮助你应对很多难以掌控的拍摄场景。 

1、Sunny 16 Rule (阳光十六法则) 
“Sunny 16 Rule”是在没有测光表时,正确估算日光下曝光数值的方法,所以这条法则只有在阳光充足的情况下适合使用。将光圈设为F/16,快门与ISO同步,或者略快。如,ISO设为100时,快门应该设为1/100秒(1/125秒)。所以,根据这个法则,在海滩上摄影时,应该使用F/22光圈,在多云时应使用F/11光圈。 

2、Moony 11,8, and 5.6 Rules (月光11,8和5.6法则) 
如果你想拍摄月亮,那么这里有一条很好的法则。快门与ISO同步的时候,拍摄满月用F/11光圈,弦月的时候用F/8光圈,新月则使用F/5.6光圈。 

3、Camera Shake Rule (相机抖动法则) 
当你手持相机拍摄时,快门的速度不能小于镜头焦距的倒数。如果快门速度越慢,那么拍摄抖动时就越可能降低锐度。如果用50mm焦距的话,快门就要达到1/60秒以上为宜,只有当环境实在昏暗时,用闪光灯、脚架或者把相机放在硬物上防止抖动。 

4、Anatomical Gray Card (灰板法则) 
随身携带18%的中灰度板是拍摄的利器。可是如果身上没有灰度板怎么办呢?可以将手掌摊开面向阳光,对手掌进行测光,然后加一档曝光。 

5、Depth of Field Rules (景深法则) 
当被摄无题比较深的时候,应该对焦点选择在景深的前1/3处,因为这样,对焦点后的景深是之前的2倍。各种光圈和焦段组合都可以使用这个法则。记住,光圈越小,焦距越短,距离被摄物体越远,景深就越大。 

6、Largest Digital Print Rule (数码冲印尺寸法则) 
如果你想把你的作品打印成大尺寸的照片时,照片的尺寸不能大于数码图片的长宽像素各除以200。如果你对作品要求很高,那么至少得除以250。 

7、Exposure Rules (曝光法则) 
在处理数码照片时,最普遍的法则是保证高光区曝光准确,低光区随他去。可是当处理负片,特别是彩色负片的时候,你最好增曝一档。 

8、Quick Flash-fill Rule (快速闪光输出法则) 
当你的相机不能自动输出控制的闪光灯时,将闪光灯的感光度设为胶卷的二被。如果对主体测光,机身选择光圈整档,闪光灯设为同样的光圈。这样,照片的阴影区会比主体的亮度低一档。 

9、Flash Range Rule (闪光距离法则) 
这个法则很简单:距离乘以2,感光度乘以4。例如,你的闪光灯在ISO 100时,有效距离为20英尺。如果你想使闪光灯的距离达到40英尺时,则需要ISO 400。 

10、Megapixel Multiplier Rule (像素翻倍法则) 
如果你想使数码相机的分辨率增倍,那么很简单,就是要像素翻两番。 

11、Action-stopping Rule (捕捉动态法则) 
这条法则是根据角度与速度的经验公式而来的。如果物体沿着镜头的轴线运动你能够用1/125的快门捕捉下,那么它追至于镜头轴线的运动能用1/500捕捉下来。也就是说,如果物体沿镜头轴线称45度运动,只需要1/250的快门速度。 

12、Sunset Rule (日落法则) 
拍摄落日时,要对落日上部测光,但是不能让太阳出现在你的取景器中。如果想让日落看上去比实际晚一小时,可以在曝光补偿中减1。