Macro Photography - How To Use Aperture To get Better Photographs
The word aperture means small hole or gap. In terms of photography the aperture is an adjustable opening used to control how much light gets in to the camera. Light enters the camera through the lens which uses a calibrated scale to determine the maximum and minimum aperture. This scale is written in f/numbers which are sometimes called stops. Sometimes beginners struggle to understand aperture fully. This is because a small aperture is denoted by a big number (such as f32) and a large aperture is denoted by a small number (such as f1.4).
Aperture is very important in macro photography as it is used to control the depth of field. The depth of field is the area in the picture that is in sharp focus. There is always going to be a small depth of field in macro photography due to the high magnification involved and the short working distance between the camera and the subject. Using a large aperture makes the depth of field smaller but will allow a faster shutter speed to be used. This reduces the chance of the picture being ruined by camera shake. Using a small aperture means using a slower shutter speed and increases the risk of camera shake. A sturdy tripod and a remote switch make it easier to get consistently sharp shots. Outdoor macro photography is even more of a challenge as you have the weather to contend with as well.
The main problem to overcome with macro photography is lighting. At high magnification and short working distance not much light is available. TTL flash is the only reasonable work-around. In-built camera flash is not very helpful in macro photography because it is set too far away from the subject. Special flash systems can be acquired which attach to the end of the camera lens. The most popular ones are called ring flash and usually contain one or two controllable fluorescent tubes. There are many other flash systems that you can use for macro photography. Twin flash is another popular system that contains two small flash units that attach to the camera lens. Some photographers attach a standard flash unit to an adjustable bracket or arm. This directs light directly above the subject. Flash allows the photographer to work with faster shutter speeds and smaller apertures and reduces the risks of camera shake. At high magnification the slightest movement of camera or subject will blur the image and ruin the shot. Flash photography can have its own problems, often making the images look unnatural. Sometimes too much light will reflect from the subject causing over exposure. To overcome this flash units have to be adjusted to provide the correct amount of light. This can be achieved by adding a special cover called a diffuser which lowers the power of the flash making it less harsh. There are several disadvantages of adding a flash unit. The added weight can make the camera more cumbersome and more difficult to hold. More time is required to set up the flash for each shot. If you are serious about macro photography a flash unit and a tripod are required to get consistently sharp images with good exposure. A remote switch is a small device that operates the camera from distance. Most macro photographers use a remote a switch to reduce camera shake. Remote switches are either remote controlled or have a short cable to the camera.
I hope this has been a useful introductory tutorial about the use of aperture in macro photography. Most of all put your camera into aperture priority mode and have some fun with macro. In aperture priority mode the camera will select the best shutter speed to match the aperture you have entered manually. This gives the photographer control over the depth of field and therefore control over the resulting image. Confident and credible images are the outcome of knowing how to adjust the aperture. Once established you will soon be taking great macro shots like a professional photographer. Good luck and happy shooting.
Macro Photography - How To Use Aperture To get Better Photographs
Light Photography Tutorial
Macro Photography - How To Use Aperture To get Better Photographs
Macro Photography - How To Use Aperture To get Better Photographs
Macro Photography - How To Use Aperture To get Better Photographs
Light Photography Tutorial
Macro Photography - How To Use Aperture To get Better Photographs
Macro Photography - How To Use Aperture To get Better Photographs
Lighting Setup for Posh Sculptural Full Lenght Photos
Lighting Setup for Posh Sculptural Full Lenght Photos
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Lighting Setup for Posh Sculptural Full Lenght Photos
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Lighting Setup for Posh Sculptural Full Lenght Photos
Lighting Setup for Posh Sculptural Full Lenght Photos
Lighting Setup for Posh Sculptural Full Lenght Photos
Lighting Setup for Posh Sculptural Full Lenght Photos
Macro Photography - How To Use Aperture To get Better Photographs
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