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A Photographers Guide to Digital Camera Focus Modes

Nov 8, 2007
Scanning a negative not only allows for the development of the image, but also enhanced digital clarity, even for the oldest negatives. Photo restoration can also repair sun damage and scratches. While there are many companies that offer these services, here are some things that you should look for when choosing a photo restoration and slide scanning service.

3000 dpi slide scanning services for 35mm slides, as well as 110,120,126,127, and 200 format slides use state of the art slide scanners and scanning equipment.

Industry standard automated dust and scratch removal, utilizing programs such as Kodak Digital ICE. The slide scanning services that you choose should include a manual color rotation, cropping, red eye removal, rotation, and additional dust and scratch removal as points of service.

Quality slide scanning image processing performed by qualified technicians who employ a trusted photo restoration program, such as Adobe Photoshop. Additional photo scanning services use preferably 600 dpi photo scanning services for both priceless, antique photos, as well as newspaper clippings, postcards, and other medium. An experienced photo scanning and slide scanning, photo restoration service should also be able to offer its customers black and white slide and black and white negative scanning. The option to view and choose prints online, preferably with the understanding that you will pay for only the prints that you select.

While some of the least expensive digital cameras have only automatic focus, meaning the camera does all the work on bringing your subject into the best possible focus, most SLR digitals offer three different focus modes manual, single auto focus and continuous auto focus. All three of these will be addressed here.
With manual focus, the camera stays out of the focus equation and you, the photographer, make all the decisions regarding this. This is done by setting different buttons or actually using an attached focusing ring that rotates on the camera lens.

For those who like to have complete creative control of the finished product, this is the best focus mode.
In single auto focus mode, the camera automatically focuses when you press the shutter button either all the way down to shoot a photo or half way down to lock the focus. This mode is useful when shooting static objects.

In continuous auto focus the camera continuously focuses on the objects in the photo. In this mode the camera continuously corrects the focus as the objects distance from the camera changes. This mode is useful when you shoot photos of moving objects such as a race car during a race or airplanes during an air show. You can hold the shutter button half way down and continuously move the camera to follow the object. The camera will continuously keep the object in focus.

Like any other feature automatic and manual focus modes have their pros and cons. The first step to using them to your advantage is to understand how they work and what they were designed for. The next step is to experiment shoot photos using different focus modes and different types of objects and see how the camera behaves. Once you have done that you will be ready to instinctively use the best focus mode for each photo situation.
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