DFocusing with Contrast-Detect Autofocus

Contrast-detect autofocus will take longer than normal (phase-detection) autofocus. In the following situations, the camera may be unable to focus using contrast-detect autofocus:

•The camera is not mounted on a tripod

•The subject contains lines parallel to the long edge of the frame

•The subject lacks contrast

•The subject in the focus point contains areas of sharply contrasting brightness, or the subject is lit by spot lighting or by a neon sign or other light source that changes in brightness

•A cross (star) filter or other special filter is used

•The subject appears smaller than the focus point

•The subject is dominated by regular geometric patterns (e.g., windows

k in a skyscraper)

•The subject is moving

Note that the focus point may sometimes be displayed in green when the camera is unable to focus.

Use an AF-S lens. The desired results may not be achieved with other lenses or teleconverters.

ARemote Cords

If the shutter-release button on a remote cord (available separately; see pg. 369) is pressed halfway for over a second in tripod mode, it will activate contrast-detect autofocus. If the remote cord shutter-release button is pressed all the way down without focusing, focus will not be adjusted before the picture is taken.

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Nikon D300BODY, D300OUTFIT, 920162 user manual Focusing with Contrast-Detect Autofocus, Remote Cords
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D300BODY, 920162, D300OUTFIT specifications

The Nikon D300 is a professional-grade DSLR that holds a vital place in the hearts of photographers who demand high performance and flexibility. Launched as part of Nikon's D-series, the D300 reflects advanced technology and superior craftsmanship. It is a robust camera that caters to both seasoned professionals and enthusiastic amateurs, making it a versatile choice for a wide range of photography situations.

One of the standout features of the Nikon D300 is its 12.3-megapixel DX-format CMOS sensor, which delivers exceptional image quality and clarity. This sensor, paired with the EXPEED image processing system, ensures outstanding color reproduction, dynamic range, and low-light performance. Photographers can trust the D300 to capture stunning, high-resolution images, whether in bright daylight or challenging low-light conditions.

The D300 also showcases an impressive ISO range of 200 to 3200, expandable up to 6400, allowing for flexibility in various lighting environments. The camera's fast and accurate 51-point autofocus system ensures precise focusing on subjects, making it ideal for action and wildlife photography. Additionally, the Multi-CAM 3500 autofocus sensor provides excellent tracking capabilities, ensuring that moving subjects remain sharp in the frame.

The Nikon D300 boasts a robust and durable build, featuring a magnesium alloy body that is both weather-sealed and dust-resistant. This durability is essential for photographers who often work in demanding outdoor conditions, providing peace of mind against the elements.

For enhanced creative control, the D300 offers a range of shooting modes, including manual control, program, aperture priority, and shutter priority. It also features high-speed continuous shooting at up to 6 frames per second, making it easier to capture fast-moving subjects with precision.

Additionally, the D300 is equipped with a 3-inch LCD display that provides a clear view of images and settings, along with customizable options for reviewing photos. The camera's Live View function allows for easier composing in challenging angles, and it supports a variety of lenses through its F-mount.

In summary, the Nikon D300 stands out with its advanced technology, rugged build, and professional features. Whether capturing landscapes, portraits, or high-speed action, photographers can rely on the D300 to deliver stunning results. Its blend of performance and durability makes it a timeless choice in the world of digital photography.
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