Manual Control Options
In manual mode, the user can select the self-timer, image size and quality, white balance, exposure compensation, metering, focus zone, auto focus control, color mode, sharpness, aperture, shutter speed, ISO, and album. Settings can be changed with the jog dial, located on the front of the camera where the user’s right index finger is likely to fall. The jog dial can be turned to select the option and pressed inward to select the setting. For example, the user can scroll through the aperture, ISO, shutter speed, and other options by turning the jog dial. However, the user selects the ISO option by pressing the jog dial straight in. Then the user scrolls through ISO 80, 100, 200, and 400 with the jog dial. It sounds confusing, but after the user has done this once, it becomes a simple task.

Focus
Auto (7.0)
The Kodak EasyShare DX7590 has a multi-functional auto-focus external passive sensor, which has several focusing options: multi, center, and selectable-zone settings. When in movie mode or preview mode, the camera continuously focuses. This Kodak model can focus from as close as 4.7 inches to as far as the user can see. Unfortunately, the Kodak EasyShare DX7590 takes time to reach proper focus but the wait will produce accurate and precise results.

Manual (0.0)
The Kodak EasyShare DX7590 does not have true manual focus. The user can choose whether the camera automatically focuses in multi-zone, center-zone or selectable-zone. Framing marks on the display, which can appear in the viewfinder or on the LCD screen, show the user where the image will be focused. It is quite disappointing that no manual focus is included on the DX7590. For a camera attempting to extend beyond the pure point-and-shoot ranks, some form of manual focus is imperative. This is a major flaw of the camera for more advanced users and forces it to appear as an overpriced point-and-shoot imager.

Metering (7.0)
The Kodak DX7590 has three exposure metering modes: multi-pattern, center-weight, and center-spot. Multi-pattern metering is the camera’s default setting, reading the entire scene and producing an even overall exposure. Center-weighted metering will read the center of the frame and then weigh the exposure with the rest of the composition. There is also a center-spot metering method that functions similarly to the center-weighted setting but applies solely to a reduced area within the center of the frame, signified by a small circle in the viewfinder. The center-spot metering mode provides users with control over metering when desired objects are moved to the center of the composition.

Exposure (7.0)
The Kodak EasyShare DX7590 includes an Exposure Compensation feature that contains the typical range of -2 to +2 in 1/3 EV steps. This is fairly consistent among most cameras and provides additional opportunity for modifying the exposure.

White Balance (4.5)
The white balance settings can be found in most shooting menus. The choices are Auto, Daylight, Tungsten, Fluorescent, and Open Shade. There is no true manual white balance function on this camera. This is a major hindrance on this camera, preventing it from being considered as anything beyond a point-and-shot camera. Many manual shooters view white balance as the ultimate creative tool, also enabling the user to attain advanced precision and color accuracy in any given scene. Without a custom white balance setting, the user has to rely on the camera’s ability to read the scene and determine the proper setting for the light source. This often presents a problem as white balance accuracy is a common weakness among digital cameras. For the Kodak DX7590 to be considered anything beyond an expensive point-and-shoot imager, at minimum, a custom white balance setting has to be included.

ISO (8.0)
ISO settings on the Kodak EasyShare DX7590 are controlled with the jog dial on the front of the camera. The choices include ISO 80, 100, 200, 400, and an ISO 800 setting that is available at reduced quality. This is an expansive shooting range that will enable users of the DX7590 to shoot in a variety of lighting. There is flexibility at both ends of the spectrum, providing a setting below ISO 100 for added clarity in bright shooting conditions as well as the ISO 800 setting that will aid in low light.

Shutter Speed (7.0)
In automatic modes, the camera adjusts the shutter speed from 16 seconds to 1/1700^th of a second. In modes where the shutter speed can be manipulated manually, it can range from 16 seconds to 1/1000^th of a second. This is a fairly flexible range that will allow the user to stop action motion when desired as well as capture motion.

Aperture (7.0)
The Kodak EasyShare DX7590 has a Schneider-Kreuznach 10x optical zoom lens with an aperture range of f/2.8-f/8.0. The aperture can be adjusted through the jog dial on the front of the camera and can be manually or automatically controlled.

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