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Canon EOS D30 Digital SLR

Canon's first digital SLR packs 3 megapixels of CMOS sensor into a speedy, compact body! (Smallest/lightest digital SLR as of August, 2000)

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Page 9:User Interface

Review First Posted: 8/27/2000

User Interface
The D30's user interface is very similar to that of a traditional 35mm SLR film camera, with the exception of the LCD monitor on the back panel. Current users of Canon EOS SLRs should immediately feel at home. We generally comment on whether or not a camera's controls permit single-handed operation, but in the case of pro-level cameras like the D30, this is much less of a consideration, since the cameras' bulk and typical shooting scenarios generally demand the use of two hands anyway. We greatly appreciated the fact that the basic exposure controls are adjustable through the external camera control buttons and dials, greatly reducing your dependence on the rear-panel LCD menu system. The ability to program the Set button for quick changes of menu items such as ISO speed, image quality, and parameters even further reduces reliance on the LCD menu. When you do venture into the menu system, all of the camera's playback and setup options are available in all shooting modes, although the erase, index display, image information, and playback zoom functions are only available in Playback mode. Overall, we found the D30's user interface straightforward and efficient, although the number of options controlled by a relatively small number of buttons does require some study to become familiar with.


Power Switch: This small switch resides in the top left corner of the camera's rear panel, to the left of the viewfinder eyepiece. As you'd expect, it turns the camera on or off.


Mode Dial: Positioned on the left side of the camera's top panel, this dial sets the exposure mode. Exposure modes are divided into three zones, the Image, Easy Shooting, and Creative zones. The Image Zone encompasses the Night Scene, Sports, Close-Up (Macro), Landscape, and Portrait exposure modes. The Easy Shooting Zone includes all of the previously mentioned exposure modes, plus the Full Automatic exposure mode. Finally, the Creative Zone refers to the Program AE, Shutter Speed Priority AE, Aperture Priority AE, Manual Exposure, and Auto Depth of Field Priority AE exposure modes. (We will discuss these modes in more detail under the Camera Modes and Menus section of this review.)


Shutter Button: Located on top of the right hand grip, this button fires the shutter when fully pressed, and sets focus and exposure when halfway pressed in automatic exposure mode. Halfway pressing this button while turning the quick control dial sets the exposure compensation when shooting in any of the Creative Zone exposure modes.


Lens Release Button: Located on the front of the camera this rectangular button just to the right of the lens mount unlocks the lens from the mount when pressed. The lens can then be removed by rotating it about 45 degrees to disengage the bayonet mounting flanges.


Flash Button: Located on the left side of the prism housing, above the lens release button and just below the popup flash compartment, this button releases the popup flash into its operating position when the camera is on. (The popup flash cannot be raised when the camera is turned off.)


Depth of Field Preview Button: Positioned on the side of the lens mount housing, just beneath the lens release button, this button lets you preview the depth of field by stopping down the lens aperture to the current setting in any of the "Creative Zone" exposure modes. (Like most modern SLRs, the D30 normally focuses and meters with the lens wide open, stopping down to the selected aperture just as the picture is being taken.) When an external flash is connected, this button also fires a rapid series of flashes for one second, so that you can check shadows, light balance, and other effects, allowing the flash to be used as a modeling light. (This feature requires use of a Canon dedicated speedlight that supports this capability, such as the model 550EX.)


Main Dial: Resting on top of the camera on the right side (as viewed from the back), this ridged wheel controls some of the camera's basic operations in any of the "Creative Zone" exposure modes. (That is, in non-programmed exposure modes such as aperture- or shutter-priority and full manual mode.) When used in conjunction with the appropriate control buttons on the camera's top, the Main Dial also controls the autofocus mode, focusing area selection, metering mode or drive mode. In Aperture Priority and Shutter Priority modes, this dial sets the lens aperture or shutter speed. In Manual mode, the dial sets the shutter speed.


Metering Mode / Flash Exposure Compensation Button: Just off the top left corner of the small LCD display panel on top of the camera is the shiny, black Metering Mode / Flash Exposure Compensation Button. Pressing this button while rotating the Quick Control Dial between the three metering modes: Evaluative, Partial, and Center-Weighted Averaging. Pressing the button while turning the Main Dial sets the flash exposure compensation from -2 to +2 in 1/2 EV increments, for both the built-in flash and any Speedlight EX external flash unit. (Flash exposure compensation cannot be used in any of the "Easy Shooting" modes.) Through the Custom Function menu, you can change the flash exposure compensation adjustment step size to 1/3 EV increments.


Drive Button: Located beneath the metering mode button, this shiny, blue-green button controls the camera's drive mode. Pressing it while turning either control dial cycles through Single Shooting, Continuous Shooting, and Self-Timer drive modes.


AF Mode / White balance button: Just behind the drive button, this small, gray button controls the autofocus and white balance modes. Pressing the button while turning the Main Dial sets the autofocus mode to One Shot or AI Servo. (One Shot is for still subjects, while AI Servo is better for moving subjects, since it causes the camera to focus continuously.) Pressing this button while turning the Quick Control Dial sets the white balance to Auto, Daylight, Cloudy, Tungsten, Fluorescent, Flash, or Custom ( manual ) mode, to match a variety of light sources. Both functions are only available in the Creative Shooting Zone.


Diopter Adjustment Dial: Located outside the top right corner of the viewfinder eyepiece, this dial adjusts the optical viewfinder's focus to accommodate eyeglass wearers, across an unusually wide range of -3 to +1 diopter.


Menu Button: Situated below the Power Switch, this button accesses the D30's LCD-based operating menu in all modes. Pressing the menu button a second time cancels the menu display.


Info Button: Just below the menu button, this button displays the current exposure settings on the LCD screen when pressed. In Playback mode, pressing this button brings up an information screen that reports the exposure settings that the picture was taken with, and also displays a small histogram, which graphs the exposure values throughout the image.


Jump Button: Directly below the Info button, this button allows you to jump 10 frames forward or backward when viewing images in Playback mode. Once pressed, a jump bar appears in the LCD screen, and jumping is controlled by turning the Quick Control Dial forwards or backwards. The Jump button is active only in playback mode.


Index / Enlarge button: Just below the Jump button, this button displays a nine image, thumbnail index display when pressed once. A second press enlarges the currently displayed image to 3x. (Turning the Quick Control Dial allows you to move around within the enlarged image, to check the details.) The Index/Enlarge button is active only in playback mode.


Play Button: The final button on the left side of the back panel, this button puts the camera into Playback mode, regardless of the Mode Dial setting. (Turning the Quick Control Dial in this mode scrolls through captured images.) Playback mode can be canceled by hitting the Play button again, or by touching the shutter button. (The D30 is a "shooting priority" camera: It's always ready to shoot a picture, regardless of its current mode. Simply pressing the shutter button returns it immediately to capture mode.)


Erase Button: Resting beneath the lower right corner of the LCD monitor, this button accesses the erase menu, which allows you to erase the current image or all images on the card (except for protected ones). There is also an option to cancel. The Erase function works in Playback mode and the quick review mode only.


Quick Control Dial Switch: Located on the back of the camera just above the Quick Control Dial, this switch activates and deactivates the Quick Control Dial, helping prevent any unintentional changes in camera settings.


Quick Control Dial: To the right of the LCD monitor on the camera's back panel, this dial selects various camera settings and menu options when turned while pressing a control button or while in an LCD menu screen. When shooting in the Creative Zone (except for Manual Exposure mode), turning the dial while halfway pressing the shutter button sets the exposure compensation (from -2 to +2 in 1/3 or 1/2 EV increments). In Playback mode, this dial scrolls through captured images on the CompactFlash card. It also navigates the index display and scrolls around within an enlarged image. Depending on a Custom Funciton menu setting, it can also be used to control ISO speed or image quality.


Set Button: Located in the center of the Quick Control Dial, this button confirms menu selections and camera settings when using the LCD menu system. Through the Custom Function menu, this button can be programmed to control the image quality or ISO speed in conjunction with the Quick Control Dial. (The default is for it to have no function in record mode.)


AE / FE Button: At the top right corner of the camera's back panel, marked with an asterisk, this button locks the exposure until the shutter button is pressed. When pressed while the flash is activated, this button locks the flash exposure, which signals the camera to fire a small pre-flash to measure the exposure before locking it. (This decoupling of exposure lock from autofocusing is a very useful "pro" feature seldom seen on lower-end cameras.)


Focus Area Selector Button: Just beside the AE / FE button, this button allows you to choose the focus area manually or automatically in Program AE, Shutter Speed Priority AE, Aperture Priority AE, or Manual Exposure modes. Pressing the button and rotating either control dial cycles an automatic setting, or your choice of three manually-selected focus areas. The automatic setting bases the focus on the position of the subject within the frame, and its proximity to one of three focusing points (shown as three small boxes arranged horizontally in the viewfinder). Your choice of focusing area is reflected in the top-panel LCD data readout by the position of a small "o" in the LCD data readout: If all three "o"s are displayed, the camera is auto focus-area selection mode.


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