Metering Five metering systems are available on the Olympus E-520: Digital ESP, Center-Weighted, Spot (approx. 2% of viewfinder screen), Spot HI (highlights), and Spot SH (shadows). All are accessed through the Metering button on the camera's back panel. Under the default Digital ESP setting, the camera takes an exposure reading from 49 zones or segments and chooses the best exposure based on brightness and contrast across the entire scene. Center-Weighted metering reads from the center of the frame, but from a fairly large area. Spot metering simply reads the exposure from the very center of the image, so you can pinpoint the specific area of the photograph you want properly exposed. (Spot metering is very handy when you have a subject that's backlit, or that has a very different brightness, either lighter or darker, than the background.) The two additional Spot options provide highlight and shadow control, whenever shooting in very bright or very dark conditions.
An AE/AF Lock button locks the current exposure settings whenever pressed, so you can independently lock exposure and focus. (AE Lock is useful when you want to base your exposure on an off-center subject. Point the camera at the subject, lock the exposure, then recompose your shot however you like. Your subject will be correctly exposed, regardless of what might be in the center of the frame when you finally snap the shutter.) Through the Setup menu, you can designate the function of the AE/AF lock button, and how it works in conjunction with the Shutter button. This button will also lock the flash exposure.
In situations where exposure compensation is necessary, simply press the Exposure Compensation button and turn the Control dial (in all exposure modes except Manual) and the EV value will display on the LCD monitor. You can increase or decrease the exposure in either 0.3, 0.5, or 1.0-step increments (selected via a menu option), up to a maximum of +/- 5 EV. Or, you can use the Auto Exposure Bracketing (AEB) function to automatically bracket an exposure in three-step increments of either 0.3, 0.7, or 1.0 EV units each. The auto bracketing will center its efforts around whatever exposure you've chosen as the starting point, including any exposure compensation adjustments you've made. AEB is handy for those times when you want to make sure you get just the right exposure for a critical subject.
White Balance White balance options include Auto, Tungsten, Fluorescent 1, Fluorescent 2, Fluorescent 3, Daylight, Cloudy, Shade, Flash, One-Touch, and Custom, to accommodate a variety of lighting situations. Pressing the White Balance button and turning the Command dial adjusts the setting, and the Kelvin temperature is displayed in the LCD monitor. The Olympus E-520 offers a Custom setting, which lets you choose from a range of Kelvin temperature settings, from 2,000K to 14,000K. The One-Touch option is useful for basing the white balance on a white card. You can also adjust the white balance, controlling the amount of red, green, blue, and magenta in the color balance, in any of the selected modes. This ability to "tweak" the white balance, called White Balance Compensation, is very helpful when dealing with difficult light sources. The E-520 also features a white balance bracketing setting, accessed through the LCD menu. If activated, the camera will take three successive images, either biasing between red and blue or green and magenta. You can set the images to vary by two, four, or six arbitrary adjustment steps.
ISO Sensitivity The Olympus E-520 lets you adjust its light sensitivity, in one EV steps, with options of 100, 200, 400, 800, and 1,600 ISO equivalents, or to an Auto mode in which the camera selects an ISO appropriate to the subject's brightness. You can set a maximum ISO point for the Auto mode which won't risk noise in bright situations, from 100 to 1,600. The higher ISO settings are helpful when you want faster shutter speeds under normal lighting, to help freeze fast action. Of course, as with all digicams, the higher ISO settings produce photos with more image noise, in much the same way that higher-ISO films show more film grain. To combat this problem, the E-520 offers a Noise Reduction option through the Record menu, which reduces the amount of image noise from long exposures, particularly at the higher ISO settings, as well as variable high ISO noise reduction Olympus calls Noise Filter. Noise Filter options consist of Off, Low, Standard, and High.
Picture Modes There are also options on the Record menu to set the color mode, which offers Vivid, Natural, Muted, Portrait, and Monotone, as well as custom options. Contrast, Sharpness, and Saturation levels may be adjusted in five steps for Vivid, Natural, Muted, and Portrait; while Contrast and Sharpness levels can be adjusted in five steps for Monotone. Yellow, Orange, Red, or Green filter effects are available for Monotone, as well as Sepia, Blue, Purple, or Green picture tones. In addition, the Olympus E-520 has a Gradation setting to control the brightness of the entire image. You can choose between the Auto, Normal, Low, and High Key settings. A color space option under the Record menu lets you choose between sRGB (for Windows machines) and Adobe RGB (for Adobe Photoshop) color options.
Self-Timer The Olympus E-520 also offers two Self-Timer modes for self-portraits or those occasions when you don't want to risk camera shake on a long exposure by pressing the Shutter button to trip the shutter. You can choose between a two- or 12-second countdown. The two-second countdown is useful for times when you're taking a long exposure with the camera on a tripod, and you want to minimize any camera shake from pressing the Shutter button. The Drive setting also accesses the Remote Control modes, for use with an optional remote.
Sequential Shooting Mode The Olympus E-520 offers a Sequential mode that mimics the motor drive on a film camera, recording as many as 12 Large/Superfine JPEGs or 9 RAW images at about 3.5 frames per second when you hold down the Shutter button. As is usually the case, the number of frames you can capture quickly is limited by the camera's buffer memory capacity and the frame rate is determined by the file size.
The images above were taken from our standardized test shots. For a
collection of more pictorial photos, see our
Olympus E-520 Photo Gallery
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