Like the D80 and D300, built into the D90 is an unusually capable pop-up flash unit, which operates in one of five main modes: Front-Curtain Sync, Red-Eye Reduction, Red-Eye Reduction with Slow Sync, Slow Sync, and Rear-Curtain Sync. Front-Curtain Sync fires the flash at the beginning of the exposure, with every shot. Red-Eye Reduction mode fires the (very bright) AF-assist light before the main flash exposure, to reduce the Red-Eye Effect in shots of people. Red-Eye Reduction with Slow Sync works in a similar fashion, but combines the flash with a slower shutter speed for night portraits. (This reduces the harsh effect of nighttime flash shots, allowing more of the ambient illumination into the picture.) Slow Sync mode works with shutter speeds as slow as 30 seconds to preserve color in night shots. Plus, Nikon doesn't seem to have put sufficient video processing smarts into the camera to properly render video or stills when connected via the mini-HDMI output, it relies on the TV to do the downconversion to HD resolution for stills (never a good idea) and Nikon's true 24fps video doesn't quite match that of most TV processors' expected 23. I don't use a Mac and can't test, so one caveat with Sofortbild: it hasn't been updated recently and may not work with newer cameras (should you upgrade at some. Here are two free options that support interval shooting. This size image can readily make a 13×19 print. There are several applications available for Mac that can control a D90 over USB using the cable that came with your camera. Finally, Rear-Curtain Sync fires the flash at the end of the exposure, producing light trails that appear to follow (rather than precede) moving subjects. The Nikon D90 is a 12.3-megapixel D-SLR so it captures 4288 x 2848 pixel images as JPEG and/or RAW files. In all flash modes, the flash fires with every exposure. Closing the flash disables it completely. CaptureGRID is the most popular commercial alternative to Sofortbild. CaptureGRID is the most popular Mac alternative to Sofortbild. Holding down the Flash Mode button while turning the Sub-command dial adjusts the overall brightness of the flash from -3 to +1 EV in one-third-step increments.īesides the main flash modes listed above, the D90's onboard speedlight can also be used in manual mode, as a repeating flash, or as a commander in Nikon's Creative Lighting System. Smart Shooter allows you to fully control your camera from your PC, giving you freedom to explore and experiment to help take the perfect picture. (See below for more on that last item.) The D90's internal flash is fairly powerful, with a guide number of 12 meters or 39 feet at ISO 100 in auto mode, extending slightly to 13 meters (43 feet) in manual mode.
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