The a7 performed well by day, accurately metering the light in most of our test photos, including backlit and other complex situations. And that is borne out in our tests, where the a7 produced fairly sharp, clear images in situations where other cameras struggled. A bigger sensor means larger photosites (pixels) that capture more light for better detail and less noise (graininess) when shooting in low light. The a7 series's standout feature is a full-frame sensor that is nearly twice as large as the so-called APS-C sensors in mainstream DSLRs, such as the $850 Nikon D5300 and mirrorless cameras like the $1,000 Samsung NX30. Send images to smartphone, activate remote viewfinderĪmount of JPEG compression/detail, or RAW Set auto exposure to be darker or lighter None of the a7 cameras have a built-in flash, but they all feature a standard hot shoe for attaching external flashes from Sony or other manufacturers. (You can set the camera to use only the screen or only the viewfinder if you like.) The camera then takes about a second to turn the LCD back on. However, it is easy to accidentally trigger the viewfinder (and thus disable the LCD) if a finger or the camera strap comes near the sensor or if you hold the camera close to your body while using the LCD. Images look bright, clear and colorful, and the fast refresh rate prevents the stuttering effect that some EVFs suffer when you pan from side to side.Ī small sensor above the EVF detects an object approaching (like your face) and turns on the EVF while turning off the LCD. But this is an OLED electronic viewfinder (EVF) with a higher resolution (1024 x 768) than the rear LCD. The large eyepiece above the screen looks like a standard DSLR's. In bright sun, the LCD is rather difficult to see that's where the viewfinder comes in. A press of the DISP button switches to a live preview of your shot, which is sharp in all but very low light. Most of the time, the LCD displays information such as shutter speed, aperture and metering mode in a dense layout.
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