Cameras and Electronics
Sony Goes Full Frame
By Leo Jakobson
December 23, 2013
’s new a7 digital cameras break new ground in the high end of the digital camera world. The two models are "full frame" cameras, something only available in professional-level DSLR models until now. "Full frame" means the image-capturing sensor is the same size as 35mm film -- substantially larger than in even many DSLR models. But this is a "mirrorless" camera, so the body can be much smaller and lighter than a DSLR as it doesn’t use the bulky series of mirrors that a single lens reflex (SLR) system uses to transmit the image in the lens to the viewfinder. Instead it uses a miniature but high-resolution OLED video screen in the viewfinder. Other features include Wi-Fi and NFC connectivity for sharing images, and nine customizable buttons. The a7 uses full-size interchangeable lenses. The 24.3-megapixel a7 will be sold with a 28-70mm F3.5 - F5.6 full-frame zoom lens for about $2,000. Sony also has the a7R, with a 36.3 megapixel sensor, for sale as a body only for $2,300.
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