Lets review in optics part compact mirrorless photo-camera Sony Alpha NEX-7 with 24.3 MP Exmor HD CMOS APS-C sensor, BionZ graphical processor and Sony E mount for interchangeable lenses. It saves photos in JPEG, RAW ( with 12 bits per channel precision ) and RAW+JPEG formats and records video in Full HD 1920 x 1080 28/24 and HD 1280 x 720 28/24 modes, saving it in MPEG-4 format with AVCHD or H.264 image encoding and AAC stereo sound, recorded via built-in or external microphones. ISO sensitivity levels are in 100 – 16000 range; camera has built-in flash and OLED viewfinder with 2.4 M dots resolution, its 3″ touch LCD screen can be tilted and has 921.6 K dots resolution; image stabilization is optical with lenses, that support it.
Sony Alpha NEX-7 supports automatic and manual focus, exposure and diaphragm settings and can be used for astronomical shooting with T-mount adapter. It saves photos and videos on Memory Stick PRO HG-Duo, Memory Stick Pro Duo, SD, SDHC and SDXC ( UHS-I ) flash memory cards; and has following connectors : USB 2.0 for connection with computer, HDMI Mini Type-C, Hot Shoe and 1/8″ mini-jack for external microphone; one charge of Li-ion battery NP-FW50 enough for approximately 400 photos making. Camera sizes are 120 ( width ) x 67 ( height ) x 43 ( depth ) mm and mass is 292 g ( only camera without lens, memory card and battery ); its body is made from metal. Operating conditions are the same, as other cameras have : temperature in 0 – 40 degrees on Celsius range and relative air humidity levels in 30 – 90 % range.
Package contains : Sony Alpha NEX-7 camera itself, USB cable, Li-ion battery NP-FW50, BC-VW1 AC recharger, body cap, shoulder strap, clearing cloth, CD-ROM disk with software, 1-year warranty card and user’s guide; there are also kits with included lenses. Camera is very good, it gives high quality photos and video and have compact metal body and APS-C sensor; its minus is very big price ( but it is not overpriced for its functions and technologies ), for which entry-level mirrored camera can be bought.