Canon EOS 550D: the Introduction Camera, mid-end SLR cameras
Canon SLR endless selling in the market, sales are very impressive with CANON EOS 550D battery, the Canon 550D because of its excellent performance, has been in hot pursuit of the consumer for CANON EOS 7D battery, although the market for some time Canon 600D, 550D in the user in mind but still have their own place .
18 million pixel CMOS sensor, 1080p HD (with full manual control) video recording capabilities, with the same specifications as 63 7D spot metering system, 3-inch 1.04 million pixel 3:2 LCD screen! Canon 550D performance configuration is extremely attractive, even comparable to mid models.
In addition to these features, the new 550D also has 3.7 / second continuous shooting speed. Sensitivity to support from ISO100-6400, expandable up to ISO12800. It also supports the latest SDXC card storage. Overall body size is 128.8 × 97.3 × 62mm, weighs 530 grams. Canon EOS 550D also has a plus or minus five-speed exposure, support Eye-Fi compatible protocol.
Canon 550D has exceeded the performance of similar models, Full HD video capabilities let 550D can be done in one machine. Set of machine is equipped with 18-135mm telephoto lens covering wide angle to medium segment, has a good versatile, and can be a mirror world.
Nikon D90
Nikon digital cameras have always been known for a professional performance with NIKON D90 battery, high cost is also allowed to have a large number of fans. Nikon D90 is a cost-effective midrange models, the SLR market veteran with more than two years, although no longer too many performance advantages. However, excellent image quality, excellent handling and a solid body work, or so D90 has a high degree of concern.
Scene Recognition System also enhances the camera in various shooting conditions, auto focus, auto exposure and auto white balance accuracy. Camera sensitivity range of ISO200-ISO3200, and expanded to ISO100-ISO6400. D90 also comes with image sensor dust removal function, which can effectively remove the sensor optical low-pass filter dust on the lower image quality. Nikon D90 DSLR with movie function, capable of about 24 per second, the flow rate of 320 × 216 pixels shooting, 640 × 424 pixels or HD720p (1280 × 720 pixels) video.
Nikon D90 with DX format CMOS sensor, 12.3 million effective pixels, the maximum you can shoot 4288 × 2848 resolution images. D90 uses a 3.0 inch 92 million pixel LCD screen with live view and Face-priority AF function.
Nikon D90 is absolutely healthy and strong, it has a strong performance configuration, photographers can meet the requirements of the filming equipment. In the static pictures were taken, D90 also has a high-definition video camera function. Is an excellent performance, and withstand the test of time SLR products.
Sony A580
Sony A580 is a 16 million-pixel imaging capability, with full HD video recording capabilities of entry-level SLR cameras. In addition to seven per second continuous shooting performance, and body anti-shake function for this SLR for Sony NP-FD1 battery.
Sony A580 uses a 16.2 million effective pixel APS-C Exmor CMOS sensor, can shoot 1080p AVCHD format full HD video clips, 3D panoramic scanning support, automatic HDR and multi-frame noise reduction, with a 15-point phase detection auto and manual focus mode, and 7 per second burst mode, ISO up can be up to 25600, the new HD Bionz processor, use a rotating LCD display.
Sony A580 body, we are pleased to see the panoramic scanning capabilities and the emergence of hand-held night. Both the Cyber-shot digital cameras on the acclaimed feature was not until almost all of the Sony camera product line, no doubt can significantly enhance the camera’s ease of use.







