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bits that I found interesting
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" The new use of the central 8 to double cross, all 19 points cross-type AF system, a rich selection of focus modes and a maximum of about 8 per second"
"By using two high-performance DIGIC 4 Digital Image Processor composed of pairs of DIGIC 4, to ensure that the camera as a whole has a good reaction speed,"
"Accompanied by quality improvement focus accuracy requirements become more stringent, EOS 7D uses a central 8 to the double cross, all 19 points cross-type AF system."
"8 frames / second continuous shooting speed of 126 consecutive shooting (JPEG Large / U ※ Based on Canon testing using a standard Ultra DMA (UDMA) memory card)."
"Equipped with a "double-63 zone metering sensor," able to detect color information, and can use 19 automatic focus-focus information, together with stable exposure. Integrated Metering Systems by iFCL (i = intelligent, F = focus of information, C = color information, L = luminance information) control, even in previously difficult to obtain an appropriate exposure scenarios can also be obtained by virtue of the new algorithm the correct exposure."
"EOS 7D also features the "auto-focus fine-tuning,"
"in addition to containing the "single-point auto-focus", but also has a focus range than single-point AF Focus range of smaller "fixed-point auto-focus," "
"single-point auto-focus" "fixed-point auto-focus," "automatic extension of the focus"
" "regional auto focus"19 pairs were divided into five focus areas"
" EOS 7D uses a newly developed non-contact electromagnetic rotary speed electronically controlled mechanical focal plane shutter, and its basic structure inherited the EOS 5D Mark II has been successfully applied on the shutter unit. And use with the EOS-1D series
of the same material, reaching about 15 million times a shutter life."
" EOS 7D inherits the EOS 5D Mark II's basic structure, using a durability test more than 150,000 times the shutter unit."
this is more realistic.
"three-dimensional electronic level " in the viewfinder
"to gain a more accurate exposure, the metering sensor also has the detection of RGB three primary colors R and B wavelength wavelength of color measurement features, and according to available information correctly to improve the red Pishe Ti prone to the phenomenon of lack of exposure. In addition, the 19 AF points correspond to a corresponding metering area, so you can refer to each of the focus in the distribution of brightness as well as other ways to get out of focus and then calculate the amount of exposure value."
" EOS 7D has a 160 ° wide viewing angle, and 92 million points of high-precision, "3.0" clear display LCD Monitor II-type. "LCD Monitor-II clearly show the use of optical elastic material for the replacement of the original LCD monitor and LCD panel protective layer The gap between the (air layer), which resolved by the protective layer and air layers of different refractive index caused by external light reflection problems."
"The adoption of sealing parts departments, as well as decorative skin tight structure so that the camera has a better performance of water droplets dust. "
"EOS 7D not only reached about 18 million effective pixel, but also achieved a low noise performance of the fine image. CMOS wafer process into a more sophisticated production process, not only solved the cause of the high pixel area of each pixel to narrow the problem, but also uses a higher photoelectric conversion efficiency of the new photodiode. In improving the pixel sensitivity at the same time, the transistors within a pixel was modified to achieve a higher S / N (signal to noise) ratio. In order to effectively improve the condensing rate, in addition to using non-gap micro-lens technology, also used to reduce the micro-lens to the photodiode from the new technologies"
"Image signal transmission is the sequence of the single-channel high-speed reading, while in 8-channel high-speed reading. Compared with the EOS 50D is about 1.3 times faster to achieve about 8 / s high-speed continuous shooting. Low-voltage power supply of high-speed amplifiers and a variety of energy-saving measures adopted to achieve the low power consumption."
" In addition, can be realized per second 30/25/24 frames, resolution 1920 × 1080 pixel full HD movie capture, the use of high-definition picture quality (1280 × 720 pixel resolution) and standard-definition (640 × 480 pixel resolution) is able to 60/50 frames per second shooting. the shooting and the general PAL video formats (resolution 720 × 576 pixel, 25 frames / sec)"
Edited on Aug 31, 2009 at 09:40 AM · View previous versions
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