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Have free access to Olympic games using Flash DV recording highlights
Flash DV record Olympic best choice
High professional digital cameras from evolution to the present popularity of households, the entire development process, is a record of the storage model of evolutionary history. Today the V8 format 8mm the emulated tape has been completely eliminated, although further mini tape still exists as a mainstream storage model, but both manufacturers developed a passion and the sales market was dying. Competition focus of Samsung SLB-07A Battery Charger attention is also focused on a DVD disc, mechanical hard drives, and a new type of Flash between the three storage modes. While there are emerging of Flash a more broad prospects for DV. Compared to hell and that the other two storage modes, Flash DV advantages and where is it?
Talking about Flash DV, a veteran practitioners say, from the development of technologies and DV market trends, development path for DV storage medium should be from tape to disk, and then from the hard disk, and finally to the Flash development, Flash will be the ultimate development trend of future DV storage, due to the Flash memory as the storage media can bring to consumers a lot of convenience. After a long talk with him, and incorporate information from interviews obtained, journalists are simple sum up the advantages of selecting Flash DV record Olympics.
First of all, Flash DV allows image recording more convenient. Memory built-in DV frame becomes more compact, less storage media, more conducive to DV compact development. A slightly less easy to see that shares the same brand performance two DV, the model in size, provide significant advantage of using Flash, more conducive to carry into the Olympics.
Secondly, solid state Flash DV use less battery power, data security is stronger, can achieve faster boot and reflect the speed. Canon FS series cameras start time is about 1 second, high end HF series camcorders for approximately 0.7 seconds. In comparison, traditional tape DV and DV to built-in DVD CD drives and heads, bald head read data, start will take some time, also had to face a dust problem plagued; hard drive for DV drive mechanism is not required, but the hard disk itself is a mechanical disc storage structure, although the built-in capacity, aseismic and shock resistance is weak, easily damaged fell to the floor. These concerns do not appear in the Flash memory on DV, Flash DV quick launch to facilitate capturing fleeting classic moments in the arenas, lower power consumption means that carry the same battery can take a long time, you know, competition in hours at every turn, also are everywhere during charging.
Of course, the advantages of Flash DV not limited to, vendors when it comes to Flash DV advantages, also stressed the Flash is a convenient file access. After the shooting, you need to simply copy the shot of the video file to your computer for easy playback and editing, no late as complex as using tape DV editing and lengthy go burning process and Flash DV is a one-time investment, consumers don't have to worry about late inputs with DVD camcorders continue to buy CDs
Dual-mode storage price/performance highlights the most popular
Flash DV has many advantages, but recently began to spread, and many consumers still feel a little strange. This is the root cause of market demand and price of Flash memory of each other. As users take quality requirements of raising, in particular the popularity of high definition technology, demand rises for DV storage capacities, limited unit capacity of tape and optical have began to keep up with the pace of HD, and Nikon D3 Battery Charger the mechanical hard drive can not unlimited growth. At this point to the rapid development of large-capacity, low price of Flash memory is displayed as a tool for DV storage advantage.
Hard drive mechanical drive part number, the price is not down to beneath a certain minimum. Flash can improve integration capacity expansion, and keep the size and weight of the same, so there is no minimum price. Particularly in the last year or two, Flash prices down nearly half of every year, is to lower the price of development by leaps. When 16GB capacity SDHC card to the $ 500 price bottom line when launching the emergency unit, mechanical hard disk only advantage was lost.
Flash Olympics preferred DV record has no suspense, whether you choose a product to in-depth research, Flash DV on the market today there are two major forms: the built-in Flash memory and external SD/SDHC such as Flash memory cards. From a technical perspective, built-in Flash storage space to tend to infinity, but stand-alone cost also rises; extend if we totally rely on external storage cards, then the DV storage card manufacturer and manufacturer technical, product compatibility will there are certain problems, types of Flash memory cards currently more, even similar standards do not entirely uniform.
In maintained Flash inherent advantage of Foundation Shang, to Canon for representative of some has prospect sexual of brand also in products Shang used has novel of "double die storage" way, built-in Flash of while support plug card extended, to built-in Flash strengthened has DV of portable sexual and storage stability, through outside plug Flash further resolved capacity expanding and price accept of, became currently most science of Flash DV design.
SD HD optional Olympics Flash DV models recommended
Understanding Flash DV, especially after numerous advantages of dual-mode storage DV, readers have firm purchase Flash DV at the Olympic site to show their determination. But face brand many, feast of products, on had which a paragraph price/performance highest, that a paragraph most competent Olympic arenas of shooting environment, in widely understanding has many user of experience experience and and stores senior sales personnel communication zhihou, reporter featured has five paragraph different price, contains HD and SD specifications of products recommended to readers, hope Members are can shooting to belonging to own of that copies wonderful Olympic.
Canon HF10 Trinity HD experience
The HF10 is equipped with a full HD 12 times optical zoom lens, is made up of 11 lens 9 group, equipped with two aspherical lenses. It not only be able to capture full HD signals, 1920x1080 can also record and output resolution HD images. At the same time, Canon developed a 1/3.2-inch FULL HDCMOS about 3.31 million pixel image sensors can record full HD AVCHD format 1920x1080 high resolution HD images.
In addition, the Canon HF10 internal storage capacity up to 16GB, work 16GBSDHC large-capacity memory cards, shot up nearly 12 hours in LP mode, the equivalent of Panasonic DMC-TZ1 Battery Charger 23 8cmDVD CD capacity. If you really take 8 go to shoot game disc instead of the Canon HF10, burdensome levels as you can imagine.
Recommended reason: Canon HF10 is positioned high in the new 2008 series of a dual-mode storage HD digital video camera, adhering to the Canon HD "Trinity" technology, that is, by excellence of Canon HD video lens, advanced imaging sensors and a powerful DIGICDVII HDCMOS HD HD high definition system composed of high speed image processor, enables high definition image capture, sensitive to the Trinity.
Development and application of novel solid state image sensor
In order to seek better solutions, Japan researcher for the human visual system of Fuji company conducted a comprehensive study, they came to the conclusion: spatial frequency and power of the information gathered on the horizontal and vertical axes, the lowest power on the 45 ° diagonal line. According to this theory research result, the Super (Super) CCD[6] pixels arranged in 45 ° angle to form a honeycomb-like structure. Control signal channel was cancelled, leaving more space for the photodiode. Photodiodes are octagonal, very close to circular micro-lenses, so you can more effectively absorb light. SuperCCD images recording space does not help to reduce to a minimum, photographic efficiency, increased speed and signal to noise ratio, dynamic range can be expanded.
SuperCCD read-read horizontal jumping out of the way, although the jump read pixels can significantly reduce the video image quality, however, because vertical lines reading speed is too slow, traditional CCD must jump at the output image playback mode. Moreover, traditional CCD pixels horizontally only two colors, two rows of data to form a color must be read. SuperCCD pixels per line contains red, green, and blue (r, g, b) three types of color, in addition to the one-second or other ratios for vertical jump read out, also can jumping one-third read out, you can get high quality video output. Unlike traditional CCD is SuperCCD charge channels more wide, capable of high-speed data transfer, so as long as electronic shutter control and simple so that it has the potential of fast and accurate continuous shooting, all the pixel data can be read out at a time. Since 1999, the first generation of SuperCCD advent, by early 2003 has developed into the fourth generation of SuperCCD, developed using the device digital camera camera effects of human eye visual effect has been reached.
2.2 CMOS image sensor
CMOS image sensor's research began in the late 1960 of the 20th century, due to technology restrictions, not developed until the early 90 's, three CMOS image sensor has been developed [7][[8], no CMOS active pixel sensor (CMOS PPS for short), CMOS active pixel sensor (CMOS APS for short) and digital pixel CMOS sensor (CMOS DPS for short). Has come out on the basis of stress sensors, CMOS optical sensors, CMOS log-polar concave type CMOS sensors, CMOS sensors in the retina, CMOS sensor, logarithmic transform CMOS, rail-rail CMOS active pixel image sensor CMOS image sensors and Nikon EN-EL14 Battery CMOS sensor, a single-slope mode fingerprint image sensor, VMISCMOS, FoveonX3 full color CMOS image sensor image sensors.
CMOS image sensors have more readout mode. Reads the entire array of progressive scan is a general pattern of reads, this approach to reading and CCD readout similar to the way. Readout mode the window is a partial reading of the pixel information in the window mode, read out the readout mode improves efficiency. Leaping readout mode as with the SuperCCD, read out at the expense of raising rates at a lower resolution, using intervals of one or more pixel readout mode.
2.3 CMOS image sensor technology--C3D
C3D (CMOSColorCaptiureDevice) is a next-generation semiconductor imaging technology, it not only improves the pixel design technologies [9], have also improved production processes. 0.25 μ mCMOS process this CMOS image sensor, you can preserve the performance without increasing the number of transistors and fill factor. In addition to increasing pixel design options, you can also implement more sophisticated functionality, and lower power consumption. Also has a large advantage in speed.
For designers, in order to maximize product quality, is crucial when designing the right trade-off. As far as the image sensor quantum efficiency is very important, but the dark current and crosstalk also cannot be ignored. C3D core technologies to the CMOS image sensors are fixed, pixel cross-talk between image noise and dark current deficit has been reduced. In addition, reduced reliance on support circuitry.
C3D technical uniformity of pixels is the biggest feature of the response. C3D technology to redefine the image of the performance (including overall performance of the system), improved CMOS image sensor in a uniform and dark current standards of performance. C3D design image sensor technology is application-specific and, therefore, system designers can use it to complete the on-chip features integrated, according to the existing system of parameters for design, improving overall system performance. C3D on another design technique is the use of the benefits of on-chip integrated array processor processing power substantially reduce subsequent images.
2.4 APD image sensor
Swiss Federal Institute of technology in electronics laboratory of AliceBiber and PeterSeitz, who uses 1.2 μ m standard Bi-CMOS image sensor technology successfully developed the avalanche photodiode (APDIS) [10], each pixel consists of avalanche photodiode (APD), high voltage stabilizing circuit and image readout electronics components. Compared with conventional CMOS active pixel sensor, integrated existing feedback resistor APD pixels will be replaced by the feedback capacitor, thermal noise of the amplifier for the Vnamp=30nV/Hz1/2, when the source of thermal noise in follower Vnsf=17nV/Hz1/2,C=200fF, evaluates the reset noise of 144 μv gain 1 and 15 o'clock, APD noise (inAPD) namely 3.2x10-33A2/Hz and 14.4x 10-27A2/Hz。 Each external diameter spherical structure of APD as 48 μ m, pixels for the 12x24, chip size for 2.4mmx2.4mm, the total pixel size is 154 μ MX71.5 μ m. The devices have been used to build a first APD camera, shoot a clear black and white images.
Promote driving force behind the development of solid state image sensors of digital cameras, camcorders and mobile phones. Now, the focus of solid state image sensor technology development is completely transferred from CCD to CMOS image sensors, CCD and CMOS image sensor production prediction as shown in Figure 1.
3 progress of solid state image sensor
3.1 new CMOS image sensor--ARAMIS
ElecVision company of Taiwan Province of China development of asynchronous random access MOS image sensor (referred to as ARAMIS) is a new type of Planar CMOS image sensors [11], consolidate in a single-chip image sensor array, a/d conversion circuit, digital interfaces and other control logic circuit, working in 3.3V or 5V single power supply. ARAMIS structure for CMOS image sensor digital camera system can be simplified to the image sensor + micro + 3 such as memory chips. Developed for simulation of mechanical shutter electronic shutter, you can do on-chip matrix metering mode, which does not require extra plus photoelectric measuring road, allowing all the pixels at the same time exposures. Traditional CMOS image sensor using row reference exposure mode, all the pixels at the same time exposure for each row, instead of pixels on the peer is not in the same exposure at all times, therefore, will produce images distorted when shooting fast moving objects, while ARAMIS is a good solution to this problem. Because with ARAMIS is one of the benefits of technology to more accurately reproduce moving targets. Targets in the campaign can still maintain their correct shape.
More than 3.2 X3 layer chromatography technology
On February 11, 2002, United States Foveon image sensor company published a new sense of multilayer technology--with VPS (variable pixel size) FoveonX3 technologies [12], immediately aroused the concern of the industry. 2000-2003, Foveon company using a 0.18 μ mCMOS process development out 130x130x3, 576x384x3, 640x480x3, 768x512x3, 1152x768x3, and 575x575x3, and 1344x1024x3, and 2048x2048x3, and 2304x1536x3, and 1134x756x3, and 1152x1008x 3 (last 3 representatives of the surface there are three types of color per pixel) FoveonX3 full color of the pixel CMOS image sensor, the company's unique X3 technology can be used in a pixel at the same time get red, green and blue color signal, its products mainly for the professional photography and amateur consumer market. FoveonX3 is the world's first can capture full colour on one pixel of image sensor array. Tradition of optoelectronic coupled devices can only sense light intensity, not induction color information, need induction through a color filter of color information, which we call Bayer filter. FoveonX3 induction by different depths at a pixel color, the surface layer of Panasonic DMC-TZ11 Battery Charger photoreceptor induction green blue, second-tier, third level sensing red. It is based on the absorption effect of Silicon on different wavelengths of light to achieve a pixel sensors all color information, this image sensor uses VPS technology to allow support for X3 digital camera capture high-resolution still images, full motion video. Image quality is better than 35mm film and digital cameras. At present, already has full color CMOS image sensor using this technology, the product is "SigmaSD9" digital camera.
This innovative technology to provide more Shuili image, better color. FoveonX3 is the first with built-in Silicon photo-sensor to detect the color, traditional semiconductor sensor technology is a big breakthrough, prospects are very good.
3.3 VMIS mobile imaging module
Voltage modulation image sensor (referred to as VMIS) is Innotech Corporation is developing a new product [13]. Normal CMOS image sensors, each pixel you want to use three pieces of MOS devices, VMIS only with a piece of each pixel. This product is only about 8mm (one-fourth), 310,000 pixels, an area of 5.6 μ mx5.6 μ m, can significantly reduce the size of the image sensor. It was reported that the chip not only image quality close to the CCD, and power consumption is very low. In 2002, Innotech company successfully developed the VMISCMOS image sensors, pixels for 1360x1024, the pixel size is 4.2 μ MX4.2 μ m, saturated output signal to 500mV, sensitivity to 300mV/lx · s, trailing as -100dB. Innotech Corporation developed a one-fourth inch, VMIS with 800,000 ~100 million pixels. Many manufacturers have VMIS in high hopes and looks forward to its early marketable.
3.4 film ASIC image sensor
Germany University of Michigan Institute for semiconductor electronics using 0.7 μ mCMOS process, super high vacuum systems and thin-film PECVD ASIC (TFA) technology, the design and manufacture of a wide dynamic range image sensor [14]. The image sensor consists of two parts: hydrogenated amorphous silicon (a-Si:H) thin-film photoelectric detector and application specific integrated circuit (ASIC). In PECVD a-Si:H film is made in ultra high vacuum, and ASIC using standard CMOS technology, this is after the CMOS image sensors come out of the latest successful development of new sensors. As with CMOS image sensor, has drawn people's attention. Thin film application specific integrated circuits (TFA) image sensor by back electrode, the positive electrode, a-Si:H insulation layer and application specific integrated circuits and other components. Pixel count of 368x256, 495x128, and 1024x108, respectively, the pixel sizes of 30 μ mx38 10 μ and μ m mx10 μ m, chip size for 16.5mmx14.9mm and 16.6mmx12.6mm, the dynamic range is 60dB~125dB, 368x256 components, dark current is 3x10-9A/cm2, dynamic range is 125dB, signal to noise ratio is 71dB.
3.5 SeeMOS image sensor
Philips Semiconductor company SeeMOS UPA1021 is an image sensor with VGA resolution (640Hx480V) one-fourth inches of highly integrated CMOS image sensor [15]. The sensors use Philips SeeMOS technology to JVC GZ-MS250 Battery Charger achieve high resolution and low noise. Its frequency in the 12MHz output of up to 30 frames per second. Its special design of microlens array will fill factor improved twice times, at the same time, using DSP circuits Philips SAA8116GRBBayer CFA (color filter array) to provide elements to achieve the color reproduction of color.
The sensor can be digitally programmable via I2C serial interface, and is equipped with a PGA (programmable gain amplifier), provides up to 24
DV digital camcorder battery for daily use and maintenance methods
- Now, digital video cameras mainly on battery power. Used batteries also have a lot to the attention of local, so that the cell "longevity".

- Battery cleaner
- In order to avoid the problem of loss of power, you want to maintain contact points at each end of the battery and battery cover internal clean. If surface is dirty, gently whisk or wipe off with a soft, clean, dry cloth, must not be used, such as cleaning or chemical nature of the solubility of detergents, solvents such as thinner or alcohol to clean your digital camera, battery or charger.
- Battery charging
- Recharge time is used depends on the charger and battery, and the use of voltage stability and other factors. Normally to the first use of the battery (or for a few months not used batteries) charging lithium batteries must be more than 6 hours, nickel-metal hydride batteries must be more than 14 hours, otherwise the battery life is shorter in the future. And battery when there is a residual power, try not to repeat the charge to ensure that the battery life.
- Battery service
- To avoid discharge during use. Discharge is a consumption of electric energy over the limit. Otherwise, even if to recharge it, its capacity is not fully recovered, for batteries is an injury. Battery charging efficiency due to discharge will get bad, less capacity, video cameras are equipped with the battery alarm function. So in the event of this kind should replace the battery in time, try not to let the battery running out your video camera to automatically shut down.
- Battery save
- If you are going to when not using a digital camera for a long time, had to take a battery or Charger taken from your digital camera, and fully discharge it, and then stored in a dry, cool environment, and try to avoid the battery with the metal items of the general store together. To avoid battery short circuit problem, the battery when not in, it should take protective cover to save it.
Note! SLR camera out of focus, how do you treat?
Out of focus is valid and, needless to say it. Flow with the DSLR on the moment, out of focus but also around the heart of the Friends of Nikon Coolpix P300 Battery Charger the film. Advanced camera so what purpose? Can not shoot first, no matter what a good film, to capture clear images which can be its duty ah! But even this part and are not restrain the camera really Jiaoren pain.
Days off quickly, new products constantly pouring in the market, talk about the importance that technological progress, and out of focus should be less of it. Out of focus, but the frequency seems to increase blanket still more serious is the individual model from a brand CANON spread to most of the brands of Panasonic DMC-TZ1 Battery Charger many products. This will be infected? Well without it, many things, with many people and found many problems, and understanding will more.
Annoyingly out of focus
Speaking of understanding, and newcomers continue to join, but also to become out of focus in understanding complicated. Novices new to DSLR, the camera is not familiar with such features, to a lot of hand tremors, focusing error, the camera caused by improper operation of the property to blurry photos out of focus bodies. So overwhelming "XXX not out of focus, out of focus are false" critical remarks. This is normal, after all, everyone's perception, can be understood ah. Fun has yet to come!
Many "do it yourself solution out of focus" approach has come. One way is to use continuous focus photos focus allows very accurate, "solve" the problems out of focus camera. This method is very positive and educational for the novice, can be solved to some extent a "fake out of focus" phenomenon. Can get to know, really out of focus if this can be solved, not a call out of focus. Another method is interesting, it was found that there is a mirror box you can adjust the focus point of the reflective lens to stay gong wire. By gong through this wire can be adjusted to adjust the lens focus to stay position. The out of JVC GR-D347U Battery Charger focus lens mounted on the camera, with the body "is out of focus" to compensate for camera "negative out of focus." Hey, this way, this lens is good, and he can get the mirror to join the ranks of the out of focus. To know the whole focus of this position is the benchmark system, a body launched ah!
Focus on running a family to a proposal, first determine whether it is out of focus, this simple Needless to say, a bunch of online methods. Leave out of focus comrades good exercise basic skills, good hand with the equipment. Out of focus on the real comrades, he do not expect a simple adjustment can solve the problem, or it obediently hospital for medical treatment. No warranty supposed to? Medical expenses and spend it, the body must bear ah!
Photographic reference for beginners: what is EVIL
EVIL is the Electronic Viewfinder, Interchangeable Lens acronyms, Chinese translation for interchangeable lens camera with an electronic viewfinder, due to the application of both portable and interchangeable lens flexibility, it has become the new darling of the market, as is now selling Sony NEX-3/territory of first-order NEX-5, Panasonic LUMIX DMC-GF1/territory G2, OLYMPUS E-P2/territory E-PL1, SAMSUNG NX-10 is part of the system of application areas. Here, readers may be confused, interchangeable lens camera JVC BN-VG121U Battery Charger is not the volume is very large? Why EVIL cameras can do so little? In fact, lies the main reflector structures less EVIL camera, so will be able to achieve a slim fuselage volume, although currently available for sale at design is not much, but the reaction of the market situation, subsequent buying continued to look pretty, as to whether there will be other manufacturers to invest in the future, we are hopeful and optimistic attitude.
Two system wrangling
According to using photographic component tablets site size differences, currently EVIL camera main is divided into Micro Four Thirds (short M4/3) and APS-C, two large system, former to OLYMPUS and the Panasonic mainly, as which is to Sony and SAMSUNG leader, but on DIGIPHOTO edit long-term observation, future Canon, and Nikon and the PENTAX, Dachang also will inputs this field fray, differences only is these Dachang will select which home system for eventually Act just. What about two major system which is better? According to the PC component size, APS-C system in theory would be more dominant, have better picture quality and dynamic range than the M4/3 system performance, but this is not an absolute, which also involve electronic technique and processing power of Panasonic Lumix DMC-FZ28K Battery Charger the camera itself, so the purchase would do well to read before asking much better comparison.
Two large system comparison site map (APS-C system: size 23.4x15.6 mm, representing manufacturers Sony, SAMSUNG,Micro Four Thirds system: chip size 17.3x13mm, representative of manufacturers OLYMPUS and Panasonic)
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