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is not much better than that of old ones. This is because there are some entry-level machines with more than 5 million pixels on the market. In order to reduce costs, although we have adopted 1/1. more than 8 CCD size, but uses 1/2. 5 CCD lenses are only slightly changed. Because they are not significantly different in nature, their imaging quality will not be fundamentally improved, but they also increase the use of storage space in vain, therefore,
(a) First understand what is the "actual focal length" If you are careful when buying a camera, you will find that some of the specs on the site will indicate "18mm (the actual focal length 28mm), and so on, because the true focal length of the lens will be affected by the size of the sensor, look at the following table: The lens shows the actual focal length Total Film width (1x) Actual focal length Aps-c (1.5x) actual focal length M4/3 (2x) 18mm18mm27mm36mm 50mm50mm75mm100mm 200mm200mm
amplitude of the video signal. The video signal is connected to the video input of the monitor or TV to see the video image. The key to improving the image clarity is to improve the photographic ability of the camera.2, lens and CCD sensor components of the configurationIn Figure one, we can see that the image formed on the CCD sensor is smaller than the original image, and the size of the CCD image surface is different.CCD imaging size is commonly used in 1/2-inch, 1/3-inch, CCD size determine
Magnifier is not a difficult effect, just because some accurate numerical calculation is involved, it is more cumbersome. In the coming days, I will write an article about the JavaScript Magnifier series on a regular basis, each time speaking a point, from the point and face, and finally complete the whole effect. This time we first learn how to move lenses on thumbnails. (This is DEMO) Thumbnails and lenses
signals. Lens industry has a relatively high technical threshold, foreign mainly concentrated in Japan, South Korea, the domestic is mainly in Taiwan, the industry more well-known such as: Fuji Seiki, Konica Mei can reach, vigorously light, enplas and so on. Lens generally consists of a few lenses composed of lens structure, according to the material can be divided into plastic lens (plastic) or glass lens (glass), glass lens than resin lens. Plast
correcting the tilt of a building with PS Q: I used to take a lot of pictures of tall buildings, but these pictures are obviously deformed. The top of the buildings in these photos are converging inward, how can I avoid such a phenomenon in future filming? When shooting a building with a wide angle, we notice that the building will be more or less deformed, and this article does not discuss how these variants are produced, but focuses on how to correct these deformations. The following figure
Shift-Axis photography (tilt-shift photography), refers to the use of shift-axis lenses created works, the photos taken is like a miniature model, as if we played the toy world as a child. Moving the axis lens, is used to modify the normal wide-angle lens when taking pictures of the perspective distortion problem; For example, the shooting of buildings, the general lens will let the high-rise tilt to the center of the'm puzzle, and the use of the shif
, fresh photos are often used in rectangular or square composition way. So our SLR or the general default of a single camera 3:2 or 4:3 of the photos will need to do two of the composition--you think a picture of the most essential part of the cut out, and then the color processing processing. The square is trimmed in a fresh style of two times the characteristics of the composition because most of the resolution of our photos is very high, take 6000x4000 as an example,
To enrich the image, photographers put a variety of special films in front of the camera's lens, so that the photographs included the special effects of the lenses added. is called "Color filter". The idea of special lenses extends to the computer image processing technology, then produces "the filter (Filer)" In the PS, also called "The Filter", is one kind of special image effect processing technology. G
tube, lens and reflector surface, blocking the path of light access to light path. The treatment method is to use cotton ball dip anhydrous ethanol scrub, scrub parts including light-emitting tube, lenses and mirrors, photosensitive tube surface, to pay attention to anhydrous ethanol must be pure, otherwise the more clean the more dirty, can also be cleaned with anhydrous ethanol, alignment lenses and refl
course, this is only used after the system, so that the image more sharp, the main body more prominent and then, we also need a lot of skills in shooting, to take the most sharp and clear photos, simply listed as follows: 1 Use tripod, remote shutter and even the mirror to advance, minimize any vibration, if you want to hand the camera, try to increase the shutter speed. 2 with small-aperture, general landscape photography people will be set to F/8–F/11, to help the overall picture clear, or
file is larger than the available memory.>>> fr=open (' lenses.txt ') >>> a=fr.read () >>> print aYoungmyopenonormalsoftYoungmyopeyesreducedno LensesYoungmyopeyesnormalhard......>>> type (a)ReadLine () Method: ReadLine () reads one line at a time, which is much slower than readlines (), and ReadLine () returns a string object that holds the contents of the current row.>>> fr=open (' lenses.txt ') >>> line=fr.readline () >>> print Lineyoungmyopenoreducedno L
Turn from: http://www.swmsn.net/a/sheying/2012/1122/704.html Photo by ...-wink-...We can often see some photos after the photo, especially the portrait, which is called the effect of having shallow depth, so what is the way for the novice to take this attractive photograph? is the equipment on hand enough? Let the author in this article one by one for everyone to answer it. Question: I only have a 18-55mm set of lenses, can I take a beautiful shall
appropriate? The author such suspense is certainly suitable! Whether straight, banner, Day view, night, indoor and outdoor, portrait with the king, 24mm is also a good partner. F5.6, 1/80sec, ISO, Av-mode, evaluative metering, REMOTE-FLASH1 F1.4, 1/1600sec, ISO, Av-mode, Partial metering, No-flash 5. Large amount of light, favorable for the dark position focusing The amount of incoming light directly affects the camera focus response, especially in the dim light of the ind
Give the photographers a detailed analysis to share the Canon 5DMarkII camera photo of the whole body Street portrait of the tutorial. Tutorial Sharing: Shooting data: EOS 5D Markⅱ EF 400mm f/2.8l is USM Aperture priority automatic exposure (f4,1/1250 seconds) Exposure Compensation: -1ev ISO 100 White balance: Automatic When photographing a body portrait, the focal length of the lens is important for the virtual background. This is because the longer focal length can blur the background more ef
To the photography enthusiasts to detailed analysis to share the Canon 600D camera lens can and Canon 550D camera is not universal problem. Analytical sharing: Canon 600D lenses can be used on Canon 550D cameras. Because now only the camera brand and brand direct lens can not be universal, if you want to use only to buy the adapter. But a brand lens can be universal, only the full format camera can not use a non-full picture of the lens, the full p
be useful to some people, but they may not be required by other users. Because obtaining content from a remote data source requires bandwidth, this may have a negative impact on your Internet Bill, especially when you live in a region charged by traffic. For other users who are worried about security and privacy, it may not be a good idea to automatically search for remote sources locally. Some users just don't want commercial companies to display their products when they search locally. This s
heavy, B Represents boron, BA represents barium, l represents La, p represents phosphorus, N represents lead-free, for example, the BK7 prism widely used in the dual-tube telescope is No. 7th in borkron glass (borosilicate German; the brighter bak4 prism uses light Barium Crown, Which is baritleichtkron in German ). Other types include fluenton (FK), qk, zpk, ZK, TK, and QF) heavy Firestone (ZF), heavy barium Firestone(Zbaf), Firestone (kf), special Firestone (TF) and so on. In the Abbe diagram
photosensitive element to minimize image instability caused by jitter during use by the operator. Image Stabilization through the lens set is mainly represented by Canon and Nikon. They rely on a magnetic lens to enclose floating lenses, so as to effectively overcome Image Blur caused by camera vibration, this is more effective for digital cameras with large zoom lenses. Generally, the gyroscope in the len
, or directly import the pod file. Like a tree, cc3world can be filled with child, that is, all cc3nodes want to be added, and addchild: method is called directly. Update:-This function is similar. Generally, it is to update the location of a moving 3D object and process the object update. The following methods are not required to be overloaded, but are also very common: Addchild:-like cocos2d, add child to 3D world. AddcontentfrompodresourcEfile: addcontentfrompodfile:As the name suggests,
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