First of all, it doesn't have USM (Ultra Sonic Motor) and though having built-in AF motor, it is anyway VERY slow. And since telephoto lenses in general are for capturing high-speed events (like sport, running animals etc), its low-speed focusing makes it no good. Digital SLR Camera 18-55mm f/3.5-5.6 IS Lens
Monday, July 18, 2011
Canon EOS Rebel T3i 18 MP CMOS Digital SLR Camera and DIGIC 4 Imaging with EF-S 18-55mm f/3.5-5.6 IS Lens
T3i Canon Rebel digital SLR camera takes the level of consumption a little more than the average of the Canon 60D, with the addition of LCD rear-swing, triggering remote flashes, and the characteristics of the processing chamber. The already very competent older Rebel T2i has already shared with many important features (features and even semi-pro 7D) 60D including the 18 MP sensor, 63-zone exposure metering system, ISO high-performance capabilities of HD video and DIGIC 4 image processor. With these updates, you can make it difficult to choose between them. But there are some important differences.
If you are considering the rebel vs T3i T2i, the Rebel is to replace T3i T2i. Since both cameras share the same 18-megapixel sensor and DIGIC 4 processor, and both T3i T2i will create images with image quality exactly the same, produce the same low light / high ISO performance, shooting at 3.7 frames per second, and has almost the same size and build quality. Both are offered with the kit lens 18-55mm, even (with some cosmetic differences in the new kit lens T3i). The T3i is slightly larger and heavier due to the addition of the new LCD monitor rotation. And this is one of the biggest differences between the two chambers. You want and need from a variable-angle screen again or not? The other major difference is the ability to remotely control multiple T3i of camera flashes. Like the 60D and 7D can use the built-in flash to trigger other Canon Speedlites T3i. Some other minor changes include Scene Auto Mode Intelligent T3i, a feature taken from the point and shoot cameras. When in Auto mode, the T3i make a determination of what kind of scene you're shooting - close-up, portrait, landscape, etc. - and automatically configure the camera settings accordingly. However, if you want a digital SLR powerful and expensive point and shoot, you should probably save money and just buy a good quality point and shoot like the Canon S95. Additional updates, but it is essential to include the processing chamber creative filters, and can choose different image sizes and frame rate ratios. (Hint:. Press the Q, while the reproduction of images and you can access functions such as sorting, rotation and creative filters) There is also a Resource Guide of marginal utility which provides a brief description of various configurations video and some additional features like Video Snapshot, you can use to record video clips of short duration are automatically joined in a video with music.
T3i vs 60D vs Canon Rebel 7D
Quality and image sensor: The three cameras share a very similar sensor and megapixels 18, and so image quality is practically the same. All are capable of taking quality photos.
Exposure Metering: The three cameras all over the last 63-zone, dual-layer system for measuring exposure and four metering modes. This means that all of them to determine exposure and allow you to almost identical photos with proper exposure in most all situations, including difficult backlight scenes. The size of the areas measured partial metering and spot vary slightly between the chambers, but this is not critical.
Auto Focus: Parts T3i an autofocus system similar to the 60D, with 9 focusing points and three auto focus modes. However, the 60D 9 AF points are more sensitive than T3i: all are of the cross-60D, is only the center of the cross in T3i. The 60D's autofocus system is much less complex than the 7D sophisticated AF system, with its 19 point AF system and the additional area, Spot focus modes and expansion. These different modes of address you want to deal with the group and many AF points. Custom configuration allows you to customize how the system 7D AF works - such as matters of age, as they are objects that stand between you and your first issue, how quickly they respond to these changes possible topics who are at different distances from you, etc. However, if you're not an avid sports photographer, a wildlife shooter, or someone who understands the needs and use the resources of the system developed AF 7D, so this does not should influence.
Construction: As you can probably understand from the prices, each camera is not built the same. T3i The building has a stainless steel frame relatively strong, with body of polycarbonate. The 60D has a strong aluminum frame and lightweight polycarbonate body, but not as strong as the 7D construction of magnesium alloy. The 60D also has a certain amount of sealing time - more than T3i, less than the 7D. But for most users, even those who use the camera or in situations of commuting, the construction of any of these cameras is more than enough, strong enough and tough enough.
ISO: Since they all share a very similar sensor, ISO sensitivity and performance at high ISO settings is practically the same for all three cameras. But do not take my word for it, do not be swayed by pixel peeping Toms in the forums instead of seeing the evidence DxOMark sensor camera to verify this. As you can see, they all share the exact same score in general, and show very similar behavior.
Controls: As with construction, the buttons and controls vary from these cameras. Unlike T3i, the 60D and 7D in control most advanced photographers need a camera on the outside and also have the top LCD panel and Quick Control rear disc, not in T3i. With all the cameras, the controls are also easily accessible by the Q and Q-click menu or other menus in the back of the LCD monitor. The buttons above the 60D provide only one setting of each, so this is less complicated than setting the 7D several buttons. Canon removed the white balance (WB) on the 7D 60D has, but this is not a problem - use the menu Q. Another change in the 60D is the joystick of the multi-controller was moved from the thumb as the 7D and 50D and placed in the center of the rear control dial. That does not change the way it works, and should only be a matter of getting used to the difference. If you use the camera in Auto or Program for most cases, the T3i controls are more than adequate for your needs. If you work in Av, Tv or M modes and the need for faster access and more direct to the controls and LCD display to view and change the current configuration, then you should consider the 7D or 60D in T3i.
Menus and functions: allow more control over the customization of the functions of the camera. The T3i is less than the custom function menu and configuration options of 7D and 60D still has a bit more than the 60D. These options allow you to customize the operation, functions and controls work the way you want, including such things as increased exposure, correction of lens peripheral illumination (patches of dark corners), improving the way the Automatic focusing system functions, the more precise definition of white balance settings and customize the button does what. There are books, as my experience T3i Canon - Photographer's Guide to the operation and Image T3i With the Canon Rebel / EOS 600D and 60D World - Photographer's Guide to the operation and shooting with the Canon 60D guide through All menu settings and custom functions so you can set your camera to photograph better job than you, and also begin to learn to master all the advanced features, configuration and management of these digital SLR cameras reaching.
Wireless Flash: How the 7D and 60D, the T3i includes wireless flash photography. This allows you to shoot multiple camera flashes out at different production levels. The T2i not have this feature.
The articulation of the LCD: The big news has T3i T2i 7D and 60D and which is not the articulation of the rear LCD. This can be useful for photographers, as well as the creation of compositions, while the camera on a tripod to use macros, or the use of views unusually high or low. Some users will be able to avoid buying an expensive form of angle due to this feature. There is also an electronic level in the 7D and 60D, visible in the viewfinder, LCD or LCD rear top.
Screen: The screen has a T3i pentamirror 95% coverage of the actual image you get. The 60D has a large bright pentaprism viewfinder with 96% coverage is not as nice as the view of almost 100% of the pentaprism 7D.
Processor: The T3i shares the same DIGIC 4 of the 60D. The 7D has two Digic 4 processors. However, if you do not need to shoot dozens of images continuously, you probably will not notice any problems with processing speed.
Continuous shooting speed: The T3i can shoot 3.7 frames per second. The 7D can shoot a blazing 8 frames per second, the pictures just a change from frame to frame. The 60D can shoot 5.3 fps a respectable rate is actually more useful. If you need extremely high fps for sports, wildlife, photography or any other action, getting the 7D. If not, do not be fooled by overuse.
Memory Card: The 60D T3i and use of SD memory card. The 7D uses the CF card.
Battery: The T2i T3i and the use of LP-E8 smaller battery with less capacity than LP-E6 battery used by the 60D and 7D.
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