Canon EOS 550D or Rebel T21

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Canon EOS 550D or Rebel T21

Who the EOS 550D the first time holding in his hands will probably be amazed as the first on the brilliant LCD display with three-inch diagonal. With a resolution of 1040000 pixels and the appropriate photos for the image viewing 3:2 format is already on the camera for fun mice cinema. The iPhone screen has only 150,000 pixels on the other hand almost old fashioned.

In the outdoor enjoyment of the Live View function, however tarnished quickly: When the almost vertical midday sun of Egypt to see on the screen reflecting hardly anything. The optical viewfinder will be vital.


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Even more annoying is another weakness of the display: Despite careful handling showed itself after two days on the plastic surface of small, but visible scratches. A protective film is therefore advisable. And Canon should consider replacing the plastic cameras in future by scratch-resistant glass.

The operation of the EOS 550D is ergonomically as with the previous models. All buttons and controls are easy to use, the menu looks tidy. Anyone who has worked with a digital SLR (DSLR), will come after a short adjustment period with the EOS 550D enjoy very much.
Photos: Minimal noise, despite the increase in resolution

As with each new generation of amateur DSLR Canon EOS 550D is also in the resolution of the image sensor further screwed up in the air: the number of pixels is increased from about 15.1 to about 18 million. Ensure that the noise performance could have deteriorated by, but are unfounded. As has already shown our studio test, the noise remains even at high ISO settings very low. Compared to the EOS 400D with 10.1 Megapixel Canon has reduced the noise of the third follow-camera to a minimum.

The question whether the high resolution of the image sensor with current Einsteigerobjektiven even exploit it can, can, looking at the 100 – or 200-percent view of a photo to be answered on a computer: With the standard kit lens EF-S 18-55mm 1:3.5-5.6 IS remain crisp edges and lines in the image sharp. The quality of the optics seem to have enough reserves for even higher resolutions have. On the sense must decide each for himself

The EOS 550D offers by default an ISO range of 100 to 6400 and is expandable to 12,800. This large area, together with the Auto-ISO feature and the generally excellent noise performance in highly variable lighting conditions in the Egyptian temples as a blessing. In semiautomatic mode, the camera ISO speed, aperture and shutter speed in fractions of a second is always so that the noise is as low as possible and still images are blurred only in rare cases. Compared to the EOS 400D makes itself when using the EOS 550D actually felt a much greater yield of low noise and sharp photos. Some critical shots in a particularly dark alleys would have been the ancestors of the 550D is hardly possible.
RAW mode: Waiting for the freedom

Like all DSLRs made by Canon, the EOS 550D offers the possibility of photos in RAW format CR2 store. Raw images offer in post at the computer know much more freedom and opportunities as images in the JPEG format. As usual with new generations of cameras, software manufacturers need but a few weeks to support the latest version of the RAW format. To test date, those RAW images of EOS 550D are displayed only with Canon’s proprietary software and processes. Meanwhile, Adobe has made all the photo-fit applications. Users of Apple’s iPhoto or Aperture must wait, however, continued, can currently only display thumbnails of RAW files.

Negative is also significantly increased the memory footprint on the RAW images: The increased resolution and color depth shows a CR2 file of the EOS 550D is now an average of 25 instead of “only” 9.5 megabytes of the EOS 400D. Unfortunately, Canon omitted for its entry-level cameras in the sRAW or mRAW mode with reduced resolution and thus lower memory requirements. These modes remain the more expensive cameras Reserved.

Very well the automatic vignetting correction for Canon’s own EF lenses. Darkened corners are a thing of the past. Unfortunately, this works only in JPEG mode. be made up at RAW images must be corrected on the computer – either automatically in Canon’s Digital Photo Professional “or manually with third-party software.
Video: Stony path to high-gloss film

Thanks to high quality camera lenses and the large image sensor (22.3 x 14.9 mm), which pretty much corresponds to the usable surface of the 35mm feature film (about 22 x 16mm), with the EOS 550D impressive shots with shallow depth of field possible.

As with the RAW photo mode, you have to do, however, taken even in HD video on one or other nasty surprise. The EOS 550D features in 720p (50/60) and 1080p (24/25/30) on each – at a bit rate of 45 megabits per second. For a minute video is thus required almost 340 megabytes of memory. The 16-Gibabyte memory card is thus fully in less than a forty-five minutes.

In live operation, the user must also work with some limitations compared to camcorders. From the zoom or autofocus should be allowed during the recording, be sure the finger. The change of focal length is very hesitant when Kitobjektiv possible not to use the auto focus while recording practical. Who wants to manually change the focus, needs a very steady hand, or rather a stable tripod.

The disadvantage is that we must be switched to video via dial in special video mode, and this is only possible in Live View mode. Spontaneous pictures are then still possible, but also just across the display.

Shoot the photographer during the video shoot is a photo, the video system-stand for a second. There is also the limited write speed of SDHC Class 6 card is noticeable that Canon recommends a minimum: stop later after receiving a RAW photos during video recording, the camera a short time recording. If you want weiterfilmen even after the photo shoot, thus requires either a faster memory card or must content themselves with the JPEG mode.

The image stabilization of Canon’s Amateurobjektiven can eliminate slight camera shake well to make in areas of high focal length but the smallest shake strongly felt.

The integrated Monomikro made in the Hamburg operation nor a good impression. Outdoor use a little wind but quickly took care of strong noise. An external stereo microphone that can be mounted in the hot shoe can avoid this and ensure a much better impression of spaciousness. The new micro-added input is therefore for amateur filmmakers a great addition.

Among the links, a compilation of various recordings as a QuickTime video can be downloaded.
Conclusion recommended: Despite slight restrictions

The image quality of the EOS 550D is excellent both in photos and in videos. For universal film and photo machine still lacks – as well as other DSLRs – the necessary ergonomic handling. Also because of a restriction, it can replace not a conventional camcorder in full: The maximum recording length is due to provisions of the duty on 29 minutes and 59 seconds limit, in HD mode because of the limitations FAT32 file system, even at only about 12 minutes or 4 gigabytes size. For high quality “Bewegtfotos” the camera is ideal for the complete recording of the two-hour thus school theater is not. Who can live with it, can the current street price of around 650 euros safely access.


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