I was T1i for a week now and after extensive use, here are my thoughts:
1. 15.1 megapixels. Yes, the high number of megapixels is impressive, but keep in mind that when you approach the higher resolutions, it is necessary to ensure digital SLR lens that can resolve many details. Unfortunately, the included 18-55mm IS lens is functional, but the high resolution really shows the quality of so-so lens. Even taking the right approach, images may appear smooth with this kit lens. I have photos taken with the Canon EF-S 17-85mm and EF 70-200mm L are sharp. I have no complaints about the quality of the image. There are some problems with noise at higher ISOs that do not normally appear in the Nikon digital environment, but overall, the quality is amazing for the price. Skin tones, textures, colors are reproduced with great accuracy.
2. DIGIC 4. DIGIC 4 is to process / save 15 megapixel images at once (if not faster) than the DIGIC III, XSi (even in RAW + JPG). I also noticed that at higher ISOs, the sensor and DIGIC 4 processor produces images with less noise in general compared to their predecessors.
3. LCD. The 920,000 pixel LCD screen is large (3 "), sharp and bright and totally visible even in bright sunlight. In comparison, the Canon XSi SLR (which replaces the T1i), also has a 3" LCD, but with 230,000 pixels. The viewing angle is so great and the LCD screen is easy to see around 180 degrees around.
4. ISO 12800. Canon and Amazon are the correct identification of the T1i maxes out at ISO 3200. Some operators are less respectable list ISO 12800, which should be ignored. ISO 6400 and 12800 configurations are expanded ISO settings. Images taken on these two values are pushed to ISO 3200 images 6400 and ISO 12800 by the DIGIC 4 chips before storing in the memory card. These images are very grainy and contain a lot of noise to be used only as snapshots or add an artistic effect for certain compositions.
5. Penta-mirror. Canon still uses a T1i is disappointing. The viewfinder penta-mirror is functional, but still noticeably darker than the penta-prism viewfinder of the Nikon D90 (which is the main competitor T1i). I really would have preferred to keep the sensor of the Canon XSi 12.2 megapixels, the loss of full 1080p video, and perhaps increased the cost of the camera a little to cover the costs of production by a penta-prism T1i . Honestly, unless massive crop your images, or create large images, the difference between 12.2 and 15.1 megapixels is really insignificant.
6. Size. This is the same as the XSi body, and therefore a bit on the smaller side compared to other digital SLR cameras. I have small hands, so the T1i is comfortable for me. If you have large hands, I can see that this is a very difficult camera to use for a long period of time. If you have not handled a Canon XT, XTi and XSi, I suggest you go to a store and maintain T1i before buying online. (I can send a photo T1i in my power to see a gallery of user for size reference).
7. High Definition Video. Yes, Canon's marketing department took a horrible marketing decision and pushed the limit on the record shelves T1i 1080 at 20fps (frames per second). Recognize this as a marketing gimmick that allows them to place a sticker on the 1080 box camera. 1080p @ 20fps is fine for the most part, but it seems that if you have a busy a lot of action on the frame or frame quickly. Video is recorded T1i 720p at 30 fps and is clean, smooth, and sufficient for all but the most demanding consumers. A major criticism is that although the sound is recorded in mono, and there is no input for an external microphone.
A lot of pre-production T1i comments criticizing their inability to auto focus automatically during recording. I would not put much weight on this review, mainly because none of the other two SLR cameras with HD recording capabilities (Canon 5D Mark II and Nikon D90) can automatically autofocus while shooting anyone. What can be done with T1i is pan / zoom and press the AE lock button (*) to auto focus camera in the new edition (all during recording). One problem with using the AE lock button for the auto focus camera is the microphone of the camera is on the front left upper body near the lens mount. Therefore, the lens motor noise is to collect all sounds. Even with my Canon USM silent (ultasonic motor) lenses, engine noise is too loud when playing video. Although, remember, you can always manually turn the focus ring on the lens to the subject again in focus. Not easy, but after a little practice, it is very difficult, either.
Ultimately, you should not let the limitations of recording high-definition control one way or another. This is an SLR camera - not a video camera. High definition video is a great feature, but if you're looking primarily for taking video, look elsewhere. They are not much better, cheaper video cameras out there that can record 1080p.
8. The record button. For some reason, the video record button is next to the LCD (the same button used for direct printing). The first few times you take video, you will find the shutter button to take pictures using intuitive. The reason for this option is that you can take a photo while recording video, although it will stop recording.
9. Battery. My first fully charged battery lasts about 250 shots (without flash), but all charges and gave me the range of 500 to 700 shots per charge. I guess the first charge was short-lived, because I spent a little time to learn the camera menus and settings.
10. Live View. Honestly, I can not analyze this as I have not used it much yet - I prefer to use the viewfinder. One feature that I can say is good is that, in the LCD display, digital zoom (10x) in a section of the outlet to make sure it is properly focused. This, and the right approach can really help if you are into macro photography.
11. An HDMI cable. The T1i has an HDMI type C in the body that allows you to directly view pictures and videos on an HDTV. One minor criticism is that the type C HDMI cable is not included in the box. You have to buy separately. Would have been nice if included, as there is a cable expensive.
Conclusion. The T1i is some light at the end but the building still feels solid. According to the price of the camera, it would be hard to find any digital SLR camera to be given all the resources and the growing range of Canon T1i. The camera is intuitive enough for beginners on the picture to choose and learn easily, but configurable enough for amateurs. If the video is not a big problem for you, then get the Canon XSi. There T1i very little (except for ISO 3200 and a clear screen) that the XSi does not. Moreover, with the launch of the T1i, you can probably get an XSi used for a great price on eBay. My wife recently gave birth and I'm not looking for endless recording (not to be seen) video tapes of our son, but I minutes several clips from it as it grows over the years. I've always been more inclined to photography, so this gives me a very versatile digital SLR camera that I have the wonderful ability to record HD video I want.
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