Canon PowerShot S90 Digital Camera (10 Megapixel, 3.8 Optical Zoom) 3.0 inch LCD
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While it fits fine in a purse or coat pocket, for front pants pocket carrying it is not the smallest camera you can take with you. lens, then the ISO range from 80 to 3,200, and finally the Canon S90's DIGIC 4 processor does quite a job on the raw file before saving it as a JPEG. As you can see in the above examples, the S90 is usable in low light from ISO 80 and all the way up to ISO 1600. Perhaps more predictably, point-and-shoot user friendliness on the S90 comes in the form of the fully automatic face detection, motion detection and Smart Auto scene detection technologies regularly found on Canon's snapshot compacts. In the high-end compact camera market, its main competitor is the Panasonic Lumix DMC-LX3 (and the Lumix's sister camera, the Leica D-Lux 4);  one significant difference being that the S90 is significantly slimmer due to the fully collapsible lens, hence more portable.
The front ring is indeed charming, and works reasonably well with most settings, but it can be assigned to too many tasks.
As we've found with nearly all Canon's semi pro compacts to date, when it comes to image quality there's very little to take issue with, aside from the fact that colours can feel a little cool when left on the camera's default settings, and, at maximum wide angle setting, some barrel distortion is evidenced, most prominently in our white brick wall test shots - along with softening of detail towards the corners. Other advanced options include exposure bracketing and focus bracketing that will take one photo at a manual focus position and then one each at preset positions nearer and farther; manual white balance correction; and raw or raw plus JPEG capture. Or, maybe you already were happy with the cameras you had and had a list of cameras one day you'd like to try for fun. The base of the camera meanwhile features a screw thread for a tripod attachment just left of centre and a sliding door with catch protecting slots for the provided lithium ion rechargeable battery and optional SD/SDHC card, both of which slot relatively easily into place. I had a heck of a time trying to keep the Canon S90 from blowing highlights on a bright, but cloudy day, and adjusting the EV setting didn't make enough of a difference.
Using the included Canon software or a compatible 3rd party RAW converter, you’ll enjoy complete creative control in post-production with precise manipulation of shadows, highlights, color, and other image elements. No color bleeding or color shift to speak of, no banding, even though this is decent light (low kitchen light), I can tell this sensor performs well.Compact cameras have sensors so tiny that even at ISO 80 they are very noisy and use firmware noise reduction, which smudges over details. The low light mode is a new addition to the Canon range, boosting ISO up to an equivalent ISO12800, with the trade off being that resolution drops to a relatively lowly 2. Reproduction in whole or part in any form or medium without specific written permission is prohibited. The buttons are nearly flush with the body and everything's packed close together, which might upset some users.
Also, you can subscribe to my feed at the upper right of any page and be notified of when new reviews are posted! As I walked around shooting with the Canon S90 at an all-day family event, I kept remarking, "Man, this thing is frustrating. This suggests that the S90 can be used as readily by beginners as more seasoned digital camera users, the variety of shooting options to be found on the mode dial allowing first timers to move beyond their initial comfort zone as familiarity with the camera's workings grows over time. Unlike the Canon G11, Manual focus works well enough when objects are close, like your desk, but not very well beyond that.What the S90 does have that's important is a choice between a smaller and larger AF box, something I've enjoyed on several Panasonic cameras, including the GF1.
Otherwise, the combination of the two rings is great and makes for swifter changes than you'll get on other compact cameras. There were some complaints about the S90's popup flash design, and its rear control wheel being too easy to turn. The iPhone 15 Pro Max stretches into new telephoto territory with its tetraprism design and 5x (120mm equivalent) reach. The CR2 raw files don't have this correction applied, so if you use non-Canon software, expect to see a load of distortion at the wide end which you will have to correct.I managed to enhance the luminance noise, but the chroma noise was so light that I got essentially the same result as I get from the LX3: crisp images with a nice grain pattern to them. The amount of tweaking available is great for a compact camera and the control layout makes it reasonably fast and painless. Had Canon included this nigh ubiquitous functionality the little S90 might have had it all - on paper at least. Yet, just because a new model comes out to replace an old one, doesn't mean an older model instantly becomes obsolete. There's a temptation to be disappointed with the Canon S90, mainly because our expectations are too high.