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Originally Posted by phoenixbebe
they both have 6.3 MPs...
in ur opinion which one is better...and what are the differences btwn them besides the F20 having image stabilization?
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Let's back up a moment here to make sure that you aren't misled.
"Image stabilization" in the traditional sense is achieved by the movement of lens elements inside the camera, to compensate for the movement of the user's hands holding the camera. What this does is allow you to take handheld pictures at slower shutter speeds without blur due to camera movement. Some Canon and Sony cameras have this feature, as well as all current Panasonic models. Keep in mind that IS does nothing to prevent blur due to subject movement.
What Fuji uses instead, is what they call "picture stabilization". Both the F20 and F30 lay claim to this feature; it isn't unique to the F20. This, in my mind, is a misleading term. It does
not work the same as image stabilization. What it actually refers to is high ISO capability. Setting the camera to a higher ISO (800, for example) means that the camera is, in effect, more sensitive to light, so it doesn't need to resort to using a slower shutter speed to properly expose the image. Using a faster shutter speed will either eliminate, or greatly reduce the possibility of, blur due to camera shake. And, unlike "real" IS, it can prevent or reduce blur due to subject movement. In most compact cameras, though, high ISO = images with lots of noise and fuzzy detail. Not so with the F20 and F30 (and the F10 before them); they manage to retain good image quality up to ISO 800 and okay quality at 1600. ISO 3200 is only available on the F30, but the quality is not good and should only be used as a last resort.
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Which one takes better pictures?
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I think that the image quality would be very similar. The main differences between the cameras is that the F20 has a maximum ISO of 1600 (or 2000 when using Auto ISO), has a shorter battery life, and doesn't have manual control over aperture and shutter speed. I find the manual controls useful to achieve certain effects in photos that would either be very difficult or impossible with a camera that makes those decisions for you. But for casual snapshooting, you probably wouldn't miss them.
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also, are xD cards better than Compact or regular SD cards?
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As a matter of fact, a lot of people have grumbled over the fact that Fuji cameras use the xD format. The number one complaint is that it is an uncommon format (used only by Fuji and Olympus), so if you have owned a different brand in the past, you'd have to invest extra money in xD cards if you buy a Fuji/Olympus camera. This leads to the the next complaint, which is that xD cards are usually more expensive than SD or Compact Flash. I've read comments by some people that xD doesn't perform as well as SD in the speed department. This might be true in general, but I've found the F30's performance to be quite snappy, and is only sluggish when it comes to deleting photos (which you can do much faster when the camera is connected to your computer, anyway).
Stephanie