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Help me decide - Critique request.

Thanks for all of the helpful suggestions guys. Can you point me to an online "how-to" that can explain in beginner's terms how and why I would use Av vs. Tv vs. M vs. P? Thanks again, I'm learning a lot.
 
I learned a lot just reading and interacting with other photogs on http://www.dgrin.com/ which is a photography forum associated with Smugmug.

EDIT: Stay engaged right here on EXPO in the photography section and ask questions. There are several outstanding photographers that are happy to share their skills and are active contributors right here. :elkgrin:

From my perspective this is how I use those function settings.

AV = Aperture Priority I use this 80% of the time. You set the F-stop for the aperture setting you want and let the camera figure out the exposure. You still have control over your ISO setting if you need to tweak it for the conditions. Closed f-stops like F.16 for landscapes with large depth of field - open f-stops like F2.8 - F5.6 to narrow your focus depth of field to make a subject focus pop against a blurred background or you just need to be that open due to low light conditions.

TV = Shutter Priority I use this when the shutter speed is critical like when shooting moving wildlife or sports. Set as high a speed as the light conditions allow and let the camera figure out everything else. In this mode the camera will drive the ISO way up if it needs to to keep the set shutter speed so pay attention to that if you don't want the noise from high ISO settings.

M = Manual (duh) I only use this when doing night shots and I need to control long exposures (some cameras have separate "Bulb" setting for longer that 30 seconds).

P = Program Don't know, I never have used this one. :sombrero:
 
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For the Canon S100, the available aperture is f2.0 - 5.9. So does that mean that it will be difficult to take strong landscape photos?

If that is the case, how would the Fuji X10 be able to shoot anything besides portrait shots with a maximum aperture of f2.8??? I ask because I am still considering returning the S1200 in favor of the X10... I've provided links to the spec sheets of both below.

S100
http://www.dpreview.com/products/canon/compacts/canon_s100

X10
http://www.dpreview.com/products/fujifilm/compacts/fujifilm_x10
 
What you are seeing in the specs is called the maximum aperture of the lens. Click on the ? off to the right of that for the description. This does not mean those are the only aperture setting you have on the camera, only how much light the lens brings in across it's zoom range. So the X10 has a "faster overall lens" that will pick up a bit more light when zoomed in, than the S100.

Both cameras will have aperture settings from F2.8 to F.22 or possibly more.
 
P mode is the one I use the most. In Program mode, the camera tells me what it thinks is best, and lets me modify one variable, either shutter or aperture depending on which dial I twirl. Think of it as choosing blur for motion (Shutter), or blur for depth of field (Aperture). If I tweak the Aperture, the camera adjusts all the other values to more or less produce what I want. HOWEVER, you still want to play with ISO. Just think of old film. High ISO for low light, and low ISO for bright lighting...although I have found this to be not necessarily true with my Canon's, they don't really like anything lower than ISO 200 without adding filters to the lenses to control the light. I have no idea what the X10 allows for controls, so it may differ quite a bit from the above.

Scott Kelby has some excellent books and/or DVD's on digital photography, from beginning to advanced. I highly recommend them: http://kelbytraining.com/store/books
 

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