If a "DSLR-like" camera only has F2.8-5.0, what does that mean for my pictures?
I was looking to buy a DSLR, and for some reason the Pentax X70 Digital Camera was in that category. It looks like just the type of camera I need—I'm only a beginner—but the only concern I have is that the F Stops only go from F2.8-5.0.
Aperture has always been my weakest point in photography, but I understand that the lower F Stops create a focused foreground and a blurry background.
So what does that mean for my pictures?
Are all my pictures gonna have a shallow depth of field?
What if I wanted a deep depth of field?
Also what does that mean for landscape pictures?
I know I can still take landscapes, but will the focus be different?
Here's a review for the camera if it helps
http://www.dpreview.com/news/0903/09030204pentax70superzoom.asp
> the only concern I have is that the F Stops only go from F2.8-5.0.
They don't. Those are the maximum f-stops at either end of the zoom range. When you're zoomed out, you can't open the lens any further than f/2.8. When you're zoomed in, you can't open the lens any further than f/5.0. You can of course stop it down once you're there.
> Aperture has always been my weakest point in photography, but I
> understand that the lower F Stops create a focused foreground and a
> blurry background.
They do, but aperture is only part of the equation. Equally important is focus distance and focal length. Since the X70 uses a sensor that's much smaller than a 35mm film frame, it needs to use much shorter focal lengths to obtain equivalent 35mm angles of view. In practice, this means you will have truly massive DOF whether you want it or not: Good for landscapes, but not so good for portraits.
> I know I can still take landscapes, but will the focus be different?
Compared to, er, what? The difference in working DOF between a DSLR and "DSLR-like" is night and day. DSLRs have less in almost every practical situation. It's part of what accounts for the "look" of an image you get with a DSLR, and can't be easily replicated with a point-n-shoot.
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