How to change aperture on Nikon Coolpix L110?

I have an assignment due where I need to take 2 photos of the same subject with more depth and less depth of field. How do i do this on my nikon?
Added (1). I read the manual page by page and i cant find it.

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Why does my camera take grainy pictures?

I have a coolpix S220 camera and whenever i take pictures especially indoors they come out grainy. Is there any way I can fix this?
Please Help.

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Please tell me which is better - Nikon Coolpix S9700 or Panasonic Lumix DMC-ZS35?

Please tell me which is better - Nikon Coolpix S9700 or Panasonic Lumix DMC-ZS35?

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Nikon Coolpix L820 flash not working? - 1

I recently got the Nikon Coolpix L820 and everything was working well at first but then the flash stopped working. There's no red light to show that it's charging the flash and when i press the flash button it says "raise the flash", so i raise the flash but then when i press the flash button to turn it on, the options to turn it on don't even pop up on the screen. I was so excited to have this camera but now I'm really mad that this flash isn't working. Help?

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Cheap professional camera?

Now I know you'll say "professional cameras aren't cheap" and I know that, I just mean one that is less than 400 dollars. I'm a high school student and I plan to take photography class next year and get into photography. I just want one that takes high quality pictures. I do not want the Nikon CoolPix if anyone were to suggest that, I don't like the quality of it and I don't really want a point & shoot camera. And if there are none that are good quality under 400 dollars, tell me the cheapest one that IS good quality and I'll just have to wait longer to get it I suppose. Just try to understand I'm in highschool and I work in a grocery store.

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How to change shutter speeds on Nikon Coolpix l830?

I'm going to do a science fair experiment about measuring skyglow, but I need to be able to change my shutter speed to 30, 15, 8, 4, 2, 1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500, and 1/1,000 sec shutter speeds.

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I have a Nikon Coolpix L830 camera, and I don't know how to increase the brightness on it?

I have a Nikon Coolpix L830 camera, and I don't know how to increase the brightness on it?

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Nikon Coolpix L810?!

how do I make my camera take pictures by itself? Like automatically while I'm standing away in front of it?

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How to manual focus with the Nikon Coolpix P500?

Can anyone give me step by step instructions on how to manual focus with the Nikon Coolpix P500? I tried following a tutorial on YouTube but the pictures came out extremely dark for some reason- can someone tell me what I'm doing wrong, and how to manual focus properly? Thanks.

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Why can't I find the Nikon DSLR-80 camera in any NYC stores?

I'm beginner at photography and I want to take picture of scenery and buildings… D80 seems like the perfect camera for me… But I can't find it in any Best Buy stores or P. C.Richard and Son stores… Why is that? If I cant find the D80 camera will it be alright to get the Nikon Coolpix P90? I prefer a nikon camera.
Added (1). How long has the D-80 been discontinued?

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