
I bought a cheap screw-on lens online for my Nikon d5000. What kind of adapter lens do I need to be able to use it?

Why won't computer recognize Nikon d3000?
Today i went to plug in camera using usb cord and it won't show up on computer at all. I've never had problems with it in the past 2 years i've had it. Anybody have any idea on how to fix this?

Digital Camera Suggestions? - 1
I would really like the Nikon d3100, but unfortunately that is too big/expensive. Does anyone know of a digital camera that is similar to the d3100, or just have any recommendations in general?
Added (1). I currently have the pentax optio a10 which i STRONGLY dislike
If you were wondering, I use my camera for instagram

Auto Lens for Nikon D3000- wedding?
Looking for a good lens to rent for a wedding for my Nikon D3000. That will work in low lighting areas and give great images. Also I don't want anything that you need to do manual work with but still has auto focus and VR on it.

How to set my Nikon D3200 so it will take good motion shots?
I would like to take photo's of people out in the surf, riding bikes and running. I'm struggling to find a good set up.

What lens is suitable for Nikon D90?
New lens for my baby, Nikon D90 ;)
Added (1). I'm using a 18-105mm VR Kit-Lens. Would it be possible to mount non-NIKKOR lens to my D90?

I'm wondering if a Sigma 70-300mm will fit a Nikon D90?

Nikon D5100 Audio doesn't work?
I'm a little new at this camera stuff, and well, at first my audio worked fine, when I record videos and such. But now I just don't hear anything. Is there a volume bar on it? I never dropped it, or did any damage to it. I DID notice you can change the audio settings to Auto, High, Medium, or Low, but I still don't hear anything when I record, or when I playback the video. What should I do?

Canon for video and Nikon for Photo?
I've heard this a lot. I have a d3100 and i've noticed it takes great pictures but when it takes video it has noise(the speckles). I don't know if its because i have a starter camera or what. I'm hoping to upgrade to a d7000 soon

Does anybody know if the tamron 17-50 2.8 for nikon has a built in focus motor? How about the sigma 17-50, does the sigma have one? I'm concerned because i have a d5100, which doesn't have a built in motor.