I'm using a Nikon D3100 with a 52mm professional hd dslr MC AF 0.45X wide angle W/ Macro?

When i zoom in a little i get the tunnel affect, how can i get rid of the tunnel affect?

Added (1). What kind of lens should i get to get rid of the effect? Also the price should be reasonable because i don't want to spend that much on a lens, i'm just a beginner photographer

The only way you can get rid of that is by purchasing a real lens for your camera instead of a junk screw on lens.

Go to the Nikon website and look at the wide angle lenses available for your camera. I don't know what you think a reasonable price is for a camera lens, but a good (not even great) lens for your camera will cost several hundred dollars.

Here are a couple choices:

http://www.bhphotovideo.com/..._AF_S.html

http://www.bhphotovideo.com/..._AF_S.html

If you don't want to spend much money on lenses, then you should not have purchased a DSLR.

If you can't afford a real fisheye lens, to get the best effects, use a semi-fisheye lens with wide to normal focal lengths. Just avoid zooming out too much. You're defeating the purpose of the semi-fisheye that way.

You should also know this is not a "professional" camera - it's a consumer level dslr. Professional cameras normally start at about $3, 500 and go up.