I'm pretty new to photography, i have had my Nikon D40 for about 9 months and i don't really know how to properly use all of its functions. But until now i've been happy enough just snapping away and editing on my computer. However, recently i have noticed that when i try to take a photo very close up, either zooming in or just getting really close to what i'm photographing, my camera wont let me take the picture! I hold down the button to take the picture and my camera sort of focuses then unfocuses and then does nothing. As i said i dont know how to use all the cameras functions or change settings, that kind of stuff, so i dont know if there is something i can do or change to help me with this problem? Does anybody have any ideas?
Btw, the camera is in top condition and the lense is 18-55mm, do i need a different lense?
Thanks