Nikon SLR Cameras

I have a Nikon 3100 but i need a lens?

Deep eyes
Deep eyes

I'm a dentist i need to take pic of my patents tooth… Where can i get a good ring flash and a nice macro lens…
I'm on a tight budget… For lens i can spend any were around 5k but if there's a cheaper alternative please let me knw

keerok
keerok

You might be better off with a Dental USB camera, one that you can connect to the computer and insert in your patient's mouth.

http://shop.ebay.com/i.html?_nkw=usb+dental+camera&_sacat=0&_odkw=usb+dental+microscope&_osacat=0&_trksid=p3286.c0.m270.l1313

Sprinter
Sprinter

5k Indian Rupees I suppose, not USD?
Well… To be honest you don't need a macro lens, there are some DIY tricks, using them you can get excellent quality macro shots, tricks such as using extension tubes, or using the lens upside down. Here is a video example of what you can do without spending anything: