How to turn off the grid on the Nikon D3100?

I turned off my camera then i turned it back on and there was a grid there. Anyone know how to get if off?

См. статью: How to turn off the grid on the Nikon D3100?

Can I use a Tokina 80-200mm lens with a Nikon d3000 camera body?

I got an old Tokina lens from my grandfather and I'm not sure if it works/fits with my camera. I haven't gotten a direct answer from any site so far.
Any help is appreciated!

См. статью: Can I use a Tokina 80-200mm lens with a Nikon d3000 camera body?