choosing lens

Hey there guys. I'm a small business owner, and I'm having real trouble presenting my products online, due to a poor quality images. I hired a professional photographer twice so far, but since I'm outputting new lines of products weekly, the expenses for a photo session add up to ridiculous...

I got my first DSLR a few months ago, it is a Nikon D5200 and it came with the 18-55mm kit lens that Nikon puts in all their camera combos. I have yet to purchase a second lens as I wanted to get to know the camera and learn to use the kit lens. Well, five months onward, I've got a pretty good...