Hello there, I need you guys to help me out here to find the correct lens. The image below is the steup for me to shoot the gemstones. And now I need the correct lens that can help me to get the img of the gemstone below at a good quality. This is a specially designed box that I bought and has the perfect lighting and other stuffs but the problem is. I cannot get a close shot at the gemstone below. If anyone can help me with the correct lens for my Canon 500D it will be great Here is the shot of the image below that I want it to be like. I need that clarity. I haven't acheived this great quality. The lens I have now is a normal 18-55mm canon lens that comes with the camera. Can anyone help me with this?