Choosing the right lens is an important part of getting the results you want. The two most important things to consider are ‘Focal Length’, and ‘Depth of Field’. (and lower) have the widest focal lengths and are considered wide angle lenses.
On photographing sea shells. TOG didnt’t have a soft box, but came up with this really simple trick and it’s an elegant (and cheap and handy) solution for small objects/macro. Cut the bottom off a white plastic cup, and presto! You have a soft box.