TODD VORENKAMP, EXPLORA:
Many interchangeable-lens cameras, be it DSLR or mirrorless, are sold today with what we call "kit" lenses. Current kit lenses, in general, thanks to computer technology and advanced manufacturing techniques, are more capable and of higher quality than those of yesteryear. However, many of us who use interchangeable-lens cameras feel the gravitational pull of other lenses that are not yet in our bags.
Adding lenses to your quiver is all about choices and selection and, in photography, we often find ourselves at a sort of "gear crossroads." The first crossroad is during the initial purchase of a camera: what brand, how many megapixels, which kit, etc. The next is when we debate which lenses to add to our camera bags or, to not add lenses at all.
Read more, here.