What kind of lens is Nikon's three treasures of the poor?

Nikon 18-55mmf3, 5-5, 6G lens, Nikon 50mm 1 8D lens, Nikon 50mm/1,8G lens. The main feature of Nikon's poor Sambo is the cheapest, but it was later rated as "cheap and good quality" by some photographers, so Nikon's poor Sambo is also compatible with several lower-priced cameras of Nikon brand. 1 and Nikon's 50mm 1 and 8D lenses cost 799 yuan, which is one of Nikon's cheapest lenses. The focal length is 50mm, the filter aperture is 52mm, and the nearest focusing distance can reach 0,45 mm, which belongs to Quan Huafu lens and is compatible with all kinds of cameras with Nikon bayonet. 2. Nikon 18-55mmf3, 5-5, 6G lens, with a price of 799 yuan, is a short-focus camera of Quan Huafu type, with a focal length range of 18mm-55mm, a large aperture setting of f3, 5-5, 6 and excellent VR optical image stabilization capability. In addition, it uses stepping motor to drive the moving focus. 3. Nikon 50mmf/ 1, 8G lens, the market price is about 1499 yuan. This lens is equipped with SWM hydraulic autofocus motor, which has smooth, silent, fast and accurate focusing. This lens is designed with 6 groups of 7 lenses, including a highly filtered aspheric lens.