Because the lens is one of the most important parts of the camera, you must make sure you take good care of it at all times. There are many different types of lenses and trying them all out will give you the knowledge and look you may require. Some camera shops will rent lenses to give you a good feel for them before buying. There are various accessories available to protect the lens and to help you use it with more ease. There are also items available such as lens hoods that will give you better end results while enjoying photography. There are proper carrying cases and cloths to clean your lens. You can also get mounts and adaptors for them which allow you to attach your lenses to different cameras. If you take good care of your lenses they should last you for years. Accessories for lenses can be bought from about $10 to several hundred.