Introduction 1IntroductionThank you for your purchase of a Nikon D40 single-lens reflex (SLR) digital camera withinterchangeable lenses. This manual has been written to help you enjoy taking pictureswith your Nikon digital camera. Read this manual thoroughly before use, and keep it handywhen using the product.To make it easier to find the information you need, the following symbols and conventionsare used:LensAutofocus is supported with AF-S and AF-I lenses only. An 18–55 mm f/3.5–5.6GII ED AF-S DX ZoomNikkor lens ( 122) is used in this manual for illustrative purposes.1. Focal length scale 2. Focal length scale index 3. Mounting index: 84. Rear cover: 8 5. CPU contacts: 45 6. A-M mode switch: 8, 287. Zoom ring 8. Focus ring: 28 9. Lens capThis icon marks cautions, information thatshould be read before use to prevent dam-age to the camera.This icon marks tips, additional informationthat may be helpful when using the camera.This icon marks notes, information thatshould be read before using the camera.This icon indicates that more information isavailable elsewhere in this manual or in theQuick Start Guide.This icon marks settings that can be adjustedusing camera menus.This icon marks settings that can be fine-tuned from the Custom Settings menu.