30Mounting and Detaching a LensMounting a Lens1 Remove the caps. Remove the rear lens cap and the bodycap by turning them as shown by thearrows in the diagram.2 Attach the lens. Align the red dots on the lens and cameraand turn the lens as shown by the arrow inthe diagram until it clicks in place.3 Set the focus mode switch on thelens to 〈AF〉. If the focus mode switch is set to 〈MF〉 (or〈M〉 on older lenses), the autofocus will notoperate and 〈 〉 will be displayed on theLCD panel.4 Remove the front lens cap.Detaching a LensPress and hold the lens releasebutton, and turn the lens as shownby the arrow in the diagram. Turn the lens until the index mark is at thetop, then remove it.Lens mount index Because the EOS D30 has a smaller sensor area thanthat of a 35mm-format camera, the angle of view of allEF lenses is changed. The effective focal length of alllenses is increased by a factor of 1.6, eg a 50mm lenshas approximately the same angle of view as an 80mmlens. AF stands for autofocus. MF or M stands for manual focus. Be careful not to lose the lens caps or body cap.EOS D30 image field(22.7 × 15.1 mm /0.89 × 0.59 in)35 mm image field(36 × 24 mm / 1.42 × 0.94 in)
