Setting the Lens

1.) Mounting and Detaching the Lens ( see your camera's instructions for details on mounting  and detaching the lens

2.) Setting the Focus Mode - To shoot in autofocus (AF) mode , set the focus mode switch to AF. To shoot in manual focus (MF) mode , set the focus mode switch to MF and focus  by turning the focusing ring.

3.) The focusing ring always works, regardless of the focus mode

4.) Infinity Compensation Mark - To compensate for shifting of the Infinity focus point that results from changes in temperature.The infinity position at normal temperature is the point at which the vertical line of the distance scale L mark is aligned with the distance index

5.) Image Stabilizer - You can use the image stabilizer in AF or MF mode

6.) Hood (Sold separately) - The hood can keep unwanted light out of the lens and also protects the lens from rain, snow and dust

7.) Filters, Extensin Tubes and Close-up lenses ( sold separately)

Specifications:

• Focal Length & Maximum Aperture...........24mm, 1:2.8
• Lens Construction.............................11 elements in 9 groups
• Diagonal Angle of View ....................84°
• Focus Adjustment.........................Rear focusing system with USM
• Closest Focusing Distance...........0.20m / 0.66 ft.
• Filter Size ......................................58mm
• Max. Diameter x Length, Weight.........2.69 x 2.19 in., 9.9 oz. / 68.4 x 55.7mm, 280g