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General| Image stabilizer | No |
|---|---|
| Fixed focal length | 24 mm |
| Maximum aperture number | 22 |
| Minimum aperture number | 1.4 |
| Closest focusing distance | 0.25 m |
| Number of diaphragm blades | 8 |
| Lens structure (elements/groups) | 13/10 |
| Magnification | 0.17 x |
| AF actuator | USM |
| Product color | Black |
Weight and Dimensions| Length | 86.9 mm |
|---|---|
| Weight | 650 g |
| Diameter | 93.5 mm |
| Filter size | 77 mm |
Highlights the lens's high-performance wide-angle capabilities, including aspherical elements, SWC, and ultrasonic motor.
Explains symbols for warnings (malfunction/damage) and supplementary notes for usage.
Warns against looking at the sun and leaving the lens exposed to direct sunlight to prevent eye damage or fire.
Provides advice on preventing condensation and damage from excessive heat or cold environments.
Identifies and explains the purpose of parts like focus ring, distance scale, and mount index.
Instructions for safely attaching and removing the lens, including contact care.
Guides users on switching between autofocus (AF) and manual focus (MF) modes.
Explains how to use the infinity mark to compensate for temperature-induced focus shifts.
Details on using the infrared index for focus correction with monochrome infrared film.
Explains how the depth-of-field scale indicates the zone of sharpness and its relation to F-values.
Instructions for mounting the EW-83K hood to control flare and protect the lens.
Information on attaching filters, including the use of polarizing filters and attachment limits.
Details on using Extension Tube EF12 II for magnified shots, including distance and magnification data.
Information on using a 500D close-up lens for enabling close-up photography and its magnification range.
Provides detailed technical data including focal length, aperture, dimensions, weight, and included accessories.
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