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General| Lens type | Super telephoto lens |
|---|---|
| Component for | SLR |
| Zoom capability | Yes |
| Fixed focal length | 400 mm |
| Aperture range (F-F) | 2.8 - 32 |
| Lens mount interface | - |
| Maximum aperture number | 2.8 |
| Minimum aperture number | 32 |
| Closest focusing distance | 2.5 m |
| Number of diaphragm blades | 9 |
| Lens structure (elements/groups) | 17/13 |
| Lens coating features | Air Sphere Coating (ASC), Super Spectra Coating (SSC) |
| Maximum magnification | 0.17 x |
| Camera brands compatibility | Canon |
| Product color | Black, White |
Weight and Dimensions| Length | 367 mm |
|---|---|
| Weight | 2890 g |
| Diameter | 163 mm |
| Filter size | 52 mm |
Information on using the latest camera firmware for optimal lens performance.
Explains symbols used in the manual for warnings and supplementary notes.
Details risks that may result in death or serious injury, such as looking at the sun.
Details risks that may result in injury or damage to other objects, like temperature exposure.
Guidelines for handling the lens in various environments, including temperature and condensation.
Identifies and locates various switches, buttons, and rings on the lens body.
Step-by-step guide to securely mounting the lens onto the camera body.
Instructions for safely removing the lens from the camera body.
Details on how to thread and secure the lens strap to the strap mount.
How to use the focus mode switch for AF and MF, and electronic focusing ring behavior.
Explains how to limit the focusing distance range using the selector switch.
How to temporarily pause autofocus and maintain focus distance using AF stop buttons.
Steps to preset a single focusing distance and shoot at it using the playback ring.
Instructions for presetting two different focusing distances and shooting at them.
Details on beep sounds, error conditions, and memory retention for focus presets.
How to use the playback ring for smooth focus changes, especially for movies.
How to select manual focus speed using the switch and its relation to camera settings.
Explains the three IS modes and their suitability for different shooting scenarios.
Visual examples and conditions for using IS Modes 1, 2, and 3 effectively.
Details limitations, power usage, and specific conditions where IS might not be fully effective.
Instructions for mounting and removing the lens hood, including reverse mounting for storage.
How to attach the lens cap to the lens and the hood for protection.
Method for reverse-mounting the hood and attaching the lens cap for secure storage.
Instructions for packing the lens securely in its case with cushions and straps.
How to attach tripods/monopods and rotate the camera/lens for different orientations.
Location and use of the security slot for attaching a wire-type security lock.
Procedures for removing and inserting the filter holder into the lens slot.
Important notes on using PROTECT filters and compatible third-party filters.
Details on focal length, aperture, and magnification when using RF1.4x and RF2x extenders.
Technical details including focal length, construction, weight, and compatible accessories.
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