Canon EOS 5D Mark II Custom Function 3: Autofocus and Drive

Overview

• Focus on customizing autofocus (AF) and drive settings on the Canon EOS 5D Mark II.
• Custom functions help enhance shooting efficiency and accuracy, especially in challenging situations.

Key Custom Functions

1. Lens Drive When AF Impossible

• Options:
  • Continue to Hunt: Lens tries to find focus.
  • Do Not Bother: Stops trying to focus in low light or low contrast situations (e.g., plain white wall).
• Focus relies on contrast and light.

2. Lens AF Stop Button Function

• Customizable functionalities:
  • Start AF
  • Auto Exposure Lock
  • Switch AF Points
  • Switch from One Shot to AI Servo
• Applicable mostly to high-end telephoto lenses with additional buttons.

3. Autofocus Point Selection Method

• Options:
  • Normal Mode: Use quick dial/joystick to select AF point.
  • Multicontroller Direct: Directly uses multicontroller for AF point selection.
  • Quick Control Dial Direct: Uses quick control dial for continuous AF selection.
• Preference: Depends on shooting style (e.g., static vs. moving subjects).

4. Superimposed Display

• Red AF Confirmation Lights:
  • Can be turned on/off to show selected AF point.
  • Useful for avoiding poor AF points.

5. AF Assist Beam Firing

• When using Speedlights:
  • Provides contrast for focusing in low light.
  • Involves Canon models like 430EX, 580EX, etc.

6. Mirror Lock-Up

• For tripod use:
  • Reduces vibrations from mirror slap.
  • Recommended for long exposures and landscapes.
  • Note: 5D Mark II mirror is loud and aggressive.

7. AF Point Area Expansion

• Nine AF Points:
  • Center point is cross-type and most effective.
  • Expansion helps in tracking moving subjects.

8. AF Microadjustment

• Adjust focus precision:
  • Corrects front/back focusing issues.
  • Different adjustments for different lenses.
  • Use tools/software like Focal for adjustments.

Conclusion

• Menu navigation and personal settings are crucial for optimizing the camera's performance.
• Interaction: Questions and feedback are encouraged for further assistance.

Community Engagement

• Encourage sharing and discussion in online communities for collective learning and support.