Practical exercise
How to avoid camera shake: try it yourself

1. Shutter Rule
Set shutter to 1/focal length (e.g., 50mm → 1/60s min).
2. Lean Support
Rest elbow on table; shoot at slower shutter (e.g., 1/15s).
3. Breath + Click
Exhale slowly; press shutter at end of breath.
4. String Stabilizer
Tie string to camera; step on end; pull taut for stability.
5. Self-Timer Test
Use 2-sec timer; avoid shake from pressing button.
