How Do I Back Focus A Camera Fitted With A Zoom Lens?

1.	How Do I Back Focus A Camera Fitted With A Zoom Lens?
Answer» This can be achieved by following these steps: Set the lens to full wide angle view. Set the physical FOCUS of the lens to infinity (clockwise viewed from the FRONT). Aim the camera at an object at LEAST 30 Meters away. Release the camera back focus mechanism. Adjust the back focus to OBTAIN OPTIMUM clarity. Zoom the lens in to full telephoto and focus on a nearby object. Keep this object in view as you slowly zoom out and if all is set correctly it should remain in focus (track). Secure the back focus mechanism. This can be achieved by following these steps:

Answer»

This can be achieved by following these steps:

Set the lens to full wide angle view.
Set the physical FOCUS of the lens to infinity (clockwise viewed from the FRONT).
Aim the camera at an object at LEAST 30 Meters away.
Release the camera back focus mechanism.
Adjust the back focus to OBTAIN OPTIMUM clarity.
Zoom the lens in to full telephoto and focus on a nearby object.
Keep this object in view as you slowly zoom out and if all is set correctly it should remain in focus (track).
Secure the back focus mechanism.

This can be achieved by following these steps:

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