To use the Pan and Zoom Feature, right-click on the camera timeline.
The FX block will appear. You can drag and stretch to your desired length and duration.
Click on the FX block to open the pan & zoom settings and edit the camera frame. Be sure to click Apply to save your changes.
Drag the blue box to shrink or enlarge the camera frame. You can freely resize and move the frame to the location where you want your zoom to focus.
The start frame will flow with the previous camera frame. However, you can click the unlock start to edit the start frame.
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