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State the incident question
Where did someone move? Who entered? Which vehicle used the lane? Write the question beside the proposed camera on the plan before selecting a lens.
Check the actual scene
Distance, lighting, angle, weather and obstructions determine whether a view can answer the question. Review samples at representative times rather than relying only on resolution specifications.
Test retrieval with an operator
Find the camera by location, locate an event, confirm time and export under the approved procedure. Record blind spots and what the view cannot establish.
Working example: The scenario below is illustrative. It describes a practical design and review method, not a completed customer project or a guaranteed result.
A working scenario
A panoramic camera shows movement across a yard but cannot identify a person at the far gate. An operator needs distinct view objectives.
The decision to make before buying
State the exact incident question, subject distance, lighting, angle, privacy limit and retention for every proposed location. Separate overview from identification when one view cannot do both.
A useful acceptance test
Review an approved sample event at the true distance in day and night conditions with an operator, not only a manufacturer image.
What the owner should receive
Keep view cards, test frames, mounting coordinates, blind spots and reasons for any excluded area.
Questions owners ask
What is a view card?
A short, owner-approved record for one camera: its incident question, target area and distance, lighting, privacy exclusion, mount, retention and acceptance image. It prevents a broad overview camera from being mistaken for identification coverage. Update it when furniture, signage or vegetation changes the scene.
What if one camera cannot meet two objectives?
Split the objectives or explicitly accept the compromise. A wide lens helps context but reduces detail on a distant subject; a tighter view may leave no approach context. Test actual imagery at the target location before finalizing either choice.