This procedure applies to the initial calibration, subsequent calibration and in-use inspection of digital aerial photography instruments (including digital cameras).
JJG(测绘) 3401-2013 Referenced Document
GB/T 6962 Specification for aerial photography of 1:500 1:1000 1:2000 scale topographic maps
ISO 12233 Photography — Electronic still picture imaging — Resolution and spatial frequency responses*, 2023-02-17 Update