What subject should I choose when calibrating manual lenses?

When using a calibrating manual lens aim at diffused or highly reflective surfaces such as cement walls, unpainted wood, or unpolished stone. 

Avoid glass or metal surfaces or pure black areas.


This answer was generated from information sourced from the following pages:

heliguy™ Knowledge Base

Learn everything from basic drone terminology to advanced UAS concepts and best practices.

Ask a Question