3 ms·

Looks like your answer is about 3,000 feet. https://www.cbp.gov/newsroom/local-media-release/cbp-deploy-aerostat-nogales https://www.cbp.gov/newsroom/local-med

• dukeofdoom 4y ago
  Okay great thanks, so a consumer 1200mm lens can zoom upto 8 miles. But I guess under 45 degree angle, you would only get about 4500 feet horizontal range