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« on: September 21, 2013, 03:54:35 PM »
I work on the coastline of the Coral Sea. One of our buildings is approximately 50 meters above sea level, we have a telescope 60x magnification set there.
Now this is what I have noticed. When I look to sea on a day with 1 metre plus swell using only my eyes I can see the sinking ship, I look through the scope and nothing has changed the complete boat does not come into view its just bigger. Then on another day when the sea is flat like a sheet of glass I look carefully at the horizon only with my eyes and see nothing on the horizon I can then look through the scope and see a ship filling the whole lens and so clear I can see water breaking off the bow.
So on a mill pond sea with just eyes not just a sinking boat, but "no" boat, then with the scope full boat appears.
As I said just an observation.