It was an aerial photograph that first drew my attention to the site - and not a very clear photograph at that.
And his 37 pages of detailed instructions and clear photographs are proof he really wants you to succeed.
During the early 1890s Ludwig was able to invent an interferometer which allowed for much clearer photographs.
In effect, a clear recording of that call would be as good as a clear photograph.
The paper comes after nearly two years of extensive searching in Arkansas by Cornell teams for a clear photograph or videotape.
What the critics want is an absolutely clear photograph and a bird that can be seen repeatedly by a variety of observers.
The challenge is not just to gather clear photographs of target areas.
The camera had to be capable of taking clear photographs in a wide range of light, from extremely bright to very low levels.
It was a clear photograph and Painter's eyes were staring straight at the camera.
After reading that, you want to study painfully clear photographs of the earth that holds so much so close.