My wife cam home yesterday from a shopping trip and one of the little chatchkas in her haul was a paper thin magnifying glass. It caught my eye because it was literally as thin as a piece of paper, but acted just like a double convex lens when placed over objects. I'm guessing it's made from a hologram of an actual lens and I wonder if the same priciple could be used in a telescope objective.
Could the various aberrations of an achromatic doublet be canceled with a thin holographic element placed in an oil space between two elements?
Could the various aberrations of an achromatic doublet be canceled with a thin holographic element placed in an oil space between two elements?
Jim McSheehy
