[crazy][daydream] EM receptors modeled after the human eye

Undescribed Horrific Abuse, One Victim & Survivor of Many gmkarl at gmail.com
Wed Dec 13 18:32:43 PST 2023

usually they are designed to focus parallel radiation from an effectively
> infinitely distant source in outer space (with a parabolic shape). they can
> instead be designed to focus emission from a specific arbitrarily located
> relative fixed point at a specific arbitrary distance (with a spherical
> shape). the two curves are physically similar but focus differently.

i looked this up a little and it is not correct. spherical mirrors are used
to approximate parts of parabolic mirrors. an ellipsoid mirror can focus
between two focal points i think? then the receiver can be shaped curved to
make the different “pixels” work out. there can be 1 or 2 or 3 mirrors …

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