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"Spherical aberration is an optical effect observed in an optical device (lens, mirror, etc.) that occurs due to the increased refraction of light rays when they strike a lens or a reflection of light rays when they strike a mirror near its edge, in comparison with those that strike nearer the center."
Hello, and thanks for your post. I've put a bit more about the story up on my blog: http://www.artsjournal.com/realcleararts/2009/10/discovering-robert-bergman.html
Hello, and thanks for your post. I've put a bit more about the story up on my blog:
ReplyDeletehttp://www.artsjournal.com/realcleararts/2009/10/discovering-robert-bergman.html
JHD