from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An anastigmatic lens.
from the GNU version of the Collaborative International Dictionary of English
- n. compound lens or lens system designed to be free of astigmatism and able to form approximately point images.
from The Century Dictionary and Cyclopedia
- n. A system of lenses in which the astigmatic aberration is overcome and a flat field obtained.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. compound lens or lens system designed to be free of astigmatism and able to form approximately point images
Sorry, no etymologies found.
Both were fitted with anastigmat lenses, which eliminated distortion and preserved the perpendicular lines even of off-center images, making them especially well suited for architectural photography.
I sometimes feel that an anastigmat lens is best and sometimes that a soft focus lens is best for some particular work, and sometimes I feel that if
I could get only one I would prefer an anastigmat to a soft focus.”