anastigmat

How To Use anastigmat In A Sentence

• Many advanced techniques of practical lens design will be illustrate with easy-to-understand examples drawn from the design of anastigmats and telescope objectives.
• 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 Pictorial Photography in America 1921
• The lens should be a modern anastigmatic by a good maker. How to Observe in Archaeology
• For example, we have had experience with system testing on three-mirror anastigmats and other multi-mirror systems using interferometric results as feedback for improving the performance.
• Mutual life insurance company pembroke up from his commiseration horrifyingly, the spatially of a anastigmatic cicadidae preservative circumscribed his penuchle a effortful windaus. Rational Review
• As such, the anastigmat offers an attractive compromise between astigmatism and field curvature.
• That is, one part of the picture is made with a soft focus lens and one with an anastigmatic. Pictorial Photography in America 1921
• A table of parameters for anastigmatic lenses is included.
• The two distinct types of lenses are the "rapid rectilinear" and the "anastigmatic," which names refer to their optical properties in distributing the light. Outdoor Sports and Games
• With an anastigmatic lens working at, say f. 6-3, and with a "speed" film (glass plates are utterly out of the question on the trail), it is possible to make a snap-shot at one twenty-fifth of a second on a clear day, around noon, even in the dead of winter, in any part of Alaska that the writer has travelled in. Ten Thousand Miles with a Dog Sled A Narrative of Winter Travel in Interior Alaska