Difference between revisions of "Bullseye"
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A circular lens (in sense 1 of 2-2-010), or part thereof, usually plano-convex or double convex in section, the optical axis (2-2-110) of which coincides with the optical axis of the prismatic lens of which it forms a part. | A circular lens (in sense 1 of 2-2-010), or part thereof, usually plano-convex or double convex in section, the optical axis (2-2-110) of which coincides with the optical axis of the prismatic lens of which it forms a part. | ||
[[Image:Ch2_Fig10.jpg|400px | [[Image:Ch2_Fig10.jpg|400px]] | ||
Revision as of 12:00, 25 February 2009
2-2-075
A circular lens (in sense 1 of 2-2-010), or part thereof, usually plano-convex or double convex in section, the optical axis (2-2-110) of which coincides with the optical axis of the prismatic lens of which it forms a part.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
