PIMA IT3.111 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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FOCAL LENGTHS AND FOCAL DISTANCES OF PHOTOGRAPHIC LENSES, METHODS OF DESIGNATING AND MEASURING
15-06-2022
12-01-2013
Covers lenses intended to be used with very distant objects. Defines the principal focus, focal plane, calibrated focal length, focal length, back focal distance, front focal distance, flange focal distance, total length and describes methods for their measurements.
| DevelopmentNote |
Revision and redesignation of ANSI PH3.35. (08/2001)
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| DocumentType |
Standard
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| PublisherName |
American National Standards Institute
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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