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DIN ISO 517:2009-05
Photography - Apertures and related properties pertaining to photographic lenses - Designations and measurements (ISO 517:2008)
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Summary
Definitions of terms for apertures and related properties for all types of lenses used in still caleras. Specification of aperture markings and of tolerances for the stop numbers. Specification of methods for the measurement or determination of these properties. The document applies to lenses focused on objects at infinity.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 05/01/2009 |
| Page Count | 12 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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