ANSI/PIMA IT3.609:1998

Foreword
1. Scope
2. Normative references
3. Definitions
4. Resolving power target
5. Test methods
Table 1 Dimensions for four target decades
Figure 1 Resolving power element
Figure 2 Resolving power test pattern
Figure 3 X0.1 Test target (Spatial frequencies: 1 mm-1 through
              9 mm-1)
Figure 4 USAF 1951 resolving power target
Annex A Examples - Resolving power calculations

Describes test methods to evaluate the visual resolving power of 35-mm filmstrip and slide projection lenses, as well as the resolving power of photographic objectives used in combination with sensitized material test methods have been provided in this standard.