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Measured Resolution Numbers

Do not compare results from different testers! You can draw meaningful conclusions only from tests performed by the same person.

Table 1. Resolution tests of some Pentax lenses.
Yoshihiko Takinami's Results Lens Frederick Wasti's Results
Avg. Center
Resolution
(lines/mm)
Avg. Corner
Resolution
(lines/mm)
Best Aperture Avg. Center
Resolution
(lines/mm)
Avg. Corner
Resolution
(lines/mm)
Best Aperture
7356f/11K 18/3.5   
7049f/8A 20/2.8   
7356f/11K 20/4   
8060f/11FA* 24/2 AL [IF]   
8252f/11 ~ f/16K 24/2.8   
8365f/8 ~ f/11K 28/2   
9065f/8 ~ f/11M 28/2   
8064f/11M 28/2.8 (version 1)   
8457f/8 ~ f/11M 28/2.8 (version 2)   
7560f/8 ~ f/11FA 28/2.8 AL   
8070f/8K 28/3.5   
7762f/8 ~ f/11M 28/3.5   
8571f/8K 30/2.8   
7959f/5.6 ~ f/11K 35/2   
7553f/8 ~ f/11M 35/2   
9076f/5.6 ~ f/11FA 35/2 AL   
7763f/8M 35/2.8   
8872f/11K 35/3.5   
7564f/11M 40/2.84841f/5.6
8576f/11FA 43/1.9 Limited   
7964f/8 ~ f/11K 50/1.25237f/8
8170f/11A 50/1.25040f/6.7
7965f/8K 50/1.4   
   M 50/1.44835f/11
   A 50/1.45543f/5.6
8471f/8FA 50/1.4   
8372f/8M 50/1.74640f/8
8474f/8 ~ f/11A 50/1.75241f/8
   M 50/24940f/11
   A 50/25344f/8
   A 50/2.8 Macro5346f/5.6
9886f/8FA 50/2.8 Macro   
   M 50/4 Macro5242f/8
8176f/8K 55/1.84837f/11 ~ f/22
8177f/8K 55/2   
7062f/11 ~ f/16FA 77/1.8 Limited   
6961f/11K 85/1.8   
5748f/11M 85/2   
5157f/16M 100/2.8   
7160f/16K 105/2.8   
7360f/16K 135/2.5   
6857f/16F 135/2.8 [IF]   
5848f/16M 150/3.5