My Lens Resolution Test Results
Pentax Normal Lenses

smc PENTAX-FA 43mm f/1.9 Limited (FA43/1.9Limited, #0008***)
f/1.9
55
55/55
55/55
55/55
55/55
f/2.8
69
69/69
69/69
62/62
55/55
f/4
87
87/87
87/87
78/78
69/69
f/5.6
98
98/98
87/87
78/78
78/78
f/8
98
98/98
98/98
98/98
98/87
f/11
98
98/98
98/98
98/98
98/98
f/16
87
87/87
87/87
87/87
87/87
f/22
87
87/87
87/87
78/78
78/69

SMC PENTAX 50mm f/1.2 (K50/1.2, #1457***)
f/1.2
55
49/49
49/49
49/49
49/35
f/2
62
55/62
49/55
49/49
49/35
f/2.8
78
69/78
69/69
55/55
49/44
f/4
78
78/78
69/69
62/62
55/55
f/5.6
87
87/87
87/87
87/78
78/78
f/8
98
98/98
98/98
98/98
87/87
f/11
98
98/98
87/87
87/87
87/87
f/16
78
78/78
78/78
78/78
78/69
f/22
78
78/78
69/69
69/69
69/69

smc PENTAX-A 50mm f/1.2 (A50/1.2, #1412***)
f/1.2
55
55/49
49/49
49/49
49/49
f/2
69
69/69
62/62
55/55
55/55
f/2.8
78
78/78
69/69
62/62
55/62
f/4
78
78/78
69/69
69/69
69/62
f/5.6
87
87/87
87/87
87/78
87/78
f/8
98
98/98
98/98
98/98
87/87
f/11
98
98/98
98/98
98/98
98/87
f/16
87
87/87
78/78
78/78
78/78
f/22
78
69/69
69/69
69/69
62/62

SMC PENTAX 50mm f/1.4 (K50/1.4, #1081***)
f/1.4
69
69/69
62/62
55/55
55/55
f/2
69
69/69
62/62
62/62
55/55
f/2.8
78
69/69
69/69
62/62
55/55
f/4
78
69/69
69/69
62/62
62/62
f/5.6
87
78/78
78/78
78/78
78/78
f/8
98
98/98
87/78
78/78
78/78
f/11
87
87/87
87/87
78/69
78/69
f/16
78
69/69
69/69
62/62
62/62
f/22
69
69/69
62/62
62/62
62/62

smc PENTAX-FA 50mm f/1.4 (FA50/1.4, #5075***)
f/1.4
69
69/69
62/62
62/62
55/55
f/2
69
69/69
69/69
69/62
55/55
f/2.8
78
78/78
69/69
69/69
62/62
f/4
87
87/87
78/78
69/69
69/69
f/5.6
98
98/98
98/87
87/87
87/87
f/8
98
98/98
98/98
98/87
98/87
f/11
98
98/98
98/98
87/87
87/87
f/16
87
87/87
78/78
78/69
69/69
f/22
69
69/69
62/62
62/62
62/62

smc PENTAX-M 50mm f/1.7 (M50/1.7, #6548***)
f/1.7
69
69/69
69/69
62/62
62/62
f/2.8
78
78/78
78/69
69/69
62/62
f/4
87
87/87
78/78
78/78
78/69
f/5.6
87
87/87
87/87
87/78
78/78
f/8
98
98/98
98/98
87/98
87/87
f/11
87
87/87
87/87
78/87
78/78
f/16
87
87/87
78/78
78/78
78/69
f/22
69
69/69
62/62
62/62
62/62

smc PENTAX-A 50mm f/1.7 (A50/1.7, #1307***)
f/1.7
69
69/69
69/69
62/62
62/62
f/2.8
78
78/78
78/69
69/69
62/62
f/4
87
87/87
78/78
78/78
78/78
f/5.6
87
87/87
87/87
87/87
78/78
f/8
98
98/98
98/98
98/98
87/87
f/11
98
98/98
98/98
87/87
87/87
f/16
87
87/87
78/78
78/78
78/69
f/22
69
69/69
62/62
62/62
62/62

smc PENTAX-FA 50mm f/2.8 macro (FA50/2.8macro, #3709***)
f/2.8
87
87/87
78/78
78/78
78/78
f/4
98
87/87
87/87
78/78
78/78
f/5.6
98
98/98
98/98
87/87
87/87
f/8
110
110/110
110/110
110/110
110/110
f/11
110
110/110
110/110
110/98
110/98
f/16
110
110/110
98/98
98/98
98/98
f/22
98
98/98
87/87
87/87
78/78
f/32
69
69/69
62/62
62/62
55/55

SMC PENTAX 55mm f/1.8 (K55/1.8, #1166***)
f/1.8
62
62/62
62/55
55/49
55/49
f/2.8
69
69/69
69/69
62/62
62/62
f/4
78
78/78
78/78
78/78
78/78
f/5.6
87
87/87
87/87
87/87
87/87
f/8
98
98/98
98/98
98/98
98/98
f/11
98
98/98
98/98
98/98
87/87
f/16
87
78/87
78/78
78/78
78/78
f/22
69
69/69
62/62
62/62
62/62

SMC PENTAX 55mm f/2 (K55/2, #1769***)
f/2
62
62/62
62/55
55/55
55/49
f/2.8
69
69/69
69/69
62/62
62/62
f/4
78
78/78
78/78
78/78
78/78
f/5.6
87
87/87
87/87
87/87
87/87
f/8
98
98/98
98/98
98/98
98/98
f/11
98
98/98
98/98
98/98
98/98
f/16
87
87/87
78/78
78/78
78/78
f/22
69
69/69
69/62
62/62
62/62