And, the Pentax lenses I own are marked in Bold, although not all of my FF/MF Pentax lenses were tested by the Photodo, e.g., my FA31 and 77 Limiteds! :-D
Credits: Photodo and http://bbs.sjtu.cn/bbscon,board,Photo,file,M.968209306.A.html
Grade: 3.7 35mm/AF Pentax SMC-FA 20/2,8 Grade: 3.7 35mm/AF Pentax SMC-FA 24/2 AL (IF) Grade: 3.8 35mm/AF Pentax SMC-FA 28/2,8 AL Grade: 3.6 35mm/AF Pentax SMC-FA 43/1,9 Limited 35mm/AF Pentax SMC Pentax-FA Makro 50/2,8 Grade: 4.2 35mm/AF Pentax SMC-FA 50/1,4 35mm/AF Pentax SMC-FA 50/1,7 Grade: 4.6 35mm/AF Pentax SMC-F 50/1,4 Grade: 4.6 35mm/AF Pentax SMC-F 50/2,8 macro Grade: 4.4 35mm/AF Pentax SMC-F 50/1,7 Medi/AF Pentax 645 SMC-FA 75/2,8 35mm/AF Pentax SMC Pentax-FA Soft 85/2,8 35mm/AF Pentax SMC-FA 85/1,4 (IF) Grade: 3.9 35mm/AF Pentax SMC-FA Makro 100/2,8 Grade: 4.3 35mm/AF Pentax SMC-F 100/2,8 macro Grade: 3.7 35mm/AF Pentax SMCP-FA 100/3,5 Macro Medi/AF Pentax SMC-FA 645 120/4 Macro Grade: 3.5 35mm/AF Pentax SMC-F 135/2,8 IF Grade: 3.2 35mm/AF Pentax SMC-FA 135/2,8 IF 35mm/AF Pentax SMC-FA 200/2,8 ED IF Medi/AF Pentax SMC-FA 645 200/4 (IF) 35mm/AF Pentax SMC-FA 300/2,8 ED (IF Grade: 4 35mm/AF Pentax SMC-FA 300/4,5 ED IF Medi/AF Pentax 645 SMC-FA 300/4 ED IF Grade: 3.9 35mm/AF Pentax SMC-F 300/4,5 IF ED Medi/AF Pentax 645 SMC-FA 400/5,6 ED IF Grade: 3 35mm/AF Pentax SMC-FA 400/5,6 ED IF 35mm/AF Pentax SMC-A 500/4,5 35mm/AF Pentax SMC-FA 600/ 4 ED (IF Grade: 2.7 35mm/AF Pentax SMC-F Fisheye zoom 17-28/3,5-4,5 Grade: 3.4 35mm/AF Pentax SMCP-FA 20-35/4 AL Grade: 3.2 35mm/AF Pentax SMC-FA Zoom 28-105/4-5,6 Grade: 1.7 35mm/AF Pentax SMC-FA Zoom 28-200/3,8-5,6 AL (IF) Grade: 3.5 35mm/AF Pentax SMC-FA Zoom 28-70/2,8 AL Grade: 3.3 35mm/AF Pentax SMC-FA Zoom 28-70/4 AL Grade: 2 35mm/AF Pentax SMC-FA 28-80/3,5-5,6 Grade: 2.3 35mm/AF Pentax SMC-FA 28-80/3,5-4,7 Grade: 3.3 35mm/AF Pentax SMC-F 28-80/3,5-4,5 Grade: 2.8 35mm/AF Pentax SMC-F 35-105/4-5,6 Grade: 2.5 35mm/AF Pentax SMC-F 35-135/3,5-4,5 Grade: 3.1 35mm/AF Pentax SMC-F 35-70/3,5-4,5 Medi/AF Pentax 645 SMC-FA 45-85/4,5 Grade: 2.9 35mm/AF Pentax SMC-FA Zoom 70-200/4-5,6 Grade: 2.9 35mm/AF Pentax SMC-F 70-200/4-5,6 Grade: 3.4 35mm/AF Pentax SMC-F 70-210/4-5,6 Grade: 3.2 35mm/AF Pentax SMC-FA Zoom 80-200/2,8 ED (IF) Grade: 2.5 35mm/AF Pentax SMC-FA 80-320/4,5-5,6 Medi/AF Pentax SMC-FA 645 80-160/4,5 35mm/AF Pentax SMC-FA Zoom 250-600/5,6 ED (IF) 35mm/MF Pentax SMC Pentax A 15/3,5 35mm/MF Pentax SMC Pentax A Fisheye 16/2,8 35mm/MF Pentax SMC-A 20/2,8 Grade: 2.7 35mm/MF Pentax SMC-A 24-50/4 Grade: 2.5 35mm/MF Pentax SMC-F 24-50/4 35mm/MF Pentax SMC Pentax Shift 28/3,5 Grade: 3.2 35mm/MF Pentax SMC-F 28/2,8 Grade: 2.8 Medi/MF Pentax 645 SMC-A 35/3,5 Medi/MF Pentax 67 35/4,5 Grade: 2.2 35mm/MF Pentax SMC-F Zoom 35-80/4-5,6 Medi/MF Pentax 645 45/2,8 Medi/MF Pentax 67 45/4 Medi/AF Pentax 645 SMC-FA 45/2,8 35mm/MF Pentax SMC-A 50/1,2 Grade: 4 35mm/MF Pentax SMC-A 50/2 Medi/MF Pentax 645 55/2,8 Medi/MF Pentax 67 55/4,0 Medi/MF Pentax 67 Zoom 55-100/4,5 Grade: 3.4 Medi/MF Pentax 645 SMC-A 75/2,8 Medi/MF Pentax 645 75/2,8 LS Medi/MF Pentax 67 75/4,5 Medi/MF Pentax 67 75/4,5 shift Grade: 3 35mm/AF Pentax SMC-F Zoom 80-200/4,7-5,6 Grade: 4.6 35mm/MF Pentax SMC-A 85/1,4 Medi/MF Pentax 67 90/2,8 Medi/MF Pentax 67 100/4,0 macro Grade: 2.4 35mm/MF Pentax SMC-FA 100-300/4,5-5,6 Medi/MF Pentax 67 105/2,4 Grade: 3.6 Medi/MF Pentax 645 SMC-A 120/4,0 macro Medi/MF Pentax 67 120/3,5 Soft Medi/MF Pentax 645 135/4 LS Medi/MF Pentax 67 135/4 Macro Grade: 4.2 35mm/MF Pentax SMC-A 135/1,8 Medi/MF Pentax 645 150/3,5 Medi/MF Pentax 67 165/2,8 Medi/MF Pentax 67 165/4 LS Medi/MF Pentax 645 200/4 Medi/MF Pentax 67 200/4 Grade: 4.2 35mm/MF Pentax SMC-A Macro 200/4ED Grade: 3.7 35mm/MF Pentax SMC-A 200/2,8 ED Grade: 3.4 Medi/MF Pentax 645 SMC-A 300/4 IF ED Medi/MF Pentax 67 300/4 35mm/MF Pentax SMC-A 300/2,8 ED (IF Medi/MF Pentax 67 400/4 ED (IF) Grade: 3 35mm/MF Pentax SMC-A 400/5,6 35mm/MF Pentax SMC-A 400/2,8 ED IF 35mm/MF Pentax SMC-A Reflex Zoom 400-600/8-12 Medi/MF Pentax 67 500/5,6 Medi/MF Pentax 645 600/5,6 APO Medi/MF Pentax 67 600/4 Medi/MF Pentax 67 800/4 Medi/MF Pentax 67 800/4 EDIF Medi/MF Pentax 67 1000/8 35mm/MF Pentax SMC-Reflex 1000/11 35mm/MF Pentax SMC-A 1200/8 ED (IF 35mm/MF Pentax SMC-M Reflex 2000/13,5 Grade: 2.1 35mm/MF Pentax SMC-A 28-80/3,5-4,5 35mm/MF Pentax SMC-A Zoom 35-80/4-5,6 Medi/MF Pentax 645 45-85/4,5 Grade: 2.2 35mm/MF Pentax SMC-A 70-200/4 Medi/MF Pentax 645 80-160/4,5 35mm/MF Pentax SMC-A Zoom 80-200/4,7-5,6