Pentax Lenses


Lens Ranking

focal length 1st 2nd 3rd
14mm DA 14/2.8 ED [IF], 8.61 (42)    
15mm

HD DA 15/4 ED AL Limited, 9.29 (17);

DA 15/4 ED AL Limited, 9.29 (88)

A 15/3.5, 9.20 (7) K 15/3.5, 7.67 (12)
16mm A 16/2.8 Fish-Eye, 8.75 (5)    
17mm K 17/4 Fish-Eye, 9.00 (14)    
18mm K 18/3.5, 8.70 (10)    
20mm FA 20/2.8, 9.64 (14) K 20/4, 9.17 (6) A 20/2.8, 8.88 (17)
21mm HD DA 21/3.2 AL Limited, 9.75 (8) DA 21/3.2 AL Limited, 9.18 (81)  
24mm FA★ 24/2 AL [IF], 9.31 (36) A 24/2.8, 8.79 (19) K 24/3.5, 8.50 (6)
28mm K 28/2, 9.71 (14) F 28/2.8, 9.45 (34) M 28/2, 9.33 (6)
30mm K 30/2.8, 9.79 (24)    
31mm FA 31/1.8 AL Limited, 9.53 (73)    
35mm HD DA 35/2.8 Limited Macro, 9.82 (12) K 35/3.5, 9.63 (25) DA 35/2.8 Limited Macro, 9.49 (102)
40mm DA 40/2.8 Limited, 9.60 (134) DA 40/2.8 XS, 9.15 (34) HD DA 40/2.8 Limited, 8.83 (6)
43mm FA 43/1.9 Limited, 9.46 (79)    
50mm FA 50/2.8 Macro, 9.71 (32) F 50/2.8 Macro, 9.67 (9) A 50/2.8 Macro, 9.63 (24)
55mm K 55/1.8, 9.39 (62) DA★ 55/1.4 SDM, 9.20 (56) K 55/2, 9.15 (13)
70mm DA 70/2.4 Limited, 9.43 (89) HD DA 70/2.4 Limited, 9.40 (5)  
77mm FA 77/1.8 Limited, 9.76 (85)    
85mm A★ 85/1.4, 9.89 (9) FA★ 85/1.4 [IF], 9.74 (27) K 85/1.8, 9.67 (19)
100mm F 100/2.8 Macro, 9.63 (8) D FA 100/2.8 Macro WR, 9.60 (69) FA 100/2.8 Macro, 9.55 (20)
105mm K 105/2.8, 8.90 (10)    
120mm K 120/2.8, 9.33 (6) M 120/2.8, 8.88 (9)  
135mm F 135/2.8 [IF], 9.54 (13) A★ 135/1.8, 9.38 (13) K 135/2.5, 9.32 (50)
150mm K 150/4, 9.00 (2) M 150/3.5, 8.93 (15)  
200mm

FA★ 200/4 Macro ED [IF], 10.00 (7);

A★ 200/4 Macro ED, 10.00 (9)

A★ 200mm F/2.8 ED, 9.83 (6) FA★ 200/2.8 ED [IF], 9.67 (9)
300mm F★ 300/4.5 ED [IF], 9.94 (32) FA★ 300/2.8 ED [IF], 9.90 (10) A★ 300/2.8 ED [IF], 9.83 (6)
400mm A★ 400/2.8 ED [IF], 10.00 (4) K 400/5.6, 8.86 (7) FA★ 400/5.6 ED [IF], 8.67 (6)
500mm K 500/4.5, 8.60 (10)    
560mm HD DA 560/5.6 ED AW    
600mm F★ 600/4 ED [IF], 9.75 (4) FA★ 600/4 ED [IF], 9.00 (12) A★ 600/5.6 ED [IF], 8.86 (7)
1000mm K 1000/11 Reflex, 8.75 (4) K 1000/8, 8.00 (2)  
1200mm A★ 1200/8 ED [IF], 9.50 (2)    
2000mm K 2000/13.5 Reflex, 8.00 (1) M Reflex 2000/13.5, none  

HD D FA★ zooms

                                                          PF*1     KK*4  
HD D FA★ 70-200mm F2.8 ED DC AW (ø77) 9.67 (3)     5.00 (3)  

HD D FA zooms

                                                          PF*1     KK*4  
HD D FA 15-30mm F2.8 ED SDM WR 8.67 (3)     none  
HD D FA 24-70mm F2.8 ED SDM WR (ø82) 9.67 (6)     5.00 (2)  
HD D FA 28-105mm F3.5-5.6 ED DC WR (ø62) 9.13 (8)     5.00 (5)  
HD D FA 150-450mm F4.5-5.6 ED DC AW (ø86) 9.70 (10)     5.00 (9)  

HD DA primes

 

                                                          PF*1     KK*4  
HD DA 15mm F/4 ED AL Limited (ø49) 9.29 (17)     4.83 (13)  
HD DA 21mm F/3.2 AL Limited (ø49) 9.75 (8)     4.78 (9)  
HD DA 35mm F/2.8 Limited Macro (ø49) 9.82 (12)     4.86 (21)  
HD DA 40mm F/2.8 Limited (ø49) 8.83 (6)     4.79 (8)  
HD DA 70mm F/2.4 Limited (ø49) 9.40 (5)     5.00 (3)  
HD DA 560mm F/5.6 ED AW       4.00 (2)  

HD DA zooms

                                                          PF*1     KK*4  
HD DA 16-85mm F/3.5-5.6 ED DC WR (ø72) 9.06 (16)     4.71 (17)  
HD DA 18-50mm F/4-5.6 DC WR RE (ø58) 7.50 (2)     3.86 (7)  
HD DA 20-40mm F/2.8-4 Limited DC WR (ø55) 9.33 (24)     4.52 (15)  
HD DA 55-300mm F/4-5.8 ED WR (ø58) 8.70 (24)     4.36 (8)  
HD DA 55-300mm F/4.5-6.3 ED PLM WR RE (ø58) none     none  

DA★ primes

                                                          PF*1 DP*2   KK*4 PZ*5
DA★ 55mm F/1.4 SDM (ø58) 9.20 (56) 8.1   4.93 (71) 3.3
DA★ 200mm F/2.8 ED [IF] SDM (ø77) 9.36 (28)     4.85 (15) 4.0
DA★ 300mm F/4 ED [IF] SDM (ø77) 9.67 (61)     4.82 (33) 4.3

DA★ zooms

                                                          PF*1     KK*4 PZ*5
DA★ 16-50mm F/2.8 ED AL [IF] SDM (ø77) 8.48 (119)     4.39 (97) 3.5
DA★ 50-135mm F/2.8 ED [IF] SDM (ø67) 9.11 (126)     4.68 (71) 4.0
DA★ 60-250mm F/4 ED [IF] SDM (ø67) 9.69 (49)     4.62 (41) 4.0

DA primes

                                                          PF*1 DP*2   KK*4 PZ*5
DA 14mm F/2.8 ED [IF] (ø77) 8.61 (42)     4.80 (42) 3.5
DA 15mm F/4 ED AL Limited (ø49) 9.29 (88) 8.2   4.69 (38) 4.0
DA 21mm F/3.2 AL Limited (ø49) 9.18 (81)     4.54 (95)

3.8/3.7

DA 35mm F/2.4 AL (ø49) 9.20 (118)     4.76 (50) 3.5
DA 35mm F/2.8 Limited Macro (ø49) 9.49 (102)     4.87 (98) 4.2
DA 40mm F/2.8 Limited (ø49) 9.60 (134)     4.73 (89)

4.2/4.2

DA 40mm F/2.8 XS (ø27) 9.15 (34)     4.55 (19)  
DA 50mm F/1.8 (ø52) 9.37 (43)     4.42 (26)  
DA 70mm F/2.4 Limited (ø49) 9.43 (89)     4.92 (79)

4.2/4.3


DA zooms

                                                          PF*1 DP*2   KK*4 PZ*5
DA 10-17mm F/3.5-4.5 ED [IF] Fish Eye 9.06 (82)     4.75 (107) 3.5
DA 12-24mm F/4 ED AL [IF] (ø77) 9.12 (52)     4.86 (47) 3.7
DA 16-45 mm F/4 ED AL (ø67) 8.63 (100) 7.7   4.69 (61) 3.5
DA 17-70mm F/4 AL [IF] SDM (ø67) 7.78 (50)     4.46 (70) 3.8
DA 18-55mm F/3.5-5.6 AL (ø52) 7.40 (85) 7.6   4.54 (59) 3.3
DA 18-55mm F/3.5-5.6 AL II (ø52) 8.27 (53)     4.30 (29)  
DA 18-55mm F/3.5-5.6 AL WR (ø52) 7.77 (82)     4.41 (44) 3.2
DA 18-135mm F/3.5-5.6 ED AL [IF] DC WR (ø62) 8.64 (105)     4.49 (87) 2.2
DA 18-250mm F/3.5-6.3 ED AL (ø62) 8.57 (46)     4.87 (20) 3.3
DA 18-270mm F/3.5-6.3 ED SDM (ø62) 8.14 (7)     4.48 (24)  
DA 50-200mm F/4-5.6 ED (ø52) 7.58 (53)     4.30 (45) 2.2
DA 50-200mm F/4.0-5.6 ED WR (ø49) 7.93 (27)     4.72 (35) 3.2
DA 55-300mm F/4.0-5.8 ED (ø58) 8.55 (107)     4.54 (98)  

DA L zooms

                                                          PF*1     KK*4  
DA L 18-50mm F/4-5.6 DC WR RE (ø58) 8.75 (4)        
DA L 18-55mm F/3.5-5.6 AL (ø52) 7.68 (70)     4.00 (1)  
DA L 18-55mm F/3.5-5.6 AL WR (ø52) 7.50 (6)        
DA L 50-200mm F/4-5.6 ED (ø52) 7.85 (13)        
DA L 50-200mm F/4-5.6 ED WR (ø49) 9.14 (7)        
DA L 55-300mm F/4.0-5.8 ED (ø58) 8.78 (37)     none  

D FA primes

                                                          PF*1     KK*4 PZ*5
D FA 50mm F/2.8 Macro (ø49) 9.04 (26)     4.82 (16)  
D FA 100mm F/2.8 Macro (ø49) 8.97 (35)     4.89 (18) 3.2
D FA 100mm F/2.8 Macro WR (ø49) 9.60 (69)     4.92 (62)  

FA★ primes

                                                          PF*1     KK*4 PZ*5
FA★ 24mm F/2 AL [IF] (1991 @ 77,000 Yen) 9.31 (36)     4.60 (12) 3.0
FA★ 85mm F/1.4 [IF] (1992 @ 98,000 Yen) 9.74 (27)     5.00 (10)  
FA★ 200mm F/2.8 ED [IF] (1992 @ 140,000 Yen) 9.67 (9)     5.00 (6)  
FA★ 200mm F/4 Macro ED [IF] (2000 @ 230,000 Yen) 10.00 (7)     5.00 (1)  
FA★ 300mm F/2.8 ED [IF] (1994 @ 530,000 Yen) 9.90 (10)     4.51 (5)  
FA★ 300mm F/4.5 ED [IF] (1991 @ 145,000 Yen) 9.69 (16)     5.00 (2)  
FA★ 400mm F/5.6 ED [IF] (1997 @ 200,000 Yen) 8.67 (6)     5.00 (1) 4.0
FA★ 600mm F/4 ED [IF] (1991 @ 1,000,000 Yen) 9.00 (12)     none  

FA★ zooms

                                                          PF*1     KK*4 PZ*5
FA★ 28-70mm F/2.8 AL (1994 @ 165,000 Yen) 8.81 (16)     5.00 (7)  
FA★ 80-200mm F/2.8 ED [IF] (1994 @ 210,000 Yen) 9.53 (19)     4.64 (4) 3.5
FA★ 250-600mm F/5.6 ED [IF] (1991 @ 1,300,000 Yen) 10.00 (3)     5.00 (2)  

FA primes

                                                          PF*1 DP*2   KK*4 PZ*5
FA 20mm F/2.8 (1995 @ 75,000 Yen) 9.64 (14)     4.36 (5) 3.0
FA 28mm F/2.8 AL (1991 @ 36,000 Yen) 8.80 (25)     4.81 (18)  
FA 28mm F/2.8 Soft (1997 @ 49,000 Yen) 9.00 (1)     5.00 (2)  
FA 31mm F/1.8 AL Limited (ø58) 9.53 (73)     4.89 (133)

4.0/3.8

FA 35mm F/2 AL (ø49) (1999 @ 43,000 Yen) 9.14 (64)     4.75 (112) 4.2
FA 43mm F/1.9 Limited (ø49) (1997 @ 69,500 Yen) 9.46 (79)     4.86 (131)

3.5/3.0

FA 50mm F/1.4 (ø49) (1991 @ 33,000 Yen) 8.86 (135) 8.2   4.85 (126) 3.7
FA 50mm F/1.7 (1991 @ 22,000 Yen) 9.61 (31)     4.42 (7)  
FA 50mm F/2.8 Macro (1991 @ 58,000 Yen) 9.71 (32)     5.00 (3)  
FA 77mm F/1.8 Limited (ø49) (1999 @ 97,000 Yen) 9.76 (85)     4.89 (137) 3.7
FA 85mm F/2.8 Soft (1995 @ 65,000 Yen) 9.33 (3)     5.00 (1)  
FA 100mm F/2.8 Macro (1991 @ 80,000 Yen) 9.55 (20)     4.83 (5) 4.3
FA 100mm F/3.5 Macro (1998 @ 37,000 Yen) 8.73 (11)     5.00 (2)  
FA 135mm F/2.8 [IF] (1991 @ 55,000 Yen) 8.96 (28)     4.88 (8)  

FA zooms

                                                          PF*1     KK*4 PZ*5
FA 20-35mm F/4 AL (ø58) (1998 @ 79,000 Yen) 9.28 (29)     4.74 (12) 2.8 
FA 24-90mm F/3.5-4.5 AL [IF] 8.05 (19)     4.51 (5)  
FA 28-70mm F/4 AL (1995 @ 30,000 Yen) 8.21 (34)     4.51 (10)  
FA 28-80mm F/3.5-4.7 6.00 (12)        
FA 28-80mm F/3.5-5.6 (1998 @ 26,000 Yen) 6.83 (12)     4.00 (2)  
FA 28-80mm F/3.5-5.6 AL 6.67 (9)        
FA 28-90mm F/3.5-5.6 6.87 (15)     4.00 (1)  
FA 28-105mm F/3.2-4.5 AL [IF] 7.32 (22)     4.83 (8)  
FA 28-105mm F/4-5.6 (1991 @ 59,000 Yen) 8.25 (16)     4.20 (5)  
FA 28-105mm F/4-5.6 [IF] (1999 @ 45,000 Yen) 7.67 (12)     4.82 (2)  
FA 28-200mm F/3.8-5.6 AL [IF] (1998 @ 58,000 Yen) 7.87 (15)     4.00 (1)  
FA 35-80mm F/4-5.6 (1999 @ 22,000 Yen) 8.53 (18)     4.98 (3)  
FA 70-200mm F/4-5.6 (1991 @ 45,000 Yen) 7.43 (7)         
FA 80-200mm F/4.7-5.6 (1999 @ 32,000 Yen) 5.60 (10)     4.00 (1)  
FA 80-320mm F/4.5-5.6 (1997 @ 45,000 Yen) 7.86 (35)     4.36 (3)  
FA 100-300mm F/4.5-5.6 (1995 @ 40,000 Yen) 7.22 (9)        
FA 100-300mm F/4.7-5.8 (2000 @ 42,000 Yen) 8.60 (45)     none  

FA J zooms

                                                          PF*1     KK*4  
FA J 18-35mm F/4-5.6 (ø67) 7.65 (17)     3.85 (3)  
FA J 28-80mm F/3.5-5.6 AL (ø58) 5.78 (9)     5.00 (3)  
FA J 75-300mm F/4.5-5.8 AL (ø58) 7.79 (19)     3.94 (12)  

F★ primes

                                                          PF*1        
F★ 300mm F/4.5 ED [IF] 9.94 (32)        
F★ 600mm F/4 ED [IF] 9.75 (4)        

F★ zooms

                                                          PF*1        
F★ 250-600mm F/5.6 ED [IF] 9.00 (1)        

F primes

                                                          PF*1        
F 28mm F/2.8 9.45 (34)        
F 50mm F/1.4 9.47 (15)        
F 50mm F/1.7 9.20 (75)        
F 50mm F/2.8 Macro 9.67 (9)        
F 85mm F/2.8 Soft 9.25 (4)        
F 100mm F/2.8 Macro 9.63 (8)        
F 135mm F/2.8 [IF] 9.54 (13)        

F zooms

                                                          PF*1        
F 17-28mm F/3.5-4.5 Fish-Eye (1995 @ 62,000 Yen) 8.78 (9)        
F 24-50mm F/4 9.17 (6)        
F 28-80mm F/3.5-4.5 7.29 (14)        
F 35-70mm F/3.5-4.5 8.78 (79)        
F 35-80mm F/4-5.6 6.75 (40)        
F 35-105mm F/4-5.6 8.50 (11)        
F 35-135mm F/3.5-4.5 8.46 (14)        
F 70-210mm F/4-5.6 8.43 (41)        
F 80-200mm F/4.7-5.6 (1993 @ 30,000 Yen) 8.06 (17)        
F 100-300mm F/4.5-5.6 (1995 @ 40,000 Yen) 7.26 (19)        

A★ primes

                                                          PF*1        
A★ 85mm F/1.4 9.89 (9)        
A★ 135mm F/1.8 9.38 (13)        
A★ 200mm F/2.8 ED 9.83 (6)        
A★ 200mm F/4 Macro ED 10.00 (9)        
A★ 300mm F/2.8 ED [IF] 9.83 (6)        
A★ 300mm F/4 9.00 (14)        
A★ 400mm F/2.8 ED [IF] 10.00 (4)        
A★ 600mm F/5.6 ED [IF] 8.86 (7)        
A★ 1200mm F/8 ED [IF] 9.50 (2)        

A primes

                                                          PF*1        
A 15mm F/3.5 9.20 (7)        
A 16mm F/2.8 Fish-Eye 8.75 (5)        
A 20mm F/2.8 8.88 (17)        
A 24mm F/2.8 8.79 (19)        
A 28mm F/2 9.10 (10)        
A 28mm F/2.8 8.51 (47)        
A 35mm F/2 8.83 (6)        
A 35mm F/2.8 9.20 (10)        
A 50mm F/1.2 9.50 (26)        
A 50mm F/1.4 9.24 (39)        
A 50mm F/1.7 9.01 (118)        
A 50mm F/2 7.82 (60)        
A 50mm F/2.8 Macro 9.63 (24)        
A 100mm F/2.8 9.38 (16)        
A 100mm F/2.8 Macro 9.20 (5)        
A 100mm F/4 Macro 9.00 (8)        
A 135mm F/2.8 9.27 (31)        
A 200mm F/4 8.08 (13)        
A 400mm F/5.6 8.42 (12)        

A zooms

                                                          PF*1        
A 24-50mm F/4 9.42 (12)        
A 28-80mm F/3.5-4.5 8.50 (4)        
A 28-135mm F/4 7.75 (9)        
A 35-70mm F/3.5-4.5 7.86 (14)        
A 35-70mm F/4 8.52 (21)        
A 35-80mm F/4-5.6 7.20 (5)        
A 35-105mm F/3.5 8.84 (62)        
A 35-135mm F/3.5-4.5 7.00 (1)        
A 35-210mm F/3.5-4.5 7.00 (3)        
A 70-210mm F/4 8.38 (48)        
A 80-200mm F/4.7-5.6 7.00 (8)        

M★ primes

                                                          PF*1        
M★ 300mm F/4 9.63 (8)        

M primes

                                                          PF*1        
M 20mm F/4 8.78 (23)        
M 28mm F/2 9.33 (6)        
M 28mm F/2.8 8.26 (70)        
M 28mm F/3.5 8.85 (35)        
M 35mm F/1.4 none        
M 35mm F/2 8.50 (14)        
M 35mm F/2.8 8.20 (20)        
M 40mm F/2.8 7.63 (29)        
M 50mm F/1.4 9.26 (93)        
M 50mm F/1.7 9.38 (193)        
M 50mm F/2 8.22 (84)        
M 50mm F/4 Macro 9.35 (24)        
M 85mm F/2 9.16 (37)        
M 100mm F/2.8 9.26 (39)        
M 100mm F/4 Macro 9.18 (28)        
M 120mm F/2.8 8.88 (9)        
M 135mm F/3.5 8.53 (89)        
M 150mm F/3.5 8.93 (15)        
M 200mm F/4 8.55 (56)        
M 400mm F/5.6 8.30 (10)        
M Reflex 2000mm F/13.5 none        

M zooms

                                                          PF*1        
M 24-35mm F/3.5 8.40 (10)        
M 24-50mm F/4 8.33 (4)        
M 28-50mm F/3.5-4.5 8.10 (10)        
M 35-70mm F/2.8-3.5 9.26 (19)        
AF 35-70mm F/2.8 (in-built AF) 9.00 (5)        
M 40-80mm F/2.8-4 7.11 (19)        
M 75-150mm F/4 8.55 (43)        
M 80-200mm F/4.5 8.48 (27)        

K primes

                                                          PF*1        
15mm F/3.5 7.67 (12)        
17mm F/4 Fish-Eye 9.00 (14)        
18mm F/3.5 8.70 (10)        
20mm F/4 9.17 (6)        
24mm F/2.8 8.38 (29)        
24mm F/3.5 8.50 (6)        
28mm F/2 9.71 (14)        
28mm F/3.5 9.30 (40)        
28mm F/3.5 Shift 8.10 (10)        
30mm F/2.8 9.79 (24)        
35mm F/2 9.38 (8)        
35mm F/3.5 9.63 (25)        
50mm F/1.2 9.38 (45)        
50mm F/1.4 9.23 (30)        
50mm F/4 Macro 9.56 (9)        
55mm F/1.8 9.39 (62)        
55mm F/2 9.15 (13)        
85mm F/1.8 9.67 (19)        
85mm F/2.2 Soft 9.00 (2)        
100mm F/4 Bellows 8.00 (1)        
100mm F/4 Macro 9.00 (4)        
105mm F/2.8 8.90 (10)        
120mm F/2.8 9.33 (6)        
135mm F/2.5 9.32 (50)        
135mm F/3.5 8.82 (11)        
150mm F/4 9.00 (2)        
200mm F/2.5 9.05 (21)        
200mm F/4 9.20 (15)        
300mm F/4 7.74 (27)        
400mm F/5.6 8.86 (7)        
500mm F/4.5 8.60 (10)        
1000mm F/8 8.00 (2)        
1000mm F/11 Reflex 8.75 (4)        
2000mm F/13.5 Reflex 8.00 (1)        

K zooms

                                                          PF*1        
28-50mm F/3.5-4.5 7.00 (1)        
45-125mm F/4 8.07 (14)        
80-200mm F/4.5 7.80 (6)        
85-210mm F/3.5 8.43 (7)        
85-210mm F/4.5 6.00 (2)        
135-600mm F/6.7 8.00 (2)        
400-600mm F/8-12 Reflex 7.25 (4)        

non-SMC Takumar primes (K-mount)

                                                          PF*1        
Takumar-A 28mm F/2.8 8.33 (6)        
Takumar 28mm F/2.8 Bayonet 7.80 (5)        
Takumar 135mm F/2.5 Bayonet 8.00 (51)        
Takumar 135mm F/2.8 Bayonet 8.25 (5)        

non-SMC Pentax and Takumar zooms (K-mount)

                                                          PF*1        
Pentax-A 28-80mm F/3.5-4.5 6.50 (9)        
Pentax-F 28-80mm F/3.5-4.5 7.29 (7)        
Takumar-A 28-80mm F/3.5-4.5 4.71 (14)        
Takumar-F 28-80mm F/3.5-4.5 6.80 (5)        
Takumar-F 35-70mm F/3.5-4.5 (ø49) 8.00 (1)        
Pentax-A 70-200mm F/4 7.20 (5)        
Takumar-A 70-200mm F/4 Macro 6.86 (7)        
Pentax-F 70-200mm F/4-5.6 8.40 (5)        
Takumar-F 70-200mm F/4-5.6 8.00 (8)        
Takumar-F 70-210mm F/4-5.6 8.36 (11)        
Takumar-A 70-210mm F/4.5-5.6 8.00 (1)        
Takumar 80-200mm F/4.5 Bayonet 6.80 (5)        

Pentax lens feature comparison

Feature DSLR Full Frame Auto Aperture
Auto Focus
Quick Shift Aperture Ring Mount Name
DA YES no YES YES varies no KAF/KAF2/KAF3
DA L YES no YES YES no no KAF
D FA YES YES YES YES YES varies KAF/KAF3
FA J YES YES YES YES no no KAF
FA YES YES YES YES no YES KAF/KAF2
F YES YES YES YES no YES KAF
A YES YES YES no n/a YES KA
M YES YES no no n/a YES K
K YES YES no no n/a YES K

Source: Pentax K-Mount Lens Series Explained: The differences between various Pentax lens series,

<http://www.mosphotos.com/PentaxLensesExplained.html>


Abbreviations

WR: Weather Resistant. The lens is sealed against dust and light rain.
DC or SDM: The lens has a built-in super-sonic motor for autofocus (K10D, K100D and newer cameras can take advantage of this).
XS: Lenses with an exterior design by Mark Newson matching the Pentax K-01. Works like an ordinary DA lens.
IF: Internal focusing. Focusing is achieved by moving lens elements within the lens. The lens barrel doesn't move. IF lenses generally focus faster than ordinary lenses.
AL: Aspheric Lens. Special lens elements that improves the optical quality. Particularly valuable in wide angle lenses.
ED: Extra-low Dispersion. Special glass material which helps reduce chromatic aberration. Particularly valuable in tele photo lenses.


Notes

1. PF - Lens Review Database by PentaxForums.com: rating (max. 10) and number of reviews in brackets. <http://www.pentaxforums.com/lensreviews/>

2. DP - Lens Review Database by dpreview.com: rating (max. 10) averaged from 5 categories. <http://www.dpreview.com/products/pentax/lenses>

3. FM - Lens Review Database by fredmiranda.com: rating (max. 10) and number of reviews in brackets. <http://www.fredmiranda.com/reviews/>

4. KK - Lens Review Database by kakaku.com: rating (max. 5) and number of reviews in brackets. <http://kakaku.com/>

5. PZ - Lens Review Database by photozone.com: rating (max. 5) averaged from 3 categories. <http://www.photozone.de/pentax>