0 0|M-42 or No Lens
1 0|K or M Lens
2 0|A Series Lens
3 0|Sigma
3 17|smc PENTAX-FA SOFT 85mm f/2.8
3 18|smc PENTAX-F 1.7X AF ADAPTER
3 19|smc PENTAX-F 24-50mm f/4
3 20|smc PENTAX-F 35-80mm f/4-5.6
3 21|smc PENTAX-F 80-200mm f/4.7-5.6
3 22|smc PENTAX-F FISH-EYE 17-28mm f/3.5-4.5
3 23|smc PENTAX-F 100-300mm f/4.5-5.6 or Sigma Lens
3 23.1|Sigma AF 28-300mm f/3.5-5.6 DL IF
3 23.2|Sigma AF 28-300mm f/3.5-6.3 DG IF Macro
3 24|smc PENTAX-F 35-135mm f/3.5-4.5
3 25|smc PENTAX-F 35-105mm f/4-5.6 or Sigma or Tokina Lens
3 25.1|Sigma AF 28-300mm f/3.5-5.6 DL IF
3 25.2|Sigma 55-200mm f/4-5.6 DC
3 25.3|Sigma AF 28-300mm f/3.5-5.6 DL IF
3 25.4|Sigma AF 28-300mm f/3.5-6.3 DG IF Macro
3 25.5|Tokina 80-200mm f/2.8 ATX-Pro
3 26|smc PENTAX-F* 250-600mm f/5.6 ED[IF]
3 27|smc PENTAX-F 28-80mm f/3.5-4.5 or Tokina Lens
3 27.1|Tokina AT-X Pro AF 28-70mm f/2.6-2.8
3 28|smc PENTAX-F 35-70mm f/3.5-4.5 or Tokina Lens
3 28.1|Tokina 19-35mm f/3.5-4.5 AF
3 29|PENTAX-F 28-80mm f/3.5-4.5 or Sigma or Tokina Lens
3 29.1|Sigma AF 18-125mm f/3.5-5.6 DC
3 29.2|Tokina AT-X PRO 28-70mm f/2.6-2.8
3 30|PENTAX-F 70-200mm f/4-5.6
3 31|smc PENTAX-F 70-210mm f/4-5.6 or Tokina or Takumar Lens
3 31.1|Tokina AF 730 75-300mm f/4.5-5.6
3 31.2|Takumar-F 70-210mm f/4-5.6
3 32|smc PENTAX-F 50mm f/1.4
3 33|smc PENTAX-F 50mm f/1.7
3 34|smc PENTAX-F 135mm f/2.8 [IF]
3 35|smc PENTAX-F 28mm f/2.8
3 36|Sigma 20mm f/1.8 EX DG Aspherical RF
3 38|smc PENTAX-F* 300mm f/4.5 ED[IF]
3 39|smc PENTAX-F* 600mm f/4 ED[IF]
3 40|smc PENTAX-F MACRO 100mm f/2.8
3 41|smc PENTAX-F MACRO 50mm f/2.8 or Sigma Lens
3 41.1|Sigma 50mm f/2.8 Macro
3 44|Sigma or Tamron Lens (3 44)
3 44.1|Sigma AF 10-20mm f/4-5.6 EX DC
3 44.2|Sigma 12-24mm f/4.5 EX DG
3 44.3|Sigma 17-70mm f/2.8-4.5 DC Macro
3 44.4|Sigma 18-50mm f/3.5-5.6 DC
3 44.5|Tamron 35-90mm f/4 AF
3 46|Sigma Lens (3 46)
3 46.1|Sigma APO 70-200mm f/2.8 EX
3 46.2|Sigma EX APO 100-300mm f/4 IF
3 50|smc PENTAX-FA 28-70mm f/4 AL
3 51|Sigma 28mm f/1.8 EX DG Aspherical Macro
3 52|smc PENTAX-FA 28-200mm f/3.8-5.6 AL[IF] or Tamron Lens
3 52.1|Tamron AF LD 28-200mm f/3.8-5.6 [IF] Aspherical (171D)
3 53|smc PENTAX-FA 28-80mm f/3.5-5.6 AL
3 247|smc PENTAX-DA FISH-EYE 10-17mm f/3.5-4.5 ED[IF]
3 248|smc PENTAX-DA 12-24mm f/4 ED AL[IF]
3 250|smc PENTAX-DA 50-200mm f/4-5.6 ED
3 251|smc PENTAX-DA 40mm f/2.8 Limited
3 252|smc PENTAX-DA 18-55mm f/3.5-5.6 AL
3 253|smc PENTAX-DA 14mm f/2.8 ED[IF]
3 254|smc PENTAX-DA 16-45mm f/4 ED AL
3 255|Sigma Lens (3 255)
3 255.1|Sigma 18-200mm f/3.5-6.3 DC
3 255.2|Sigma DL-II 35-80mm f/4-5.6
3 255.3|Sigma DL Zoom 75-300mm f/4-5.6
3 255.4|Sigma DF EX Aspherical 28-70mm f/2.8
3 255.5|Sigma AF Tele 400mm f/5.6 Multi-coated
3 255.6|Sigma 24-60mm f/2.8 EX DG
3 255.7|Sigma 70-300mm f/4-5.6 Macro
3 255.8|Sigma 55-200mm f/4-5.6 DC
3 255.9|Sigma 18-50mm f/2.8 EX DC
4 1|smc PENTAX-FA SOFT 28mm f/2.8
4 2|smc PENTAX-FA 80-320mm f/4.5-5.6
4 3|smc PENTAX-FA 43mm f/1.9 Limited
4 6|smc PENTAX-FA 35-80mm f/4-5.6
4 12|smc PENTAX-FA 50mm f/1.4
4 15|smc PENTAX-FA 28-105mm f/4-5.6 [IF]
4 16|Tamron AF 80-210mm f/4-5.6 (178D)
4 19|Tamron SP AF 90mm f/2.8 (172E)
4 20|smc PENTAX-FA 28-80mm f/3.5-5.6
4 21|Cosina AF 100-300mm f/5.6-6.7
4 22|Tokina 28-80mm f/3.5-5.6
4 23|smc PENTAX-FA 20-35mm f/4 AL
4 24|smc PENTAX-FA 77mm f/1.8 Limited
4 25|Tamron SP AF 14mm f/2.8
4 26|smc PENTAX-FA MACRO 100mm f/3.5 or Cosina Lens
4 26.1|Cosina 100mm f/3.5 Macro
4 27|Tamron AF 28-300mm f/3.5-6.3 LD Aspherical[IF] Macro (185D/285D)
4 28|smc PENTAX-FA 35mm f/2 AL
4 29|Tamron AF 28-200mm f/3.8-5.6 LD Super II Macro (371D)
4 34|smc PENTAX-FA 24-90mm f/3.5-4.5 AL[IF]
4 35|smc PENTAX-FA 100-300mm f/4.7-5.8
4 36|Tamron AF70-300mm f/4-5.6 LD Macro
4 37|Tamron SP AF 24-135mm f/3.5-5.6 AD AL (190D)
4 38|smc PENTAX-FA 28-105mm f/3.2-4.5 AL[IF]
4 39|smc PENTAX-FA 31mm f/1.8AL Limited
4 41|Tamron AF 28-200mm Super Zoom f/3.8-5.6 Aspherical XR [IF] Macro (A03)
4 43|smc PENTAX-FA 28-90mm f/3.5-5.6
4 44|smc PENTAX-FA J 75-300mm f/4.5-5.8 AL
4 45|Tamron Lens (4 45)
4 45.1|Tamron 28-300mm f/3.5-6.3 Ultra zoom XR
4 45.2|Tamron AF 28-300mm f/3.5-6.3 XR Di LD Aspherical [IF] Macro
4 46|smc PENTAX-FA J 28-80mm f/3.5-5.6 AL
4 47|smc PENTAX-FA J 18-35mm f/4-5.6 AL
4 49|Tamron SP AF 28-75mm f/2.8 XR Di (A09)
4 51|smc PENTAX-D FA 50mm f/2.8 MACRO
4 52|smc PENTAX-D FA 100mm f/2.8 MACRO
4 75|Tamron SP AF 70-200mm f/2.8 Di LD [IF] Macro (A001)
4 229|smc PENTAX-DA 18-55mm f/3.5-5.6 AL II
4 230|Tamron SP AF 17-50mm f/2.8 XR Di II
4 231|smc PENTAX-DA 18-250mm f/3.5-6.3 ED AL [IF]
4 237|Samsung/Schneider D-XENOGON 10-17mm f/3.5-4.5
4 239|Samsung D-XENON 12-24mm f/4 ED AL [IF]
4 243|smc PENTAX-DA 70mm f/2.4 Limited
4 244|smc PENTAX-DA 21mm f/3.2 AL Limited
4 245|Schneider D-XENON 50-200mm f/4-5.6
4 246|Schneider D-XENON 18-55mm f/3.5-5.6
4 247|smc PENTAX-DA FISH-EYE 10-17mm f/3.5-4.5 ED[IF]
4 248|smc PENTAX-DA 12-24mm f/4 ED AL [IF]
4 249|Tamron XR DiII 18-200mm f/3.5-6.3 (A14)
4 250|smc PENTAX-DA 50-200mm f/4-5.6 ED
4 251|smc PENTAX-DA 40mm f/2.8 Limited
4 252|smc PENTAX-DA 18-55mm f/3.5-5.6 AL
4 253|smc PENTAX-DA 14mm f/2.8 ED[IF]
4 254|smc PENTAX-DA 16-45mm f/4 ED AL
5 1|smc PENTAX-FA* 24mm f/2 AL[IF]
5 2|smc PENTAX-FA 28mm f/2.8 AL
5 3|smc PENTAX-FA 50mm f/1.7
5 4|smc PENTAX-FA 50mm f/1.4
5 5|smc PENTAX-FA* 600mm f/4 ED[IF]
5 6|smc PENTAX-FA* 300mm f/4.5 ED[IF]
5 7|smc PENTAX-FA 135mm f/2.8 [IF]
5 8|smc PENTAX-FA MACRO 50mm f/2.8
5 9|smc PENTAX-FA MACRO 100mm f/2.8
5 10|smc PENTAX-FA* 85mm f/1.4 [IF]
5 11|smc PENTAX-FA* 200mm f/2.8 ED[IF]
5 12|smc PENTAX-FA 28-80mm f/3.5-4.7
5 13|smc PENTAX-FA 70-200mm f/4-5.6
5 14|smc PENTAX-FA* 250-600mm f/5.6 ED[IF]
5 15|smc PENTAX-FA 28-105mm f/4-5.6
5 16|smc PENTAX-FA 100-300mm f/4.5-5.6
5 98|smc PENTAX-FA 100-300mm f/4.5-5.6
6 1|smc PENTAX-FA* 85mm f/1.4 [IF]
6 2|smc PENTAX-FA* 200mm f/2.8 ED[IF]
6 3|smc PENTAX-FA* 300mm f/2.8 ED[IF]
6 4|smc PENTAX-FA* 28-70mm f/2.8 AL
6 5|smc PENTAX-FA* 80-200mm f/2.8 ED[IF]
6 6|smc PENTAX-FA* 28-70mm f/2.8 AL
6 7|smc PENTAX-FA* 80-200mm f/2.8 ED[IF]
6 8|smc PENTAX-FA 28-70mm f/4AL
6 9|smc PENTAX-FA 20mm f/2.8
6 10|smc PENTAX-FA* 400mm f/5.6 ED[IF]
6 13|smc PENTAX-FA* 400mm f/5.6 ED[IF]
6 14|smc PENTAX-FA* MACRO 200mm f/4 ED[IF]
7 0|smc PENTAX-DA 21mm f/3.2 AL Limited
7 75|Tamron SP AF 70-200mm f/2.8 Di LD [IF] Macro (A001)
7 202|smc PENTAX-DA L 18-55mm f/3.5-5.6 AL WR
7 214|smc PENTAX-DA 35mm f/2.4 AL
7 216|smc PENTAX-DA L 55-300mm f/4-5.8 ED
7 217|smc PENTAX-DA 50-200mm f/4-5.6 ED WR
7 218|smc PENTAX-DA 18-55mm f/3.5-5.6 AL WR
7 220|Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical [IF]
7 222|smc PENTAX-DA 18-55mm f/3.5-5.6 AL II
7 223|Samsung D-XENON 18-55mm f/3.5-5.6 II
7 224|smc PENTAX-DA 15mm f/4 ED AL Limited
7 225|Samsung D-XENON 18-250mm f/3.5-6.3
7 226|smc PENTAX-DA* 55mm f/1.4 SDM (SDM unused)
7 227|smc PENTAX DA* 60-250mm f/4 [IF] SDM (SDM unused)
7 229|smc PENTAX-DA 18-55mm f/3.5-5.6 AL II
7 230|Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16)
7 231|smc PENTAX-DA 18-250mm f/3.5-6.3 ED AL [IF]
7 233|smc PENTAX-DA 35mm f/2.8 Macro Limited
7 234|smc PENTAX-DA* 300mm f/4 ED [IF] SDM (SDM unused)
7 235|smc PENTAX-DA* 200mm f/2.8 ED [IF] SDM (SDM unused)
7 236|smc PENTAX-DA 55-300mm f/4-5.8 ED
7 238|Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical (IF) Macro
7 241|smc PENTAX-DA* 50-135mm f/2.8 ED [IF] SDM (SDM unused)
7 242|smc PENTAX-DA* 16-50mm f/2.8 ED AL [IF] SDM (SDM unused)
7 243|smc PENTAX-DA 70mm f/2.4 Limited
7 244|smc PENTAX-DA 21mm f/3.2 AL Limited
8 14|Sigma 17-70mm f/2.8-4 DC Macro OS HSM
8 18|Sigma 8-16mm f/4.5-5.6 DC HSM
8 215|smc PENTAX-DA 18-135mm f/3.5-5.6 ED AL [IF] DC WR
8 226|smc PENTAX-DA* 55mm f/1.4 SDM
8 227|smc PENTAX DA* 60-250mm f/4 [IF] SDM
8 232|smc PENTAX-DA 17-70mm f/4 AL [IF] SDM
8 234|smc PENTAX-DA* 300mm f/4 ED [IF] SDM
8 235|smc PENTAX-DA* 200mm f/2.8 ED [IF] SDM
8 241|smc PENTAX-DA* 50-135mm f/2.8 ED [IF] SDM
8 242|smc PENTAX-DA* 16-50mm f/2.8 ED AL [IF] SDM
8 255|Sigma Lens (8 255)
8 255.1|Sigma 70-200mm f/2.8 EX DG Macro HSM II
8 255.2|Sigma APO 150-500mm f/5-6.3 DG OS HSM
8 255.3|Sigma 50-150mm f/2.8 EX APO DC HSM II
11 4|smc PENTAX-FA 645 45-85mm f/4.5
11 8|smc PENTAX-FA 645 80-160mm f/4.5
11 11|smc PENTAX-FA 645 35mm f/3.5 AL [IF]
11 17|smc PENTAX-FA 645 150-300mm f/5.6 ED [IF]
13 18|smc PENTAX-D FA 645 55mm f/2.8 AL [IF] SDM AW

next items added 2016.03.29 from http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Pentax.html#LensType
3 23.3|Tokina 80-200mm F2.8 ATX-Pro
3 28.2|Tokina AT-X AF 400mm F5.6
3 42|Sigma 300mm F2.8 EX DG APO IF
3 46.3|Samsung/Schneider D-XENON 50-200mm F4-5.6 ED
4 55|Samsung/Schneider D-XENOGON 35mm F2
4 56|Samsung/Schneider D-XENON 100mm F2.8 Macro
4 214|smc PENTAX-DA 35mm F2.4 AL
4 242|smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM (SDM unused)
7 58|smc PENTAX-D FA Macro 100mm F2.8 WR
7 201|smc Pentax-DA L 50-200mm F4-5.6 ED WR
7 203|HD PENTAX-DA 55-300mm F4-5.8 ED WR
7 204|HD PENTAX-DA 15mm F4 ED AL Limited
7 205|HD PENTAX-DA 35mm F2.8 Macro Limited
7 206|HD PENTAX-DA 70mm F2.4 Limited
7 207|HD PENTAX-DA 21mm F3.2 ED AL Limited
7 208|HD PENTAX-DA 40mm F2.8 Limited
7 212|smc PENTAX-DA 50mm F1.8
7 213|smc PENTAX-DA 40mm F2.8 XS
7 221|smc PENTAX-DA L 50-200mm F4-5.6 ED
7 228|Samsung 16-45mm F4 ED
8 0|Sigma 50-150mm F2.8 II APO EX DC HSM
8 3|Sigma AF 18-125mm F3.5-5.6 DC
8 4|Sigma 50mm F1.4 EX DG HSM
8 7|Sigma 24-70mm F2.8 IF EX DG HSM
8 8|Sigma 18-250mm F3.5-6.3 DC OS HSM
8 11|Sigma 10-20mm F3.5 EX DC HSM
8 12|Sigma 70-300mm F4-5.6 DG OS
8 13|Sigma 120-400mm F4.5-5.6 APO DG OS HSM
8 15|Sigma 150-500mm F5-6.3 APO DG OS HSM
8 16|Sigma 70-200mm F2.8 EX DG Macro HSM II
8 17|Sigma 50-500mm F4.5-6.3 DG OS HSM
8 21|Sigma 17-50mm F2.8 EX DC OS HSM
8 22|Sigma 85mm F1.4 EX DG HSM
8 23|Sigma 70-200mm F2.8 APO EX DG OS HSM
8 25|Sigma 17-50mm F2.8 EX DC HSM
8 27|Sigma 18-200mm F3.5-6.3 II DC HSM
8 28|Sigma 18-250mm F3.5-6.3 DC Macro HSM
8 29|Sigma 35mm F1.4 DG HSM
8 30|Sigma 17-70mm F2.8-4 DC Macro HSM | C
8 31|Sigma 18-35mm F1.8 DC HSM
8 32|Sigma 30mm F1.4 DC HSM | A
8 34|Sigma 18-300mm F3.5-6.3 DC Macro HSM
8 59|HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW
8 60|HD PENTAX-D FA* 70-200mm F2.8 ED DC AW
8 61|HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR
8 62|HD PENTAX-D FA 24-70mm F2.8 ED SDM WR
8 63|HD PENTAX-D FA 15-30mm F2.8 ED SDM WR
8 198|smc PENTAX-DA L 18-50mm F4-5.6 DC WR RE
8 199|HD PENTAX-DA 18-50mm F4-5.6 DC WR RE
8 200|HD PENTAX-DA 16-85mm F3.5-5.6 ED DC WR
8 209|HD PENTAX-DA 20-40mm F2.8-4 ED Limited DC WR
8 210|smc PENTAX-DA 18-270mm F3.5-6.3 ED SDM
8 211|HD PENTAX-DA 560mm F5.6 ED AW
8 255.4|Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye
8 255.5|Sigma 50-200mm F4-5.6 DC OS
8 255.6|Sigma 24-70mm F2.8 EX DG HSM
9 0|645 Manual Lens
10 0|645 A Series Lens
11 1|smc PENTAX-FA 645 75mm F2.8
11 2|smc PENTAX-FA 645 45mm F2.8
11 3|smc PENTAX-FA* 645 300mm F4 ED [IF]
11 5|smc PENTAX-FA 645 400mm F5.6 ED [IF]
11 7|smc PENTAX-FA 645 Macro 120mm F4
11 9|smc PENTAX-FA 645 200mm F4 [IF]
11 10|smc PENTAX-FA 645 150mm F2.8 [IF]
11 12|smc PENTAX-FA 645 300mm F5.6 ED [IF]
11 14|smc PENTAX-FA 645 55-110mm F5.6
11 16|smc PENTAX-FA 645 33-55mm F4.5 AL
11 21|HD PENTAX-D FA 645 35mm F3.5 AL [IF]
13 19|smc PENTAX-D FA 645 25mm F4 AL [IF] SDM AW
13 20|HD PENTAX-D FA 645 90mm F2.8 ED AW SR
13 253|HD PENTAX-DA 645 28-45mm F4.5 ED AW SR
21 0|Pentax Q Manual Lens
21 1|01 Standard Prime 8.5mm F1.9
21 2|02 Standard Zoom 5-15mm F2.8-4.5
21 6|06 Telephoto Zoom 15-45mm F2.8
21 7|07 Mount Shield 11.5mm F9
21 8|08 Wide Zoom 3.8-5.9mm F3.7-4
22 3|03 Fish-eye 3.2mm F5.6
22 4|04 Toy Lens Wide 6.3mm F7.1
22 5|05 Toy Lens Telephoto 18mm F8
