Pentax K Lens Database
Compare stats for Pentax K-mount lenses with Aperturepedia's lens database
Column one and two feature the focal length and maximum aperture of each lens. Other columns show additional data for that lens, including the lens name, optical formula, dimensions, weight, and year introduced, among others.
Focal LengthFocal LengthMaximum ApertureMax. ApertureLens NameLens NameMinimum ApertureMin. ApertureElementsEl.GroupsGr.Aperture BladesBladesClose Focus (m)Close Focus (m)Filter Thread (mm)Filter Thread (mm)Diameter (mm)Diameter (mm)Length (mm)Length (mm)Weight (g)Weight (g)Date IntroducedYearStyleStyleResourcesResources
8.42.8SMC PENTAX FISH-EYE 1:2.8 8.4 mm11107?N/A?81.6139.7unknownPhotokina 1982SMC

SMC PENTAX FISH-EYE 1:2.8 8.4 mm

  Manufacturer Notes:

  Notes:Lens has no focusing ring

Source(s):

  Credit: (Source)

153.5SMC PENTAX 1:3.5/1522131260.3?8081.55501975SMC

SMC PENTAX 1:3.5/15

  Manufacturer Notes:

  Notes:Aspherical element(s); Built-in filters: Y48(Y2), Skylight, none, L39(UV), O56(O2)

Source(s):

  Credit: (Source)

SMC PENTAX 1:3.5/1522131260.3?80826001975SMC

SMC PENTAX 1:3.5/15

  Manufacturer Notes:

  Notes:Built-in filters: Y48(Y2), Skylight, none, L39(UV), O56(O2)

Source(s):

  Credit: (Source)

SMC PENTAX-A 1:3.5 15mm22131250.3?80825951984SMC-A

SMC PENTAX-A 1:3.5 15mm

  Manufacturer Notes:

  Notes:Built-in filters: Y48(Y2), Skylight, none, L39(UV), O56(O2)

Source(s):

  Credit: (Source)

162.8SMC PENTAX-A FISH-EYE 1:2.8 16mm229760.2?65563201985SMC-A

SMC PENTAX-A FISH-EYE 1:2.8 16mm

  Manufacturer Notes:

  Notes:Built-in filters: Y48(Y2), Skylight, none, O56(O2)

Source(s):

  Credit: (Source)

174SMC PENTAX FISH-EYE 1:4/172211760.2?65342351975SMC

SMC PENTAX FISH-EYE 1:4/17

  Manufacturer Notes:

  Notes:Built-in filters: Y48(Y2), Skylight, none, L39(UV), O56(O2)

Source(s):

  Credit: (Source)

183.5SMC PENTAX 1:3.5/1822121150.255863622951975SMC

SMC PENTAX 1:3.5/18

  Manufacturer Notes:

  Notes:Built-in filters: Cloudy, Skylight, Y48 (Y2), O56 (O2)

Source(s):

  Credit: (Source)

202.8SMC PENTAX-A 1:2.8 20mm2210950.25677043.52451985SMC-A

SMC PENTAX-A 1:2.8 20mm

4SMC PENTAX 1:4/2022121050.255863573001975SMC
SMC PENTAX-M 1:4 20mm228850.254963301501977SMC-M

SMC PENTAX-M 1:4 20mm

242.8SMC PENTAX 1:2.8 24mm229850.255263421951977SMC

SMC PENTAX 1:2.8 24mm

SMC PENTAX-A 1:2.8 24mm229850.255263422051984SMC-A

SMC PENTAX-A 1:2.8 24mm

3.5SMC PENTAX 1:3.5/24229850.255863462481975SMC
282SMC PENTAX 1:2/28229860.255262.5694231976SMC

SMC PENTAX 1:2/28

SMC PENTAX-M 1:2 28mm228760.34963422151980SMC-M

SMC PENTAX-M 1:2 28mm

SMC PENTAX-A 1:2 28mm228760.34963422151984SMC-A

SMC PENTAX-A 1:2 28mm

2.8SMC PENTAX-M 1:2.8 28mm227750.34963311561977SMC-M

SMC PENTAX-M 1:2.8 28mm

SMC PENTAX-M 1:2.8 28mm227750.34963371701982SMC-M

SMC PENTAX-M 1:2.8 28mm

SMC PENTAX-A 1:2.8 28mm227750.34963371701984SMC-A

SMC PENTAX-A 1:2.8 28mm

3.5SMC PENTAX 1:3.5/28228750.35263472611976SMC
SMC PENTAX-M 1:3.5 28mm226650.34963321801977SMC-M

SMC PENTAX-M 1:3.5 28mm

Shift283.5SMC PENTAX SHIFT 1:3.5/2832121180.3?80936111975SMC

SMC PENTAX SHIFT 1:3.5/28

  Manufacturer Notes:

  Notes:Shift Lens; Built-in filters: Y48(Y2), Skylight, O56(O2)

Source(s):

  Credit: (Source)

302.8SMC PENTAX 1:2.8/30227750.35263402151975SMC
351.4SMC PENTAX-M 1:1.4 35mm22108?0.45867.564.54201980SMC-M

SMC PENTAX-M 1:1.4 35mm

2SMC PENTAX 1:2/35228760.355263562951975SMC
SMC PENTAX-M 1:2 35mm227760.34963422051977SMC-M

SMC PENTAX-M 1:2 35mm

SMC PENTAX-A 1:2 35mm227760.34963422051984SMC-A

SMC PENTAX-A 1:2 35mm

2.8SMC PENTAX-M 1:2.8 35mm226650.34963371701977SMC-M

SMC PENTAX-M 1:2.8 35mm

SMC PENTAX-A 1:2.8 35mm226650.34963371701984SMC-A

SMC PENTAX-A 1:2.8 35mm

3.5SMC PENTAX 1:3.5/35225450.355263361611975SMC
402.8SMC PENTAX-M 1:2.8 40mm225450.64963181101976SMC-M
501.2SMC PENTAX 1:1.2/50227680.455265493851975SMC

SMC PENTAX 1:1.2/50

SMC PENTAX-A 1:1.2 50mm227690.455265493451984SMC-A

SMC PENTAX-A 1:1.2 50mm

1.4SMC PENTAX 1:1.4/50227680.455263422651975SMC

SMC PENTAX 1:1.4/50

SMC PENTAX-M 1:1.4 50mm227680.454963372351977SMC-M

SMC PENTAX-M 1:1.4 50mm

SMC PENTAX-A 1:1.4 50mm227680.454963372351984SMC-A

SMC PENTAX-A 1:1.4 50mm

1.7SMC PENTAX-M 1:1.7 50mm226560.454963311851977SMC-M

SMC PENTAX-M 1:1.7 50mm

SMC PENTAX-A 1:1.7 50mm226560.454963311651984SMC-A

SMC PENTAX-A 1:1.7 50mm

2SMC PENTAX-M 1:2 50mm225560.454963311601979SMC-M

SMC PENTAX-M 1:2 50mm

SMC PENTAX-A 1:2 50mm225560.454963311451985SMC-A

SMC PENTAX-A 1:2 50mm

Macro502.8SMC PENTAX-A MACRO 1:2.8 50mm226460.244963502201984SMC-A

SMC PENTAX-A MACRO 1:2.8 50mm

4SMC PENTAX MACRO 1:4/50324350.235263542411975SMC
SMC PENTAX-M MACRO 1:4 50mm324350.234963431651977SMC-M

SMC PENTAX-M MACRO 1:4 50mm

551.8SMC PENTAX 1:1.8/55226560.455263392211975SMC

SMC PENTAX 1:1.8/55

2SMC PENTAX 1:2 55mm226560.455263392211976SMC

SMC PENTAX 1:2 55mm

851.4SMC PENTAX-A* 1:1.4 85mm227690.856774665551984SMC-A

SMC PENTAX-A* 1:1.4 85mm

1.8SMC PENTAX 1:1.8/85226680.855264563311975SMC
2SMC PENTAX-M 1:2 85mm225460.854963462501977SMC-M

SMC PENTAX-M 1:2 85mm

Soft852.2SMC PENTAX SOFT 1:2.2 85mm5.62160.574972522351986SMC

SMC PENTAX SOFT 1:2.2 85mm

1002.8SMC PENTAX-M 1:2.8 100mm2255614963562251977SMC-M

SMC PENTAX-M 1:2.8 100mm

SMC PENTAX-A 1:2.8 100mm2255614963562601984SMC-A

SMC PENTAX-A 1:2.8 100mm

Macro1002.8SMC PENTAX-A MACRO 1:2.8 100mm227780.315874934701985SMC-A

SMC PENTAX-A MACRO 1:2.8 100mm

4SMC PENTAX MACRO 1:4/100325360.455265823701975SMC
SMC PENTAX-M MACRO 1:4 100mm325360.454965783601977SMC-M

SMC PENTAX-M MACRO 1:4 100mm

SMC PENTAX-A MACRO 1:4 100mm325360.454965783401984SMC-A

SMC PENTAX-A MACRO 1:4 100mm

Dental Macro1004SMC PENTAX-M DENTAL MACRO 1:4 100mm325360.454965783601977SMC-M

SMC PENTAX-M DENTAL MACRO 1:4 100mm

  Manufacturer Notes:

  Notes:Dental macro lens

Source(s):

  Credit: (Source)

SMC PENTAX-A DENTAL MACRO 1:4 100mm325360.454965783401984SMC-A

SMC PENTAX-A DENTAL MACRO 1:4 100mm

  Manufacturer Notes:

  Notes:Dental macro lens

Source(s):

  Credit: (Source)

Bellows1004SMC PENTAX BELLOWS 1:4/10032536N/A5260401851975SMC

SMC PENTAX BELLOWS 1:4/100

1052.8SMC PENTAX 1:2.8/105325461.25263633041975SMC

SMC PENTAX 1:2.8/105

1202.8SMC PENTAX 1:2.8/120325461.25263753551975SMC

SMC PENTAX 1:2.8/120

SMC PENTAX-M 1:2.8 120mm325581.24963632701977SMC-M

SMC PENTAX-M 1:2.8 120mm

1351.8SMC PENTAX-A* 1:1.8 135mm227691.27780988651984SMC-A

SMC PENTAX-A* 1:1.8 135mm

2.5SMC PENTAX 1:2.5/135326681.55868865001975SMC

SMC PENTAX 1:2.5/135

2.8SMC PENTAX-A 1:2.8 135mm324481.25265773401985SMC-A

SMC PENTAX-A 1:2.8 135mm

3.5SMC PENTAX 1:3.5/135324461.55263883651975SMC

SMC PENTAX 1:3.5/135

SMC PENTAX-M 1:3.5 135mm325581.54963662701977SMC-M

SMC PENTAX-M 1:3.5 135mm

1503.5SMC PENTAX-M 1:3.5 150mm325561.84963752901977SMC-M

SMC PENTAX-M 1:3.5 150mm

4SMC PENTAX 1:4/150325561.85263963731975SMC

SMC PENTAX 1:4/150

2002.5SMC PENTAX 1:2.5 200mm32668277891459501977SMC

SMC PENTAX 1:2.5 200mm

2.8SMC PENTAX-A* 1:2.8 200mm ED326681.877911388501984SMC-A

SMC PENTAX-A* 1:2.8 200mm ED

  Manufacturer Notes:

  Notes:Extra-low dispersion element(s)

Source(s):

  Credit: (Source)

4SMC PENTAX 1:4/20032556258651375351975SMC

SMC PENTAX 1:4/200

SMC PENTAX-M 1:4 200mm32658252641114051977SMC-M

SMC PENTAX-M 1:4 200mm

SMC PENTAX-A 1:4 200mm326681.952641114051984SMC-A

SMC PENTAX-A 1:4 200mm

Macro2004SMC PENTAX-A* MACRO 1:4 200mm ED3210980.5558711458951984SMC-A

SMC PENTAX-A* MACRO 1:4 200mm ED

  Manufacturer Notes:

  Notes:Extra-low dispersion element(s)

Source(s):

  Credit: (Source)

3002.8SMC PENTAX-A* 1:2.8 300mm ED(IF)328883112 / 49r13323629701984SMC-A

SMC PENTAX-A* 1:2.8 300mm ED(IF)

  Manufacturer Notes:

  Notes:Extra-low dispersion element(s); Internal focusing

Source(s):

  Credit: (Source)

4SMC PENTAX 1:4/300327584778518810201975SMC
SMC PENTAX-M* 1:4 300mm32878477841328251981SMC-M
SMC PENTAX-A* 1:4 300mm32878477841328501984SMC-A
4002.8SMC PENTAX-A* 1:2.8 400mm ED(IF)328884.5145 / 49r16532560001986SMC-A

SMC PENTAX-A* 1:2.8 400mm ED(IF)

  Manufacturer Notes:

  Notes:Extra-low dispersion element(s); Internal focusing

Source(s):

  Credit: (Source)

5.6SMC PENTAX 1:5.6/4004555108778527712851975SMC
SMC PENTAX-M 1:5.6 400mm455585778527712201977SMC-M

SMC PENTAX-M 1:5.6 400mm

SMC PENTAX-A 1:5.6 400mm457692.8778527712401984SMC-A

SMC PENTAX-A 1:5.6 400mm

5004.5SMC PENTAX 1:4.5/5004544101052r12744033701975SMC
6005.6SMC PENTAX-A* 1:5.6 600mm ED(IF)458695.5112 / 49r13338632801984SMC-A

SMC PENTAX-A* 1:5.6 600mm ED(IF)

  Manufacturer Notes:

  Notes:Extra-low dispersion element(s); Internal focusing

Source(s):

  Credit: (Source)

10008SMC PENTAX 1:8/10004555103052r14373852901975SMC
11SMC PENTAX REFLEX 1:11 1000mm1164?852r11924823001977SMC

SMC PENTAX REFLEX 1:11 1000mm

12008SMC PENTAX-A* 1:8 1200mm ED(IF)4598?8150 / 49r17068485801986SMC-A

SMC PENTAX-A* 1:8 1200mm ED(IF)

  Manufacturer Notes:

  Notes:Extra-low dispersion element(s); Internal focusing

Source(s):

  Credit: (Source)

200013.5SMC PENTAX REFLEX 1:13.5 2000mm13.564?2052r18053080001979SMC

SMC PENTAX REFLEX 1:13.5 2000mm

SMC PENTAX-M REFLEX 1:13.5 2000mm13.564?2052r18053080001982SMC-M

SMC PENTAX-M REFLEX 1:13.5 2000mm

24-353.5SMC PENTAX-M ZOOM 1:3.5 24mm~35mm229960.55864482901980SMC-M

SMC PENTAX-M ZOOM 1:3.5 24mm~35mm

24-504SMC PENTAX-M ZOOM 1:4 24~50mm22121060.45864673801980SMC-M

SMC PENTAX-M ZOOM 1:4 24~50mm

SMC PENTAX-A ZOOM 1:4 24~50mm22111060.45864683751984SMC-A

SMC PENTAX-A ZOOM 1:4 24~50mm

28-503.5SMC PENTAX ZOOM 1:3.5 28mm~1:4.5 50mm22101060.555265523151975SMC

SMC PENTAX ZOOM 1:3.5 28mm~1:4.5 50mm

SMC PENTAX-M ZOOM 1:3.5 28mm~1:4.5 50mm22101060.65265523101979SMC-M

SMC PENTAX-M ZOOM 1:3.5 28mm~1:4.5 50mm

28-803.5-4.5SMC PENTAX-A ZOOM 1:3.5-4.5 28-80mm2212950.85863753551986SMC-A

SMC PENTAX-A ZOOM 1:3.5-4.5 28-80mm

28-1354SMC PENTAX-A ZOOM 1:4 28~135mm22171561.777801128201984SMC-A

SMC PENTAX-A ZOOM 1:4 28~135mm

35-702.8SMC PENTAX-M ZOOM 1:2.8 35mm~1:3.5 70mm2277715867764701979SMC-M

SMC PENTAX-M ZOOM 1:2.8 35mm~1:3.5 70mm

3.5-4.5SMC PENTAX-A ZOOM 1:3.5~4.5 35~70mm228860.324966502431985SMC-A

SMC PENTAX-A ZOOM 1:3.5~4.5 35~70mm

4SMC PENTAX-A ZOOM 1:4 35~70mm227760.255865803301984SMC-A

SMC PENTAX-A ZOOM 1:4 35~70mm

35-804-5.6SMC PENTAX-A 1:4-5.6 35-80mm227660.44965581851995SMC-A

SMC PENTAX-A 1:4-5.6 35-80mm

35-1053.5SMC PENTAX-A ZOOM 1:3.5 35~105mm22151361.56770986151984SMC-A

SMC PENTAX-A ZOOM 1:3.5 35~105mm

35-1353.5-4.5SMC PENTAX-A ZOOM 1:3.5~4.5 35~135mm32161260.755863924501986SMC-A

SMC PENTAX-A ZOOM 1:3.5~4.5 35~135mm

35-2103.5-4.5SMC PENTAX-A ZOOM 1:3.5~4.5 35~210mm22171481.167711267751986SMC-A

SMC PENTAX-A ZOOM 1:3.5~4.5 35~210mm

40-802.8-4SMC PENTAX-M ZOOM 1:2.8~4 40~80mm227771.24966763951980SMC-M

SMC PENTAX-M ZOOM 1:2.8~4 40~80mm

45-1254SMC PENTAX ZOOM 1:4/45~12522141161.558691276151975SMC

SMC PENTAX ZOOM 1:4/45~125

70-2104SMC PENTAX-A ZOOM 1:4 70~210mm32131081.258721496801984SMC-A

SMC PENTAX-A ZOOM 1:4 70~210mm

75-1504SMC PENTAX-M ZOOM 1:4 75mm~150mm3212961.249641114651980SMC-M

SMC PENTAX-M ZOOM 1:4 75mm~150mm

80-2004.5SMC PENTAX ZOOM 1:4.5 80mm~200mm32151281.652651425551977SMC

SMC PENTAX ZOOM 1:4.5 80mm~200mm

SMC PENTAX-M ZOOM 1:4.5 80mm~200mm32151281.652651425551979SMC-M

SMC PENTAX-M ZOOM 1:4.5 80mm~200mm

SMC PENTAX-M ZOOM 1:4.5 80~200mm3212981.252681466151984SMC-M

SMC PENTAX-M ZOOM 1:4.5 80~200mm

4.7-5.6SMC PENTAX-A 1:4.7-5.6 80-200mm3211781.149651002951995SMC-A

SMC PENTAX-A 1:4.7-5.6 80-200mm

85-2103.5SMC PENTAX ZOOM 1:3.5/85~21032121193.5677720810501976SMC

SMC PENTAX ZOOM 1:3.5/85~210

4.5SMC PENTAX ZOOM 1:4.5/85~21032111063.558682187291975SMC

SMC PENTAX ZOOM 1:4.5/85~210

135-6006.7SMC PENTAX ZOOM 1:6.7/135~60045151210652r10558240701975SMC

SMC PENTAX ZOOM 1:6.7/135~600

  Manufacturer Notes:

  Notes:tripod collar, manual diaphragm

Source(s):

  Credit: (Source)

400-6008-12SMC PENTAX REFLEX ZOOM 1:8~12 400~6008127?367 / 40r821087301984SMC

SMC PENTAX REFLEX ZOOM 1:8~12 400~600