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 Length	Maximum ApertureMax. Aperture	Lens NameLens Name	Minimum ApertureMin. Aperture	ElementsEl.	GroupsGr.	Aperture BladesBlades	Close Focus (m)Close Focus (m)	Filter Thread (mm)Filter Thread (mm)	Diameter (mm)Diameter (mm)	Length (mm)Length (mm)	Weight (g)Weight (g)	Date IntroducedYear	StyleStyle
8.4	2.8	SMC PENTAX FISH-EYE 1:2.8 8.4 mm	11	10	7	?	N/A	?	81.6	139.7	unknown	Photokina 1982	SMC
15	3.5	SMC PENTAX 1:3.5/15	22	13	12	6	0.3	?	80	81.5	550	1975	SMC
		SMC PENTAX 1:3.5/15	22	13	12	6	0.3	?	80	82	600	1975	SMC
		SMC PENTAX-A 1:3.5 15mm	22	13	12	5	0.3	?	80	82	595	1984	SMC-A
16	2.8	SMC PENTAX-A FISH-EYE 1:2.8 16mm	22	9	7	6	0.2	?	65	56	320	1985	SMC-A
17	4	SMC PENTAX FISH-EYE 1:4/17	22	11	7	6	0.2	?	65	34	235	1975	SMC
18	3.5	SMC PENTAX 1:3.5/18	22	12	11	5	0.25	58	63	62	295	1975	SMC
20	2.8	SMC PENTAX-A 1:2.8 20mm	22	10	9	5	0.25	67	70	43.5	245	1985	SMC-A
	4	SMC PENTAX 1:4/20	22	12	10	5	0.25	58	63	57	300	1975	SMC
	4	SMC PENTAX-M 1:4 20mm	22	8	8	5	0.25	49	63	30	150	1977	SMC-M
24	2.8	SMC PENTAX 1:2.8 24mm	22	9	8	5	0.25	52	63	42	195	1977	SMC
	2.8	SMC PENTAX-A 1:2.8 24mm	22	9	8	5	0.25	52	63	42	205	1984	SMC-A
	3.5	SMC PENTAX 1:3.5/24	22	9	8	5	0.25	58	63	46	248	1975	SMC
28	2	SMC PENTAX 1:2/28	22	9	8	6	0.25	52	62.5	69	423	1976	SMC
		SMC PENTAX-M 1:2 28mm	22	8	7	6	0.3	49	63	42	215	1980	SMC-M
		SMC PENTAX-A 1:2 28mm	22	8	7	6	0.3	49	63	42	215	1984	SMC-A
	2.8	SMC PENTAX-M 1:2.8 28mm	22	7	7	5	0.3	49	63	31	156	1977	SMC-M
		SMC PENTAX-M 1:2.8 28mm	22	7	7	5	0.3	49	63	37	170	1982	SMC-M
		SMC PENTAX-A 1:2.8 28mm	22	7	7	5	0.3	49	63	37	170	1984	SMC-A
	3.5	SMC PENTAX 1:3.5/28	22	8	7	5	0.3	52	63	47	261	1976	SMC
	3.5	SMC PENTAX-M 1:3.5 28mm	22	6	6	5	0.3	49	63	32	180	1977	SMC-M
Shift28	3.5	SMC PENTAX SHIFT 1:3.5/28	32	12	11	8	0.3	?	80	93	611	1975	SMC
30	2.8	SMC PENTAX 1:2.8/30	22	7	7	5	0.3	52	63	40	215	1975	SMC
35	1.4	SMC PENTAX-M 1:1.4 35mm	22	10	8	?	0.4	58	67.5	64.5	420	1980	SMC-M
	2	SMC PENTAX 1:2/35	22	8	7	6	0.35	52	63	56	295	1975	SMC
		SMC PENTAX-M 1:2 35mm	22	7	7	6	0.3	49	63	42	205	1977	SMC-M
		SMC PENTAX-A 1:2 35mm	22	7	7	6	0.3	49	63	42	205	1984	SMC-A
	2.8	SMC PENTAX-M 1:2.8 35mm	22	6	6	5	0.3	49	63	37	170	1977	SMC-M
	2.8	SMC PENTAX-A 1:2.8 35mm	22	6	6	5	0.3	49	63	37	170	1984	SMC-A
	3.5	SMC PENTAX 1:3.5/35	22	5	4	5	0.35	52	63	36	161	1975	SMC
40	2.8	SMC PENTAX-M 1:2.8 40mm	22	5	4	5	0.6	49	63	18	110	1976	SMC-M
50	1.2	SMC PENTAX 1:1.2/50	22	7	6	8	0.45	52	65	49	385	1975	SMC
	1.2	SMC PENTAX-A 1:1.2 50mm	22	7	6	9	0.45	52	65	49	345	1984	SMC-A
	1.4	SMC PENTAX 1:1.4/50	22	7	6	8	0.45	52	63	42	265	1975	SMC
		SMC PENTAX-M 1:1.4 50mm	22	7	6	8	0.45	49	63	37	235	1977	SMC-M
		SMC PENTAX-A 1:1.4 50mm	22	7	6	8	0.45	49	63	37	235	1984	SMC-A
	1.7	SMC PENTAX-M 1:1.7 50mm	22	6	5	6	0.45	49	63	31	185	1977	SMC-M
	1.7	SMC PENTAX-A 1:1.7 50mm	22	6	5	6	0.45	49	63	31	165	1984	SMC-A
	2	SMC PENTAX-M 1:2 50mm	22	5	5	6	0.45	49	63	31	160	1979	SMC-M
	2	SMC PENTAX-A 1:2 50mm	22	5	5	6	0.45	49	63	31	145	1985	SMC-A
Macro50	2.8	SMC PENTAX-A MACRO 1:2.8 50mm	22	6	4	6	0.24	49	63	50	220	1984	SMC-A
	4	SMC PENTAX MACRO 1:4/50	32	4	3	5	0.23	52	63	54	241	1975	SMC
	4	SMC PENTAX-M MACRO 1:4 50mm	32	4	3	5	0.23	49	63	43	165	1977	SMC-M
55	1.8	SMC PENTAX 1:1.8/55	22	6	5	6	0.45	52	63	39	221	1975	SMC
55	2	SMC PENTAX 1:2 55mm	22	6	5	6	0.45	52	63	39	221	1976	SMC
85	1.4	SMC PENTAX-A* 1:1.4 85mm	22	7	6	9	0.85	67	74	66	555	1984	SMC-A
	1.8	SMC PENTAX 1:1.8/85	22	6	6	8	0.85	52	64	56	331	1975	SMC
	2	SMC PENTAX-M 1:2 85mm	22	5	4	6	0.85	49	63	46	250	1977	SMC-M
Soft85	2.2	SMC PENTAX SOFT 1:2.2 85mm	5.6	2	1	6	0.57	49	72	52	235	1986	SMC
100	2.8	SMC PENTAX-M 1:2.8 100mm	22	5	5	6	1	49	63	56	225	1977	SMC-M
100	2.8	SMC PENTAX-A 1:2.8 100mm	22	5	5	6	1	49	63	56	260	1984	SMC-A
Macro100	2.8	SMC PENTAX-A MACRO 1:2.8 100mm	22	7	7	8	0.31	58	74	93	470	1985	SMC-A
	4	SMC PENTAX MACRO 1:4/100	32	5	3	6	0.45	52	65	82	370	1975	SMC
		SMC PENTAX-M MACRO 1:4 100mm	32	5	3	6	0.45	49	65	78	360	1977	SMC-M
		SMC PENTAX-A MACRO 1:4 100mm	32	5	3	6	0.45	49	65	78	340	1984	SMC-A
Dental Macro100	4	SMC PENTAX-M DENTAL MACRO 1:4 100mm	32	5	3	6	0.45	49	65	78	360	1977	SMC-M
Dental Macro100	4	SMC PENTAX-A DENTAL MACRO 1:4 100mm	32	5	3	6	0.45	49	65	78	340	1984	SMC-A
Bellows100	4	SMC PENTAX BELLOWS 1:4/100	32	5	3	6	N/A	52	60	40	185	1975	SMC
105	2.8	SMC PENTAX 1:2.8/105	32	5	4	6	1.2	52	63	63	304	1975	SMC
120	2.8	SMC PENTAX 1:2.8/120	32	5	4	6	1.2	52	63	75	355	1975	SMC
120	2.8	SMC PENTAX-M 1:2.8 120mm	32	5	5	8	1.2	49	63	63	270	1977	SMC-M
135	1.8	SMC PENTAX-A* 1:1.8 135mm	22	7	6	9	1.2	77	80	98	865	1984	SMC-A
	2.5	SMC PENTAX 1:2.5/135	32	6	6	8	1.5	58	68	86	500	1975	SMC
	2.8	SMC PENTAX-A 1:2.8 135mm	32	4	4	8	1.2	52	65	77	340	1985	SMC-A
	3.5	SMC PENTAX 1:3.5/135	32	4	4	6	1.5	52	63	88	365	1975	SMC
	3.5	SMC PENTAX-M 1:3.5 135mm	32	5	5	8	1.5	49	63	66	270	1977	SMC-M
150	3.5	SMC PENTAX-M 1:3.5 150mm	32	5	5	6	1.8	49	63	75	290	1977	SMC-M
150	4	SMC PENTAX 1:4/150	32	5	5	6	1.8	52	63	96	373	1975	SMC
200	2.5	SMC PENTAX 1:2.5 200mm	32	6	6	8	2	77	89	145	950	1977	SMC
	2.8	SMC PENTAX-A* 1:2.8 200mm ED	32	6	6	8	1.8	77	91	138	850	1984	SMC-A
	4	SMC PENTAX 1:4/200	32	5	5	6	2	58	65	137	535	1975	SMC
		SMC PENTAX-M 1:4 200mm	32	6	5	8	2	52	64	111	405	1977	SMC-M
		SMC PENTAX-A 1:4 200mm	32	6	6	8	1.9	52	64	111	405	1984	SMC-A
Macro200	4	SMC PENTAX-A* MACRO 1:4 200mm ED	32	10	9	8	0.55	58	71	145	895	1984	SMC-A
300	2.8	SMC PENTAX-A* 1:2.8 300mm ED(IF)	32	8	8	8	3	112 / 49r	133	236	2970	1984	SMC-A
	4	SMC PENTAX 1:4/300	32	7	5	8	4	77	85	188	1020	1975	SMC
		SMC PENTAX-M* 1:4 300mm	32	8	7	8	4	77	84	132	825	1981	SMC-M
		SMC PENTAX-A* 1:4 300mm	32	8	7	8	4	77	84	132	850	1984	SMC-A
400	2.8	SMC PENTAX-A* 1:2.8 400mm ED(IF)	32	8	8	8	4.5	145 / 49r	165	325	6000	1986	SMC-A
	5.6	SMC PENTAX 1:5.6/400	45	5	5	10	8	77	85	277	1285	1975	SMC
		SMC PENTAX-M 1:5.6 400mm	45	5	5	8	5	77	85	277	1220	1977	SMC-M
		SMC PENTAX-A 1:5.6 400mm	45	7	6	9	2.8	77	85	277	1240	1984	SMC-A
500	4.5	SMC PENTAX 1:4.5/500	45	4	4	10	10	52r	127	440	3370	1975	SMC
600	5.6	SMC PENTAX-A* 1:5.6 600mm ED(IF)	45	8	6	9	5.5	112 / 49r	133	386	3280	1984	SMC-A
1000	8	SMC PENTAX 1:8/1000	45	5	5	10	30	52r	143	738	5290	1975	SMC
1000	11	SMC PENTAX REFLEX 1:11 1000mm	11	6	4	?	8	52r	119	248	2300	1977	SMC
1200	8	SMC PENTAX-A* 1:8 1200mm ED(IF)	45	9	8	?	8	150 / 49r	170	684	8580	1986	SMC-A
2000	13.5	SMC PENTAX REFLEX 1:13.5 2000mm	13.5	6	4	?	20	52r	180	530	8000	1979	SMC
2000	13.5	SMC PENTAX-M REFLEX 1:13.5 2000mm	13.5	6	4	?	20	52r	180	530	8000	1982	SMC-M
24-35	3.5	SMC PENTAX-M ZOOM 1:3.5 24mm~35mm	22	9	9	6	0.5	58	64	48	290	1980	SMC-M
24-50	4	SMC PENTAX-M ZOOM 1:4 24~50mm	22	12	10	6	0.4	58	64	67	380	1980	SMC-M
24-50	4	SMC PENTAX-A ZOOM 1:4 24~50mm	22	11	10	6	0.4	58	64	68	375	1984	SMC-A
28-50	3.5	SMC PENTAX ZOOM 1:3.5 28mm~1:4.5 50mm	22	10	10	6	0.55	52	65	52	315	1975	SMC
28-50	3.5	SMC PENTAX-M ZOOM 1:3.5 28mm~1:4.5 50mm	22	10	10	6	0.6	52	65	52	310	1979	SMC-M
28-80	3.5-4.5	SMC PENTAX-A ZOOM 1:3.5-4.5 28-80mm	22	12	9	5	0.8	58	63	75	355	1986	SMC-A
28-135	4	SMC PENTAX-A ZOOM 1:4 28~135mm	22	17	15	6	1.7	77	80	112	820	1984	SMC-A
35-70	2.8	SMC PENTAX-M ZOOM 1:2.8 35mm~1:3.5 70mm	22	7	7	7	1	58	67	76	470	1979	SMC-M
	3.5-4.5	SMC PENTAX-A ZOOM 1:3.5~4.5 35~70mm	22	8	8	6	0.32	49	66	50	243	1985	SMC-A
	4	SMC PENTAX-A ZOOM 1:4 35~70mm	22	7	7	6	0.25	58	65	80	330	1984	SMC-A
35-80	4-5.6	SMC PENTAX-A 1:4-5.6 35-80mm	22	7	6	6	0.4	49	65	58	185	1995	SMC-A
35-105	3.5	SMC PENTAX-A ZOOM 1:3.5 35~105mm	22	15	13	6	1.5	67	70	98	615	1984	SMC-A
35-135	3.5-4.5	SMC PENTAX-A ZOOM 1:3.5~4.5 35~135mm	32	16	12	6	0.75	58	63	92	450	1986	SMC-A
35-210	3.5-4.5	SMC PENTAX-A ZOOM 1:3.5~4.5 35~210mm	22	17	14	8	1.1	67	71	126	775	1986	SMC-A
40-80	2.8-4	SMC PENTAX-M ZOOM 1:2.8~4 40~80mm	22	7	7	7	1.2	49	66	76	395	1980	SMC-M
45-125	4	SMC PENTAX ZOOM 1:4/45~125	22	14	11	6	1.5	58	69	127	615	1975	SMC
70-210	4	SMC PENTAX-A ZOOM 1:4 70~210mm	32	13	10	8	1.2	58	72	149	680	1984	SMC-A
75-150	4	SMC PENTAX-M ZOOM 1:4 75mm~150mm	32	12	9	6	1.2	49	64	111	465	1980	SMC-M
80-200	4.5	SMC PENTAX ZOOM 1:4.5 80mm~200mm	32	15	12	8	1.6	52	65	142	555	1977	SMC
		SMC PENTAX-M ZOOM 1:4.5 80mm~200mm	32	15	12	8	1.6	52	65	142	555	1979	SMC-M
		SMC PENTAX-M ZOOM 1:4.5 80~200mm	32	12	9	8	1.2	52	68	146	615	1984	SMC-M
	4.7-5.6	SMC PENTAX-A 1:4.7-5.6 80-200mm	32	11	7	8	1.1	49	65	100	295	1995	SMC-A
85-210	3.5	SMC PENTAX ZOOM 1:3.5/85~210	32	12	11	9	3.5	67	77	208	1050	1976	SMC
85-210	4.5	SMC PENTAX ZOOM 1:4.5/85~210	32	11	10	6	3.5	58	68	218	729	1975	SMC
135-600	6.7	SMC PENTAX ZOOM 1:6.7/135~600	45	15	12	10	6	52r	105	582	4070	1975	SMC
400-600	8-12	SMC PENTAX REFLEX ZOOM 1:8~12 400~600	8	12	7	?	3	67 / 40r	82	108	730	1984	SMC