Pentax Normal Prime Lenses

Table 1. Pentax Normal Prime Lenses.
Lens	Elements- Groups	Min. Focus Distance (m)	Filter Dia- meter (mm)	Lens Diameter x Length (mm)	Weight (g)	In Production
M 40/2.8	5-4	0.6	49	63 x 18	110	no
DA 40/2.8 AL Limited	5-4	0.4	49	63 x 15	90	yes
FA 43/1.9 Limited	7-6	0.45	49	64 x 27	155	yes
K 50/1.2	7-6	0.45	52	65 x 49	385	no
A 50/1.2	7-6	0.45	52	65 x 49	345	no
K 50/1.4	7-6	0.45	52	63 x 42	265	no
M 50/1.4	7-6	0.45	49	63 x 37	235	no
A 50/1.4	7-6	0.45	49	63 x 37	235	no
F 50/1.4		0.45	49	63 x 37	230	no
FA 50/1.4		0.45	49	63 x 37	220	no
M 50/1.7	6-5	0.45	49	63 x 31	185	no
A 50/1.7		0.45	49	63 x 31	165	no
F 50/1.7		0.45	49	64.6 x 31	200	no
FA 50/1.7		0.45	49	63 x 31	170	no
M 50/2	5-5	0.45	49	63 x 31	160	no
A 50/2	5-5	0.45	49	63 x 31	145	no
A 50/2.8 Macro	6-4	0.24	49	63 x 50	220	no
F 50/2.8 Macro	8-7	0.19	52	68 x 70	385	no
FA 50/2.8 Macro	8-7	0.19	52	68 x 70	385	no
D FA 50/2.8 Macro	8-7	0.2	49	67.5 x 60	265	yes
K 50/4 Macro	4-3	0.23	52	63 x 54	241	no
M 50/4 Macro	4-3	0.23	49	63 x 43	165	no
DA* 55/1.4 SDM	9-8	0.45	58	70.5 x 66	375	yes
K 55/1.8	6-5	0.45	52	63 x 39	221	no
K 55/2	6-5	0.45	52	63 x 39	221	no