Pentax M37 Lens Database

Compare stats for Pentax Takumar M37 screwmount 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)	Diaphragm TypeDiaphragm Type	Diameter (mm)Diameter (mm)	Length (mm)Length (mm)	Weight (g)Weight (g)	Date IntroducedYear
50	3.5	Asahi Kogaku Takumar	16	4	3	12*	0.7	32	Manual	43*	23*	141*	1952
		Asahi Kogaku Takumar	16	4	3	12*	0.7	32	Pre-set	47*	26*	161*	1953
		Asahi Kogaku Takumar	16	4	3	12*	0.7	32	Pre-set	46*	26*	159*	1954
58	2.4	Asahi Kogaku Takumar	16	5	3	12*	0.6	40.5	Pre-set	47*	42*	231*	1954
83	1.9	Asahi Kogaku Takumar	16	7	4	20	1.1	49	Pre-set	?	?	350	1953
83	1.9	Asahi Kogaku Takumar	16	7	4	20	1.1	49	Pre-set	?	?	350	1955
100	3.5	Asahi Kogaku Takumar	16	3	3	16*	1.4	34	Pre-set	44*	82*	254*	1952
135	3.5	Asahi-Kogaku Tele-Takumar	16	5	4	16*	1.8	43	Pre-set	50*	90*	500	1953
500	5	Asahi-Kogaku Tele-photo Takumar	16	2	1	?	11	49	Manual	?	?	2,850	1955