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 LengthMaximum ApertureMax. ApertureLens NameLens NameMinimum ApertureMin. ApertureElementsEl.GroupsGr.Aperture BladesBladesClose Focus (m)Close Focus (m)Filter Thread (mm)Filter Thread (mm)Diaphragm TypeDiaphragm TypeDiameter (mm)Diameter (mm)Length (mm)Length (mm)Weight (g)Weight (g)Date IntroducedYearStyleStyleResourcesResources
503.5Asahi Kogaku Takumar164312*0.732Manual43*23*141*1952

50mm f/3.5 Asahi Kogaku Takumar

  Manufacturer Notes:Standard lens of Tessar type, especially corrected against astigmatism and chromatic aberration. Most suitable for close-ups and reproduction because of the wide angle vision, as well as for scenery, persons, snaps, etc.

  Notes:

Source(s):

  Credit:* Credit to Baard-Einar Moe for aperture blade count, weight, and dimensions. (Source)

Asahi Kogaku Takumar164312*0.732Pre-set47*26*161*1953

50mm f/3.5 Asahi Kogaku Takumar

  Manufacturer Notes:Standard lens of Tessar type, especially corrected against astigmatism and chromatic aberration. Most suitable for close-ups and reproduction because of the wide angle vision, as well as for scenery, persons, snaps, etc.

  Notes:

Source(s):

  Credit:* Credit to Baard-Einar Moe for aperture blade count, weight, and dimensions. (Source)

Asahi Kogaku Takumar164312*0.732Pre-set46*26*159*1954

50mm f/3.5 Asahi Kogaku Takumar

  Manufacturer Notes:Standard lens of Tessar type, especially corrected against astigmatism and chromatic aberration. Most suitable for close-ups and reproduction because of the wide angle vision, as well as for scenery, persons, snaps, etc.

  Notes:

Source(s):

  Credit:* Credit to Baard-Einar Moe for aperture blade count, weight, and dimensions. (Source)

582.4Asahi Kogaku Takumar165312*0.640.5Pre-set47*42*231*1954

58mm f/2.4 Asahi Kogaku Takumar

  Manufacturer Notes:Sensational standard lens of f/2.4 ever produced with 5 lens elements. The focal length is designed at 58mm for single lens reflex camera, having excellent resolving power. Especially designed for color photography because of the increasing popularity of color pictures.

  Notes:

Source(s):

  Credit:* Credit to Baard-Einar Moe for aperture blade count, weight and dimensions. (Source)

831.9Asahi Kogaku Takumar1674201.149Pre-set??3501953

83mm f/1.9 Asahi Kogaku Takumar

  Manufacturer Notes:Unique among the TAKUMAR lenses. Along with the TAKUMAR 135mm telephoto lens, aberrations arc reduced in the ultimate value shown by wave optics. Especially the spherical aberration is smaller than any lens made in Japan. Most suitable for portraits, night photography, stage pictures as well as for general photographs.

  Notes:This lens was produced for Asahiflex system introduced in 1952 and has M37x1 screw mount. 7 elements in 4 groups, second group is a triplet. Original version has fully chrome body. Very rare lens.

Source(s):

  Credit: (Source)

Asahi Kogaku Takumar1674201.149Pre-set??3501955

83mm f/1.9 Asahi Kogaku Takumar

  Manufacturer Notes:Unique among the TAKUMAR lenses. Along with the TAKUMAR 135mm telephoto lens, aberrations arc reduced in the ultimate value shown by wave optics. Especially the spherical aberration is smaller than any lens made in Japan. Most suitable for portraits, night photography, stage pictures as well as for general photographs.

  Notes:Version with black body, chrome base and preset ring. Optically identical to chrome version. Very rare lens.

Source(s):

  Credit: (Source)

1003.5Asahi Kogaku Takumar163316*1.434Pre-set44*82*254*1952

100mm f/3.5 Asahi Kogaku Takumar

  Manufacturer Notes:Although composed of 3 elements, aberrations are satisfactorily corrected. Recommended for taking sceneries, portraits, news pictures, etc.

  Notes:Manufactured from chrome-finished brass.

Source(s):

  Credit:* Credit to Baard-Einar Moe for aperture blade count and dimensions. (Source)

1353.5Asahi-Kogaku Tele-Takumar165416*1.843Pre-set50*90*5001953

135mm f/3.5 Asahi-Kogaku Tele-Takumar

  Manufacturer Notes:Aberrations reduced to the ultimate value along with the TAKUMAR 83 mm lens. Even with the diaphragm full open, the resolving power is excellent, prodicing brilliant brightness to every corner of the picture. Indispensable for long distance or portraits. Capable of close-ups of animals or plants at a distance.

  Notes:Manufactured from chrome-finished brass.

Source(s):

  Credit:* Credit to Anonymous for aperture blade count and dimensions (Source)

5005Asahi-Kogaku Tele-photo Takumar1621?1149Manual??2,8501955

500mm f/5 Asahi-Kogaku Tele-photo Takumar

  Manufacturer Notes:

  Notes:Rack & pinion focusing. 46mm filters attached to removable section at REAR of lens.

Source(s):

  Credit: (Source)