Serenar / Canon 28mm F/3.5 [I] LSM

Wide-angle prime lens • Film era • Discontinued

  • Announced:
  • · October 1951
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · Canon Camera Co. SERENAR f:3.5 28mm
  • · Canon Camera Co. CANON LENS f:3.5 28mm
  • · Canon Camera Co. CANON LENS 28mm f:3.5
  • Class:
  • · Slow full-frame wide-angle prime lens
  • · Pancake lens
  • System:
  • · Canon S (LSM) (1949)

Model history (2)

■Serenar / Canon 28mm F/3.5 [I] LSM • Pancake lensM6 - 41.00mS.VI 1951 ●
—Canon CT 28mm F/3.5 1954 ●
■Canon 28mm F/3.5 [II] LSM • Pancake lensM6 - 41.00m⌀40 1957 ●

Specification

Optical design:
35mm full frame
28mm
F/3.5
6 elements in 4 groups
Leica screw mount
75.4° (35mm full frame)
Diaphragm mechanism:
Diaphragm type:
Manual
Aperture control:
Aperture ring
6 (six)
Focusing:
Coupled to the rangefinder:
Yes
1m
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
145g
⌀48×18.5mm
Accessories:
Series VI
Not required

Sources of data

  • Canon lenses. Directions and tables (October 1956).
  • Canon lenses. Directions and tables (January 1955).
  • Canon-Serenar lenses. Directions and tables (October 1952).
  • Canon lenses. The world's finest optics for photography booklet.
  • Canon system of photography booklet (March 1956).
  • Canon General Catalog (March 1955).
  • Canon lenses booklet (December 1954).
  • Canon lenses. Directions and tables (August 1954).
  • Canon lenses. Directions and tables (September 1955).

Manufacturer description #1

Canon's most popular wide angle lens (75°). Exceptionally flat field and excellent color correction. Spectra-coated. Rigid mount, with apertures from f:3.5 to f:22; focusing from 3.5 ft. to infinity. First high speed, wide angle lens in the world.

Manufacturer description #2

The world's first lens combining an angle of view as wide as 75 and a lens speed of more than f:6.3 which has long been considered the maximum speed attainable by any lens of this angle of view. This ultra-wide angle lens has outstanding resolving powers and, as might be expected from the sharply increased diameters of the front and back elements, it ensures an adequate amount of light in the corners, as well as the center, of the image. But for this lens, really wide-angle color photography would have remained an impossibility.

Manufacturer description #3

A unique lens, embodying ultra-wide angle-of-view of 75 deg. with high speed. Exceptionally flat field and color fidelity, without vignetting or edge-distortion. Six elements in a non-collapsible non-revolving mount. Ideal for shooting interiors, or wherever a wide angle is required under adverse light conditions. Apertures from f:3.5 to f:22, with click stops. Focusing range from 3 1/2 feet to infinity; metric calibration from 1 meter to infinity. Accepts series VI 34 mm screw-in adapter ring series VI filters. Lens hood must not be used. Net weight approximately 180 grams or 6.5 oz.

Manufacturer description #4

A Gauss type wide angle lens with 6 elements in 4 groups. This lens was the fastest wide angle lens in the world at the time. This lens was very popular because it was five times faster than Tessar 28mm f/8, made by Carl Zeiss, Germany. This series of lenses were named "Serenar" by a Canon employee in an in-house naming contest. The word "Serenar" was coined from "Serene", the name of the sea on the moon (the Sea of Serenity) and an adjective meaning of "tranquil".

No lens hood is necessary and 34mm Series VI filters are attached with an adapter ring and adapter ring insert.

Serenar / Canon 28mm F/3.5 [I] LSM special editions (1)

Other wide-angle prime lenses in the Canon S (LSM) system

■Leica screw mount (9)
Canon 25mm F/3.5 LSM • Pancake lensM5 - 31.00mS.VI 1956 ●
Canon 28mm F/3.5 [II] LSM • Pancake lensM6 - 41.00m⌀40 1957 ●
Canon 28mm F/2.8 LSM • Pancake lensM6 - 41.00mS.VI 1957 ●
Serenar / Canon 35mm F/3.2 LSM • Pancake lensM6 - 43.5 ft.S.VI 1951 ●
Serenar / Canon 35mm F/2.8 [I] LSM • Pancake lensM6 - 41.00mS.VI 1951 ●
Canon 35mm F/2.8 [II] LSMM6 - 41.00m⌀40 1957 ●
Canon 35mm F/2 LSMM7 - 41.00m⌀40 1962 ●
Canon 35mm F/1.8 LSMM7 - 41.00mS.VI 1957 ●
Canon 35mm F/1.5 LSMM8 - 41.00m⌀48 1958 ●

Lenses with similar focal length

■Leica screw mount (17)
Cosina Voigtlander Ultron 28mm F/1.9 Aspherical LSMM9 - 70.70m⌀46 2001 ●
Cosina Voigtlander Snapshot-Skopar 25mm F/4 MC LSMM7 - 50.70m⌀39 1999 ●
Cosina Voigtlander Color-Skopar 28mm F/3.5 LSM • Pancake lensM7 - 50.70m⌀39 2002 ●
Cosina Voigtlander Color-Skopar 28mm F/2.8 Aspherical LSM • Pancake lensM8 - 50.70m⌀34 2023 ●
Leitz Hektor 28mm F/6.3 [HOOPY / 11000, HOOPY-CHROM, HOOPY-B]M5 - 31.00mE34 1935 ●
Leitz Wetzlar Summaron 28mm F/5.6 [SNOOX / 11501, SNOOX / 11001]M6 - 41.00mA36 1956 ●
Minolta G-Rokkor 28mm F/3.5 LSM (2000 units) • Pancake lensM5 - 50.80m⌀40.5 1998 ●
Nippon Kogaku W-Nikkor·C 25mm F/4 LSM (950 units)M4 - 43.5 ft.S.VI 1953 ●
Nippon Kogaku W-Nikkor·C 28mm F/3.5 LSM (2392 units)M6 - 43.5 ft.⌀34.5 1952 ●
Ricoh GR 28mm F/2.8 LSM (3000 units) • Pancake lensM7 - 40.70m⌀40.5 1998 ●
Sankyo Kohki W-Komura 28mm F/3.5 LSMM6 - 41.00m⌀43 ●
Orion-15 28mm F/6 LSM
akaОРИОН-15 28mm F/6		M4 - 41.00m⌀40.5 1960 ●
FED-35 28mm F/4.5 LSM
akaФЭД 28mm F/4.5		M6 - 41.00mA36 ●
TTArtisan 28mm F/5.6 LSM • Pancake lensM7 - 41.00m⌀37 2023 ●
Avenon 28mm F/3.5 [MC] LSM • Pancake lens
akaKobalux Wide 28mm F/3.5 LSM
akaPasoptik 28mm F/3.5 LSM		M6 - 41.00m⌀43 1981 ●
M-Series 28mm F/3.5 LSMM6 - 40.75m⌀43 ●
Carl Zeiss Jena Tessar 28mm F/8 LSMM4 - 31.00m ●

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