Enclosed C or circled Latin C (Ⓒ or ⓒ) is a

typographical symbol Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with L ...

. As one of many

enclosed alphanumerics Enclosed Alphanumerics is a Unicode block of Typography, typographical symbols of an alphanumeric within a circle, a bracket or other not-closed enclosure, or ending in a full stop. It is currently fully allocated. Within the Basic Multili ...

, the symbol is a " C" within a

circle A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre. Equivalently, it is the curve traced out by a point that moves in a plane so that its distance from a given point is const ...

Encodings

The symbols are encoded by Unicode in the block

Latin-1 supplement The Latin-1 Supplement (also called C1 Controls and Latin-1 Supplement) is the second Unicode block in the Unicode standard. It encodes the upper range of ISO 8859-1: 80 (U+0080) - FF (U+00FF). C1 Controls (0080–009F) are not graphic. Th ...

as and .

Uses

Some

Chiyoda Kogaku was a Japanese manufacturer of cameras, camera accessories, photocopiers, fax machines, and laser printers. Minolta Co., Ltd., which is also known simply as Minolta, was founded in Osaka, Japan, in 1928 as . It made the first integrated autofocu ...

(aka Chiyoko) cameras of the 1947 to 1949 era featured a blue ⓒ symbol as part of the lens designation like in "ⓒ

Super Rokkor Rokkor was a brand name used for all Chiyoda Kōgaku Seikō and later Minolta lenses between 1940 and 1980, including a few, which were marketed and sold by other companies like Leica. The name was derived from the name of Rokkō (六甲山), ...

", e.g. on the

Minolta 35 The Minolta-35 was launched in the spring of 1947 by Chiyoda Kogaku. It was the first successful new 35mm rangefinder camera with Leica specifications to emerge on the market after World War II that uses the 39mm screw lens-mount. The Minolta-3 ...

or the

Minolta Memo was a Japanese manufacturer of cameras, camera accessories, photocopiers, fax machines, and laser printers. Minolta Co., Ltd., which is also known simply as Minolta, was founded in Osaka, Japan, in 1928 as . It made the first integrated autofocu ...

. It was used to indicate a (single) coated optics rather than any

copyright A copyright is a type of intellectual property that gives its owner the exclusive right to copy, distribute, adapt, display, and perform a creative work, usually for a limited time. The creative work may be in a literary, artistic, education ...

. Similar engravings can be found also on lenses of other manufacturers, e.g. some

Olympus Olympus or Olympos ( grc, Ὄλυμπος, link=no) may refer to: Mountains In antiquity Greece * Mount Olympus in Thessaly, northern Greece, the home of the twelve gods of Olympus in Greek mythology * Mount Olympus (Lesvos), located in Les ...

Zuiko Zuiko ( ja, ズイコー, italic=default or ja, 瑞光, italic=default, label=none) is a brand of optical lenses made by Olympus Corporation that was used up to and into the Four Thirds system era. The name Zuiko ( ja, 瑞光, italic=default, l ...

lenses carry a red-colored " Zuiko C." designation indicating coated optics. This symbol was widely used by the Cruver manufacturing company on their plastic recognition models that were produced during World War II.

References

Typographical symbols {{typography-stub

Encodings

Uses

See also

References