The name Summarit is used by Leica to designate

camera A camera is an Optics, optical instrument that can capture an image. Most cameras can capture 2D images, with some more advanced models being able to capture 3D images. At a basic level, most cameras consist of sealed boxes (the camera body), ...

lenses A lens is a transmissive optical device which focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (''elements''), ...

that have a maximum

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

of f/2.4. The name has been in used since 1949.

History

The Summarit was initially introduced as Leica's fastest lens in 1949 with a maximum aperture of f/1.5. Since then, the

Noctilux The name Noctilux is used by Leica to designate their camera lenses with the widest maximum aperture. Lenses with that name have been in production since 1966. So far all Noctilux lenses have been made for the Leica M mount. History The name Noc ...

and

Summilux The name Summilux is used by Leica and Panasonic Lumix to designate camera lenses that have a maximum aperture of less than f/2, typically f/1.4, but greater than f/1.0. The lens has been in production since 1959 and carries on to the present d ...

named lenses have superseded this old aperture. On 3 August 2007 Leica revived the name and announced a series of less expensive lenses, the Summarit-M. The Summarit-M lenses work on Leica M-series film and digital rangefinder cameras.

Description

In its current iteration the Summarit lenses have a maximum f-number of f/2.4.

Market positions

Leica introduced these less expensive lenses, which also fit Leica M mount cameras like the recent Cosina (

Carl Zeiss AG Carl Zeiss AG (), branded as ZEISS, is a German manufacturer of optical systems and optoelectronics, founded in Jena, Germany in 1846 by optician Carl Zeiss. Together with Ernst Abbe (joined 1866) and Otto Schott (joined 1884) he laid the f ...

and Voigtländer brands) lenses as an alternative to its main line professional and expensive lenses.

List of Summarit lenses

;For the

M39 lens mount The M39 lens mount is a screw thread mounting system for attaching lenses to 35 mm cameras, primarily rangefinder (RF) Leicas. It is also the most common mount for Photographic enlarger lenses. True Leica Thread-Mount (LTM) is 39 mm in d ...

: * Summarit 50 mm ;For the

Leica M mount The Leica M mount is a camera lens mount introduced in 1954 with the Leica M3, and a range of lenses. It has been used on all the Leica M-series cameras and certain accessories (e.g. Visoflex reflex viewing attachment) up to the current film L ...

: * Summarit-M 35 mm ASPH. * Summarit-M 50 mm * Summarit-M 75 mm * Summarit-M 90 mm ;For the Leica S mount: * Summarit-S 35 mm ASPH. * Summarit-S 35 mm ASPH. CS * Summarit-S 70 mm ASPH. * Summarit-S 70 mm ASPH. CS * Summicron-S 100 mm ASPH. * Apo-Macro-Summarit-S 120 mm * Apo-Macro-Summarit-S 120 mm CS

References

External links

* {{optics-stub Leica lenses Photographic lenses