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Nocticron („Night-time“ from
latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ...
''nox, noctis'' „night“ and
ancient Greek Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic p ...
''kronos'' „time“) is the brand name of Leica lenses with an extreme
speed In everyday use and in kinematics, the speed (commonly referred to as ''v'') of an object is the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; it is thus a scalar quantity ...
of f/1.2. Because of the large
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 ...
size and its image stabilisation system it is possible to take images with relatively short exposure time especially in
available light In photography and cinematography, available light (also called ambient light or practical light) refers to any ''available'' source of light that is not explicitly supplied by the photographer for the purpose of taking pictures. The term usu ...
situations. Together with the high number of nine diaphragm blades the lens creates a strong and pleasant
bokeh In photography, bokeh ( or ; ) is the aesthetic quality of the blur produced in out-of-focus parts of an image. Bokeh has also been defined as "the way the lens renders out-of-focus points of light". Differences in lens aberrations and ...
.


Market position

Nocticron lenses are slower than
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 Noct ...
lenses (f/0,95 or f/1,0) and faster than the Leica-lenses with the brand name
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 ...
(f/1,4),
Summicron The name Summicron is used by Leica to designate camera lenses that have a maximum aperture of f/2 after 1953 and to present day. History The name Summicron is derived from ''summus'', latin word for maximum and ''kronos'', the ancient Greek wo ...
(f/2,0) and
Elmarit The name Elmarit is used by Leica to designate camera lenses that have a maximum aperture of f/2.8. History The Elmarit is a derivation of the Elmar. Confusingly not all f/2.8 lenses are Elmarits. The 50 mm f/2.8 collapsible, manufactured ...
(f/2,8).


Description

Nocticron
prime lens In film and photography, a prime lens is a fixed focal length photographic lens (as opposed to a zoom lens), typically with a maximum aperture from f2.8 to f1.2. The term can also mean the primary lens in a combination lens system. Confusion b ...
es are offered as exchangeable lenses for the Micro Four Thirds system (MFT). At
photokina Photokina (rendered in the promoters' branding as "photokina") is a trade fair held in Europe for the photographic and imaging industries. It is the world's largest such trade fair. The first Photokina was held in Cologne, Germany, in 1950, a ...
2012 the model ''Lumix Leica DG Nocticron 1:1,2/42.5 mm ASPH'' was announced, and it is available since 2014. Leica lenses with the model name attribute ''DG'' are made by
Panasonic formerly between 1935 and 2008 and the first incarnation of between 2008 and 2022, is a major Japanese multinational conglomerate corporation, headquartered in Kadoma, Osaka. It was founded by Kōnosuke Matsushita in 1918 as a lightbulb ...
under licence. The lens has a focussing as well as an aperture ring, it is relatively large and heavy, and it is not water or dust proof. The
anti-reflective coating An antireflective, antiglare or anti-reflection (AR) coating is a type of optical coating applied to the surface of lenses, other optical elements, and photovoltaic cells to reduce reflection. In typical imaging systems, this improves the eff ...
of the
telephoto lens A telephoto lens, in photography and cinematography, is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length. This is achieved by incorporating a special lens group known as a ''telephoto ...
with 1.7 times normal focal length has 14
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 ...
in 11 groups, two of them
aspheric An aspheric lens or asphere (often labeled ''ASPH'' on eye pieces) is a lens (optics), lens whose surface profiles are not portions of a sphere or Cylinder (geometry), cylinder. In photography, a camera lens, lens assembly that includes an aspheri ...
and another with extremely low
dispersion Dispersion may refer to: Economics and finance * Dispersion (finance), a measure for the statistical distribution of portfolio returns *Price dispersion, a variation in prices across sellers of the same item * Wage dispersion, the amount of variat ...
. The front lens is made of extremely high refracting glass. The Nocticron has an excellent image quality. The Nocticron lenses allow a fast lens-body communication for autofocussing with its rather silent stepper motor, due to the large aperture size also at low light conditions. Objektiv.Blendenzahl.16.jpg, Minimum aperture of the Noctricron 42.5 mm (F-number 16) Objektiv.Blendenzahl.1.2.jpg, Maximum aperture of the Noctricron 42.5 mm (F-number 1,2)


Image stabilisation

As of late 2017, while there are other f/1.2 Micro Four Thirds
autofocus An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical syste ...
lenses, it is still the fastest Micro Four Thirds lens with both
image stabilisation Image stabilization (IS) is a family of techniques that reduce blurring associated with the motion of a camera or other imaging device during exposure. Generally, it compensates for pan and tilt (angular movement, equivalent to yaw and pit ...
and autofocus.William Brawley
Panasonic 42.5mm f/1.2 ASPH POWER OIS LEICA DG NOCTICRON (Tested)
SLRgear Review, 16 January 2014, retrieved 23 October 2015
The optical image stabilisation of the lens can even be combined with the opto-mechanical image stabilisation systems of some camera bodies of the system (''Dual Image Stabilisation'' = ''Dual I.S.''). The ‘’Dual I.S.’’ mode can be used only if the firmware of the Nocticron has version 1.2 or higher.
support.panasonic.com, 5 August 2015, retrieved 23 October 2015


Gallery

The following images show some extraordinary capabilities of the Nocticron such as at low light, at high speed, for strong
bokeh In photography, bokeh ( or ; ) is the aesthetic quality of the blur produced in out-of-focus parts of an image. Bokeh has also been defined as "the way the lens renders out-of-focus points of light". Differences in lens aberrations and ...
or with
image stabilisation Image stabilization (IS) is a family of techniques that reduce blurring associated with the motion of a camera or other imaging device during exposure. Generally, it compensates for pan and tilt (angular movement, equivalent to yaw and pit ...
. focal length The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power. A positive focal length indicates that a system converges light, while a negative foca ...
 = 42.5 mm,
F-number In optics, the f-number of an optical system such as a camera lens is the ratio of the system's focal length to the diameter of the entrance pupil ("clear aperture").Smith, Warren ''Modern Optical Engineering'', 4th Ed., 2007 McGraw-Hill ...
 = 1.2"> Stillleben.Nocticron.jpg,
Still life A still life (plural: still lifes) is a work of art depicting mostly wikt:inanimate, inanimate subject matter, typically commonplace objects which are either natural (food, flowers, dead animals, plants, rocks, shells, etc.) or artificiality, m ...
with parchment and book in candle light,
ISO speed Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to describe the relations ...
 = 200, exposure time = 1.3 s,
exposure value In photography, exposure value (EV) is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure (photography), exposure have the same EV (for any fixed scene luminanc ...
 = -1. The
illuminance In photometry, illuminance is the total luminous flux incident on a surface, per unit area. It is a measure of how much the incident light illuminates the surface, wavelength-weighted by the luminosity function to correlate with human brightn ...
level on the parchment was below 1 lux. Rose.mit.Wassertropfen.jpg, Rose with water drops in sun light,
ISO speed Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to describe the relations ...
 = 200, exposure time = 1/8000 s,
exposure value In photography, exposure value (EV) is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure (photography), exposure have the same EV (for any fixed scene luminanc ...
 = 12.5. Kornfeld.im.starken.Wind.mit.Bokeh.JPG, Wheat field in strong wind with
bokeh In photography, bokeh ( or ; ) is the aesthetic quality of the blur produced in out-of-focus parts of an image. Bokeh has also been defined as "the way the lens renders out-of-focus points of light". Differences in lens aberrations and ...
,
ISO speed Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to describe the relations ...
 = 200, exposure time = 1/4000 s,
exposure value In photography, exposure value (EV) is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure (photography), exposure have the same EV (for any fixed scene luminanc ...
 = 11.5. Universaltheodolit.14Zoll.Pistor&Martins.Berlin.1851.jpg, Free-hand taken museum shot of a historic universal
theodolite A theodolite () is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land surveying, but it is also used extensively for building and ...
in a
display case A display case (also called showcase, display cabinet, shadow box, or vitrine) is a cabinet with one or often more transparent tempered glass (or plastic, normally acrylic for strength) surfaces, used to display objects for viewing. A display ...
with transparent glass taken with a
polarizing filter A polarizer or polariser is an optical filter that lets light waves of a specific polarization pass through while blocking light waves of other polarizations. It can filter a beam of light of undefined or mixed polarization into a beam of well ...
,
ISO speed Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to describe the relations ...
 = 800, exposure time = 1/8 s,
exposure value In photography, exposure value (EV) is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure (photography), exposure have the same EV (for any fixed scene luminanc ...
 = 0.5.


Comparison

Compared to other camera systems with differing normal focal lengths, and therefore different image sensor sizes, the following equivalent values apply to lenses with appropriate properties as the Nocticron 42,5 mm 1,2 within the Micro-Four-Thirds system (MFT). With the parameters given in the table in all camera systems the photographer will get the same
angle of view The angle of view is the decisive variable for the visual perception of the size or projection of the size of an object. Angle of view and perception of size The perceived size of an object depends on the size of the image projected onto the ...
,
depth of field The depth of field (DOF) is the distance between the nearest and the furthest objects that are in acceptably sharp focus in an image captured with a camera. Factors affecting depth of field For cameras that can only focus on one object di ...
, diffraction limitation and
motion blur Motion blur is the apparent streaking of moving objects in a photograph or a sequence of frames, such as a film or animation. It results when the image being recorded changes during the recording of a single exposure, due to rapid movement or ...
:


External links

{{Commonscat, Taken with Nocticron 42.5mm
LEICA DG NOCTICRON 42.5mm / F1.2 Aspheric Power O.I.S.


References

Leica lenses Panasonic Micro Four Thirds lenses