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Infrared Photography > 720 nm (unmodified camera)

12 entries, displaying 1 to 5

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Infrared: Hohenzollern 2014-05-24

Hohenzollern Castle in infrared

colour greyscale infrared There are different variants of this image. Move the cursor over the correspondent boxes to display them.Two views of the Hohenzollern mountain with the castle of the same name atop in infrared. You can observe the difference between the infrared and the normal (non-filtered) pictures.
Blurring of the clouds in the first infrared picture is due to the comparatively long exposure time of 30 s.

Hohenzollern Castle in infrared

colour greyscale infrared

Sulzeiche (IR) 2014-04-11

branches of an old oak tree (infrared)

Boughs of an old oak tree (Sulzeiche) with fresh foliage, infrared.

published on 2014-05-16

Season: Spring

Infrared Photography > 720 nm (unmodified camera)

categories: Schönbuch

keywords: Sulzeiche | bough

Infrared: Norway 2009-06-02

Impressions in infrared from my archive of travel photographs:

Lysefjord, Norway, NRG infrared photograph

Lysefjord. NRG infrared photograph, i.e. the infrared image is encoded in the red channel, whereas green and blue channels contain the red and green channels of the image in the visible spectrum (see
here, 'false-colour'). Vegetation appears red and can be differentiated against the rocks. There is still snow on the mountains at the horizon.

view of the North Sea in the direction of Stavanger, infrared photograph

view of the North Sea in the direction of Stavanger, pseudocolor-infrared photograph (clear despite haze)

Myrdal, infrared photograph

Myrdal station, black and white infrared photograph
Young beech foliage and snowfiels have strong near-infrared reflectivity.

published on 2013-11-30

location: Europe > Norway

Infrared Photography > 720 nm (unmodified camera)

categories: travel | landscape

keywords: fjord | Myrdal | Lysefjord | mountain

Infrared: Turin 2010-05-29

view of central Turin with the Mole Antonelliana with some trees in the foreground, black-and-white infrared photograph

view of central Turin with the Mole Antonelliana (720 nm low-pass filter)
Construction of the Mole Antonelliana (image center, 168 m high) started 1863 as a synagogue, but as the construction cost was steadily increasing, the Jewish community withdrew from the project which was finally finished in 1889, after the city has token over it. Today, the building accomodates a Museum of Cinema.
At the horizon you can see the mountains of the Alps, which are - in contrast to the photograph in the visible spectrum - observable in the infrared image as infrared radiation is less scattered by haze than visible light.

published on 2013-11-30

location: Europe > Italy > Piedmont > Turin

Infrared Photography > 720 nm (unmodified camera)

categories: travel

keywords: Turin | Mole Antonelliana | city | Alps

Infrared: Bebenhausen 2013-11-09

infrared view of Bebenhausen

infrared (720 nm low-pass) view of Bebenhausen

Bebenhausen, infrared photography

false-colour

The greyscale infrared pictures can be used to create colourful false-colour infrared pictures. The infrared picture (ir) is swapped into the red channel (r), whereas the original red and green (g) channels are swapped into the green and blue (b) channels, respectively (the original blue channel is not used):

false colour infrared channel swapping scheme NRG -> RGB

This corresponds to the analog Kodak EIR false-colour infrared film. Vegetation appears magenta, whereas areas which both reflect red and (near) infrared appear yellow.

Bebenhausen false-colour infrared photograph (NRG) Bebenhausen false-colour infrared photograph (NRG)Detail from the picture above

Detail from the picture above:
As a result of colour channel swapping (g > b), the roof of the Green Tower appears blue.
In the forest, conifers (magenta) can be discriminated from broad-leafed trees (orange), which either are bare or have red-brownish foliage.

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