Photography in which an infrared optical system projects an image directly on infrared film, to provide a record of point-to-point variations in temperature of a scene.
In infrared photography, the film or image sensor used is sensitive to infrared light. The part of the spectrum used is referred to as near-infrared to distinguish it from far-infrared, which is the domain of thermal imaging. Wavelengths used for photography range from about 700 nm to about 900 nm. Usually an «infrared filter» is used; this lets infrared (IR) light pass through to the camera, but blocks all or most of the visible light spectrum (the filter thus looks black or deep red).
Κατά την IR φωτογράφιση το υπέρυθρο φίλτρο μπλοκάρει σχεδόν ολοκληρωτικά το ορατό φως που πέφτει στο φακό και αφήνει να περάσει μόνο η υπέρυθρη ακτινοβολία, δίνοντας έτσι μερικές φορές πολύ εντυπωσιακά αποτελέσματα, όπως είναι και οι παρακάτω φωτογραφίες.
from darth_bayne
from CowGummy
from Nasey
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from – Virgonc –
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from Markisy_em_Portugal
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from – Gigapix –
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