actinograph
Sign in to saveright|thumb|300px|Hurter & Driffield's actinograph right|thumb|300px|Description of R. Hunt's actinograph
In the Vinony graph
Within Vinony's link graph, actinograph is referenced by 60 other articles, and connects out to slide rule, International Standard Book Number and calculator.
It is catalogued under the topic Photography equipment.
Its subject is documented across 10 Wikipedia language editions.
Wikidata facts
- Subclass of
- measuring instrument
- Image
- HD Actinograph.jpg
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- Commons category
- Actinographes
via Wikidata · CC0
~2 min read
Encyclopedic overview
2 sectionsContents
- See also
- References
right|thumb|300px|Hurter & Driffield's actinograph right|thumb|300px|Description of R. Hunt's actinograph
An actinograph is an instrument for measuring or estimating the amount of light available, in terms of its ability to expose photographic film. That is, it measures the actinic or chemical intensity of light, as opposed to radiometric or photometric amount of light.
Excerpted from Wikipedia’s “actinograph” article, available under the CC BY-SA 4.0 licence.