85 Degree angle = 1.483529 Radian angle
Conversion Formula
Unit Information
Degree_angle
A unit of angular measurement equal to 1/360 of a full circle. Used in photography for measuring field of view and lens angles.
Radian_angle
The SI unit of angular measurement, defined as the angle subtended at the center of a circle by an arc equal in length to the radius.
Conversion Tips
- Remember to check your decimal places for accuracy.
- This conversion is commonly used in international applications.
- Consider the context when choosing precision levels.
- Double-check calculations for critical applications.
Learn More About Photography
Scientific Overview
Photography is the art, science, and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.
Historical Background
The first permanent photograph was created by Joseph Nicéphore Niépce in 1826. Louis Daguerre developed the daguerreotype process in 1839. George Eastman popularized photography with the Kodak camera in 1888. Digital photography revolutionized the field in the late 20th century.
Real-World Applications
Art and Expression
Creative photography and visual storytelling
Journalism
Photojournalism and documentary photography
Science and Research
Microscopy, astronomy, and scientific documentation
Commercial Photography
Advertising, fashion, and product photography
Personal Use
Family albums, social media, and memory preservation
Interesting Facts
- The first digital camera was invented in 1975 by Steven Sasson at Kodak
- The most expensive photograph sold for $4.3 million in 2011
- The word "photography" means "drawing with light" in Greek
- The first color photograph was taken in 1861 by James Clerk Maxwell
- Over 1 trillion photos are taken worldwide each year
Key Formulas
Exposure Triangle
EV = log₂(N²/t)Aperture Area
A = π(D/2)²Depth of Field
DoF = 2Ncf²/(f² - N²c²)Shutter Speed
t = 1/(2ⁿ) secondsFocal Length
θ = 2 arctan(d/2f)