History of photography
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History of photography






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    History of photography History of photography Presentation Transcript

    • History of Photography Camera Obscura to DSLR
    • Pinhole Camera• AKA Camera Obsucra• First pinhole camera was invented around 1000AD by Alhazen.• Images appear upside down• The first successful photography was by Joseph Nicephore Niepce in 1826
    • Daguerrotype • Louis Jacques Mande Daguerre used Niepce’s success to form the Daguerrotype in 1839. • Used copper sheet coated in silver to create a black and white image. • Very detailed and sharp images. • One of a kind images.
    • Negatives• William Henry Fox Talbot created the first negative.• Sensitized paper with a silver salt solution.• Perfected the process and called it a calotype.
    • Tintypes • 1856 • Hamilton Smith• Yielded a positive image
    • Wet Plate Negatives• 1851• Frederick Scoff Archer• Used a viscous solution of collodion• Had to be developed in the field
    • Dry Plate Negatives • 1879 • Glass plate with dried gelatin emulsion. • Could be stored • Absorbed light quickly
    • Flexible Roll Film• 1889-George Eastman• Emulsions coated a cellulose nitrate film base• Made mass produced box cameras possible
    • Color Photographs • Early 1940’s • Modern Technology
    • Photographic Films• 35-mm• Medium-format – 6cm wide• T-grain – Finer grain pattern – Great detail and resolution
    • Film Speed (ISO) • International Standards Organization • Number on film which determines the amount of light needed to expose the film
    • Digital Camera • Canon introduced first digital camera in 1984 • 1987 Kodak released several products • Through much marketing with various companies, digital cameras have become what they are today.
    • Cameras
    • Why DSLR• Image quality – Pixels – Faster ISO• Adaptability – Lenses – Accessories • Speed – Fast
    • Why DSLR• Optical View Finder • Large ISO Range – Dark/Light • Manual Controls • Retains Value – Updates not as often • Depth of Field • Quality Optics
    • How to Decide on a DSLR? • Price – Many things to consider • Use of camera – Travel, Sports, Low Light, etc. • Size • Gear • Resolution – Megapixels • Other Features
    • Other Features to Consider • Burst Mode • Max Shutter Speed • ISO Ratings • LCD Size • Anti Shake • Dust Protection • Connectivity • Semi-Auto Modes • Flash