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