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Camera Obscura circa 1750. Room Size Camera Obscura, San Francisco California. Joseph Nicéphore Niépce 1826. Boulevard du Temple, Paris, Louis Daguerre in late 1838 or early 1839. The Crystal Palace at The Great Exhibition, by Philip Henry Delamotte, 1854.
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Boulevard du Temple, Paris, Louis Daguerre in late 1838 or early 1839
The Crystal Palace at The Great Exhibition, by Philip Henry Delamotte, 1854
Speeds faster than 1 second are fractions of a second and most cameras display them without the numerator. For example, 1/2 second is displayed as 2. Speeds of 1 second or slower are whole seconds and many cameras indicate them with quotation or inch marks ("). For example, 2 seconds is displayed as 2".
Standard Shutter Speeds: 1/4 1/8 1/15 1/30 1/60 1/125 1/250 1/500 1/1000 Standard f-stops: 1.4 2.0 2.8 4 5.6 8 11 16 22 Shutter Speed 1/8 1/15 1/30 1/60 1/125 1/250 1/500 1/1000 f/stop f/32 f/22 f/16 f/11 f/8 f/5.6 f/4 f/2.8