One would use a Sekonic light meter for testing the light when preparing to take photographs or make a film. They are an important tool in ensuring photos have the correct exposure.
There are many places where one can purchase a Sekonic light meter. One can purchase these light meters directly from the Sekonic website. One may also use online auction site eBay to purchase these meters.
One can obtain a flash meter from the following stores: Amazon, Adorama, OFC Workshop, Sekonic, eBay, Digi Direct, Camera City, Deal Extreme, Penta, DH Gate, to name a few.
One meter is about 0.000,000,000,000,000,105,7 light-years.Calculation: As a light-year is 9,460,730,472,580,800 meters, one meter equals 1/9,460,528,400,000,000 light-years = 1.057,000,834,024,615,4 × 10-16 light-years - or about 105.7 atto-light-years.
100 quintillionths of a light year are in a meter http://en.wikipedia.org/wiki/Light-year
A one diopter prism will deviate a ray of light 1cm at a distance of one meter.
It would be one meter.
One meter is the distance travelled by light in vacuum in 1/299 792 458 second.
One can learn about light meter photography when purchasing a photography magazine. One can also look it up on the internet or question professional photographers.
One meter is the distance that light travels in a vacuum in 1⁄299,792,458 of a second.
Meter is usually abbreviated with "m" , so one meter would be 1 m.
The meter is the length of the path traveled by light in vacuum during a time interval of 1/299,792,458 of a second.
When connecting a volt meter to a light bulb to measure the voltage of the light bulb, run a third wire from where the wire enters the bulb to one terminal of the voltmeter and a fourth wire from the other side of the bulb to the other terminal of the voltmeter.