Light Meter Chart
Tested accurate against gossen and sekonic meters on most devices.
Light meter chart. The high slide cannot be used with the lumigrid accessory for a reflected light reading. One foot candle one lumen of light density per square foot. We use the dr. The market has a wide range of light meters which makes it an uphill task to select the best light meter.
Measuring units of light level illuminance illuminance is measured in foot candles ftcd fc fcd or lux in the metric si system. A light meter is a great reliable way to measure light. A reflected light meter with spot metering using the device s camera and an incident light meter using the device s light sensor in one app. Light meters play a vital role in ensuring that you get the best images during a shoot.
Can be used for any type of camera from film slr to pinhole to cinematographic. φ luminous flux the quantity of light emitted by a light source lumen lm a area m 2 measuring units light level illuminance. Light meter ap 881e light meter for plants illuminance meter lux meters with display 3999 range from 1 300 000lux unit lux fc max min back light data hold data storage 4 4 out of 5 stars 57 32 99. With the lumigrid accessory the sekonic analog meters will measure the light reflected from a scene.
This value does not correlate to an objective value of energy radiated or reflected as different wavelengths within the visible spectrum are perceived with varying sensitivity by the eye and lux meters evaluate light intensity in consideration of this variable. Meter light meter which has proven to be a reliable tool for the price. What this device does is regulating the amount of light that will be on a subject when shooting pictures. Bright light meters higher ev and dim light meters lower ev.
In the ev chart at bottom of this page the highest ev numbers use the least exposures. In addition to the two meters the app includes a sunny sixteen calculator and depth of field. These are absolute ev numbers but which apply to whatever the iso being considered. One lux one lumen per square meter.
One lux is one lumen per square meter. Light meters color meters and illuminometers to help photographersand cinematographers measure and control light for the perfect exposure. This was the motivation of this article and. We ll be walking through the steps on how to use this specific device but it s a simple process that should translate to all light meters on the market.
A light meter reads a higher ev reading to mean a brighter light requiring less exposure. Lux meters sometimes called light meters measure the intensity of illumination as distinguished by the human eye. Illuminance is measured in foot candles ftcd fc fcd in the imperial system or lux in the metric si system.