Minor White used infrared film, but digital photographers can use an infrared filter. Road with Poplar Trees, 1955
Infrared filters block allvisible light rays and let inonly infrared radiation toreact with your sensor.You will need a longexposure time - usuallymore than a second indaylight even at yourwidest aperture - to getsatisfactory results.
What is “Exposure?” Exposure = Intensity x Time
Intensity is the amount of light thatreaches the light sensorIntensity is controlled by the apertureTime is the length of time the sensor isexposed to the lightTime is controlled by the shutter speed
In order to get a good exposure, you must be able to ascertain the amount of light that is hitting your subject.
In order to “read” the amount of light striking your subject, you need some type of exposure or light meter.
There are two basic kinds of exposure meters: There are external, hand held meters...
What is an“average scene?”“average scene?”one where all the different tones whenaveraged together will equal a middle gray.one where the scene is evenly illuminatedas viewed from the camera position.one where the darks and lights aredistributed fairly evenly around the scene.