Unless stated otherwise, we are here to bring these surplus items to auction, 'as-is', on a final sale basis. In most cases, items are part of a large lot of surplus equipment that are no longer needed either due to upgrading, outdated and no longer used, repairs needed or overstocked.Some may be in perfect working order and only require cleaning while others may need repair, most time we do not know.Due to the large number of items we handle, most items are not professionally tested but are merely powered up(see terms and conditions) and are sold 'as-is'. Selenium eventually deteriorates in the presence of light (some say moisture is the real culprit).$0.99 0 Bids Unsold Seller: (2,071) 100%, Location: toronto, Ships to: CA, US, Item: 10 VINTAGE General Electric GE Model 214 Light Meter Footcandles w/Case ABOUT OUR AUCTIONSWe are selling this item(s) as part of a large asset recovery lot of electronic, video, high tech, corporate, estate, collectable, bankruptcy, liquidation, government and/or warehouse surplus items. And it doesn't require batteries! So in many ways it was ideal except. Unlike Cadium-Sulfide (CdS) or Silicon, Selenium has a very broad response to light frequencies that mimics the response curves of film. It produces a small current in response to light like a solar cell.
#Ge 214 light meter manual manual#
Staples One Touch Stapler Instruction Manual there. * Selenium is a wonderful compound for use in light meters. The older meters were extinction meters, where your own eyes provided the metering engine. If you visited this page directly, please be sure to read the main page before continuing on here.īefore Cadmium-Sulfide (CdS) and Silicon (Si/Sbc) battery-powered meters came onto the scene in the 1970s, most camera light meters were selenium* and didn't require batteries.
#Ge 214 light meter manual pdf#
Corso Avanzato Di Fotografia Di Bryan Peterson Pdf Writer. If you want to adjust one of these settings, make sure you adjust the other accordingly.įor example, if you want to use a slower shutter speed than the light meter recommends, compensate for the added light by using a smaller aperture.Ĭlassic Light Meters by Karen Nakamura Overview This page discusses classic and vintage light meters (pre-1970s). This combination of shutter speed and aperture should produce a correct exposure for the given light situation. The needle should align with two numbers, including a shutter speed number and an aperture number. Wait for the light meter’s needle to stabilize.
Slide the hemisphere over the sensor to take an incident light reading. Light meters that can take incident and reflected light readings have a moveable hemisphere you can slide back and forth.
By 'Journal of Environmental Health' Health, general Environmental issues Light meters Evaluation Lighting Measurement.
#Ge 214 light meter manual free#
Free Online Library: Measuring illuminance - the type 217 light meter. General Electric Triple Range Light Meter Model 217 - Brand new in the box GE Model 217 Light Meter. You’ll know that your light meter can take incident readings if it has a small white hemisphere over the sensors. This kind of reading records the light falling on the subject rather than the light reflecting off the subject. To take an incident light reading, place the light meter in the same light as the subject. Though this kind of reading will often be less accurate than an incident light meter reading, it is your only option when you're photographing subjects at a distance.
A reflected reading records the amount of light reflecting off of your subject. To take a reflected light reading, point the light meter at your subject.
The light meter will then adjust its readings according to this film speed.
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