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Variations in Color under Fluorescent Lighting

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When taking pictures of subjects that are illuminated with fluorescent light using a digital camera it is possible that variations in white balance from image to image can occur. As a result, the overall color cast of the photograph can change depending on the exact instant that the shutter is released even thought the lighting conditions are constant. The reason for this phenomenon is that the color temperature of the light source changes during the power cycle. For normal AC lighting systems, the power goes from full to zero 100 times per second according to the variation in voltage. Incandescent lighting has a high thermal capacity (the filament remains hot) so the temperature and color remain relatively constant. Fluorescent lighting however uses a different method of illumination and the color will change from instant to instant. Our eyes do not detect this change as it happens too fast for us to recognize. However, the camera is able to capture an instant in time that the eye cannot, and when a picture is taken with a fast shutter speed these variations become noticeable. The phenomenon therefore occurs when the shutter speed is comparatively faster than the frequency of the AC power source to the light.

Posted on Aug 30, 2005

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On a 4 2x2 fluorescent. The inverter shots up wen turning them on and a alarm and red light come on.


Using portable power for a fluorescent light - Photo.net Lighting ...

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so from a 12 volt battery, the inverter will take something like 20 to ... tube is ignited, it has a quite high current consumption (except when ... I considered the initial start up for fluorescent lamps and I'd certainly power this light up slowly! ... devices, and are insanely sensitive to the waveform powering them.

How To Shoot With Fluorescent Tube Lighting - Envato ...

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Dec 28, 2015 | Inverter Electronics - Others

2 Answers

How do you find the white balance on this camera?


This camera does not have a customizable white balance. It does have some presets -- they are:

  • Auto (default)-automatically corrects white
balance. Ideal for general picture taking.

  • Daylight-for pictures in natural lighting.
  • Tungsten-corrects the orange cast of household
light bulbs. Ideal for indoor pictures under tungsten or
halogen lighting without flash.

  • Fluorescent-corrects the green cast of fluorescent
lighting. Ideal for indoor pictures under fluorescent
lighting without flash.

To access them, press the [Menu] button and look for White Balance -- the icon is a Sun and Light Bulb symbol.

Oct 28, 2013 | Kodak EasyShare Z760 Digital Camera

1 Answer

Are there different types of fluorescent aquarium lighting?


There are four types of fluorescent aquarium lighting: compact fluorescent, normal output (NO), very high output (VHO) and T5 HO high output.

Aug 14, 2012 | Fish

1 Answer

My pictures have a purple tint to them


You're either using old/expired film, or taking photos during dusk. Color film is balanced for daylight photography. Using it under conditions other than that will result in varying color casts on the resulting images.

Fluorescent lighting: Greenish
Indoor bulbs: Reddish/orange
Outdoor at night/dusk: Blueish/purpla
Ourdoor at dawn: Pink/blue

Or, you may have just gotten bad print work done. Try a different lab.

Jun 12, 2011 | Canon EOS-AE-1 35mm SLR Camera

2 Answers

MSI starcam 370i only shows black and white


You can change your lighting to fluorescent lighting the brighter the fluorescent lights are the better your cam will show up the colours, it worked for me.

Aug 02, 2008 | MSI Starcam 370i Webcam

2 Answers

Green pictures panasonic fz7


Check the WHITE BALANCE settings and the COLOR EFFECTS settings (marked as W. BALANCE and COL. EFFECTS when MENU is pressed).

When you got to the MENU setting, press up or down arrow until you reached either selection, press the left arrow, and you'll see several options under the selected function. In WHITE BALANCE, there's an option whether you'll be shooting under sunny or cloudy skies, tungsten or flourescent lighting, and an option to select Auto or Manually set White Balance. This affects the over all color tone as it compensates the color correction depending on your shooting conditions. Fluorescent lighting for example exhibits blue spectrum, thus setting White Balance to FLUORESCENT will add warm or yellow tones to the photo. Tungsten lighting and sunny conditions exhibits yellow lighting, and setting to the White Balance on this mode will add cool or bluish tone to the picture.

Same with COLOR EFFECTS: settings include WARM, COOL, SEPIA or BLACK AND WHITE (gray scale).

Chances are, you have accidentally set the WHITE BALANCE or COLOR EFFECTS to any of these. To see if this is the problem, try shooting under SIMPLE MODE (Marked with a HEART icon at the rotary dial on top right of the DMC-FZ7). If the problem goes away, then it is with the WHITE BALANCE and the COLOR EFFECTS settings. Try setting the COLOR EFFECTS to "OFF", and the WHITE BALANCE to "AUTO".

If all else fails, then you got a problem with the image sensor of your Panasonic DMC-FZ7 Digicam


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Sep 27, 2007 | Panasonic Lumix DMC-FZ7 Digital Camera

1 Answer

YThe colors in my picture have yellow/green color cast.


When you take pictures under certain artificial lighting conditions- such as fluorescent, incandescent, or halogen lighting, the colors in your image may take on a yellow or green cast. You can use HotShots to touch-up the colors; see Chapter 7 for instructions.

Sep 13, 2005 | Epson PhotoPC 650 Digital Camera

1 Answer

White Balance


What is White Balance? The human eye captures white as white, red as red and blue as blue, regardless of whether you are outside under the sun or inside under incandescent lighting. Although this is something that we take for granted, the human eye actually adapts to correct the changes in color under different light sources. In reality, when light sources vary, colors caught as the reflection of those light sources also vary. For instance, films for cameras that use film are designed to capture the most appropriate coloring outside under the sun. Thus when you take pictures under incandescent or fluorescent lighting without using a flash, the colors in the resulting picture may seem strange. Digital camera and digital camcorders are equipped with a handy feature called "White Balance" that corrects the changes in color under different light sources, just like the human eye. One of the white balance settings, "Auto White Balance" (AWB) automatically adjusts to correct the changes in color under different light sources. White Balance and Coloring The White Balance feature on Canon digital cameras and camcorders is set to "Auto White Balance" at the time of purchase. If you prefer different coloring, if you want to adjust the coloring more in detail, or if you want to change the coloring on purpose, we recommend that you change the white balance setting.

Sep 04, 2005 | Canon Optura 500 Mini DV Digital Camcorder

1 Answer

White Balance


What is White Balance? The human eye captures white as white, red as red and blue as blue, regardless of whether you are outside under the sun or inside under incandescent lighting. Although this is something that we take for granted, the human eye actually adapts to correct the changes in color under different light sources. In reality, when light sources vary, colors caught as the reflection of those light sources also vary. For instance, films for cameras that use film are designed to capture the most appropriate coloring outside under the sun. Thus when you take pictures under incandescent or fluorescent lighting without using a flash, the colors in the resulting picture may seem strange. Digital camera and digital camcorders are equipped with a handy feature called "White Balance" that corrects the changes in color under different light sources, just like the human eye. One of the white balance settings, "Auto White Balance" (AWB) automatically adjusts to correct the changes in color under different light sources. White Balance and Coloring The White Balance feature on Canon digital cameras and camcorders is set to "Auto White Balance" at the time of purchase. If you prefer different coloring, if you want to adjust the coloring more in detail, or if you want to change the coloring on purpose, we recommend that you change the white balance setting.

Sep 04, 2005 | Canon GL2 Mini DV Digital Camcorder

1 Answer

Variations in Color under Fluorescent Lighting


When taking pictures of subjects that are illuminated with fluorescent light using a digital camera it is possible that variations in white balance from image to image can occur. As a result, the overall color cast of the photograph can change depending on the exact instant that the shutter is released even thought the lighting conditions are constant. The reason for this phenomenon is that the color temperature of the light source changes during the power cycle. For normal AC lighting systems, the power goes from full to zero 100 times per second according to the variation in voltage. Incandescent lighting has a high thermal capacity (the filament remains hot) so the temperature and color remain relatively constant. Fluorescent lighting however uses a different method of illumination and the color will change from instant to instant. Our eyes do not detect this change as it happens too fast for us to recognize. However, the camera is able to capture an instant in time that the eye cannot, and when a picture is taken with a fast shutter speed these variations become noticeable. The phenomenon therefore occurs when the shutter speed is comparatively faster than the frequency of the AC power source to the light.

Aug 29, 2005 | Nikon Coolpix 5700 Digital Camera

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