Search Tips»
Grouping and Logical OR: notebook (ibm or sony) Negation: laserjet printer not monochrome Negation: printer -laser -monochrome \tGrouping and Logical OR: printer (epson or canon) (inkjet or laser) not multifunction Group Operator: printer -(dot matrix)
Transparent glass or gelatin elements protect and alter the components of light passing through the lens while adding special effects as well as colors to an image
Neutral density filter proves useful in bright light conditions to help prevent overexposure
The ND filter lets you use a slow shutter speed even in bright outdoor scenes, and reduces the light intensity when you want to use a fully open aperture. It is handy, for example, for capturing the flow of a waterfall or using a slow shutter speed under strong sunlight.