3 Terms
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Lenses
A lens is an optical device which is capable of transmitting and refracting light.
Industry: Photography
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Lenses
F/5.6
Photography; Lenses
Lens aperture measurement, meaning a very small aperture size (or light-gathering area). Slow shutter speed is required, but the depth of field is generally wide.
Zoom lens
Photography; Lenses
A lens which enables the varying of the focal length (within a pre-defined range) to achiceve a variety of compositions and perspectives.
Aperture
Photography; Lenses
The amount that the lens can open up or close down to let in more or less light.
F/1.0
Photography; Lenses
Lens aperture measurement, meaning extremely wide aperture or light-gathering area. This requires fast shutter speed, and the depth of field is generally narrower.
F/1.4
Photography; Lenses
Lens aperture measurement, meaning relatively wide aperture or light-gathering area. This requires quite fast shutter speed, and a generally narrow depth of field.
F/2.0
Photography; Lenses
Lens aperture measurement, meaning an average aperture size (or light-gathering area).
F/2.8
Photography; Lenses
Lens aperture measurement, meaning a fairly small aperture size (or light-gathering area). Slow shutter speed is required, but the depth of field is generally wide.
