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Pan-itis
| Light Glossary |
An aggravated condition of viewer`s eyes caused by relentless, rapid video and film camera swings.
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Relentless, английский
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Artificial light, английский
- An ambiguous term that refers to light produced by electricity as opposed to a natural source and to illumination introduced to record images. depending upon how it is used, it looks either artificial or natural.
- Any light not directly produced by the sun. can be tungsten, flash, household bulbs, sodium vapor street lamps, etc. in many cases, the color produced by artificial light is deficient in the blue end of the spectrum, thus daylight-balanced color films will record the light as being warm/red/amber. tungsten-balanced slide films, or color-balancing filters over the lens will generally correct this problem. in some cases, color print film can be re-balanced when prints are made.
Stop, lens stop, f-stop, t-stop, английский
An adjustable iris diaphragm that controls, in part, how much light reaches the film or video tube. once you grasp the logarithmic progression, and the idea that the larger the number the smaller the opening (therefore less light) - it`s a piece of cake. f-stops are the theoretical amount of light transmitted by the lens; t-stops, the actual amount. the difference is about 1/3 stop, often more with zooms.
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