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Used in studio carbon-arc lighting and in projection lenses in the movie industry?
Wiki User
∙ 12y ago
Lanthanum. Good luck with the rest of the crossword puzzle.
Wiki User
∙ 12y ago
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Do televisions use lenses?
Depends on the Tv. Projection tv's use lenses.
What are the uses of diverging lenses?
There are many uses of diverging lenses including being used as a microscope lens. The main use is to correct short sightedness.
How can color affect a film?
The director and the director of photography use colour in film to express emotion: watching a film is intended to be an emotional bath. Colour is achieved through lighting, lenses, colour cels and so forth. Together with sound effects and music, these sensory engagements are intended to be subtle, and they can be jarring when they are inappropriate or do not work as intended.
What has the author Frank L Buczek written?
Frank L. Buczek has written: 'Calculation of distortion parameters for specific normal and zoom cine lenses' -- subject(s): Cinematography, Zoom lenses, Scientific applications, Kinesiology, Research, Photographic lenses, Photogrammetry, Equipment and supplies
How are optical lenses produced?
Lenses typically are manufactured from glass in a process called grinding. First, the glass is cast in blocks, strips, panes, and rods, or it may be molded into a rough lens form
Do televisions use lenses?
Depends on the Tv. Projection tv's use lenses.
Do all optical instruments use lenses?
Most devices in this industry use lenses. Some products, however, do not utilize lenses
Where is lanthanum found today?
In lighting,microscope and camers lenses, and pool cleaners
What does the ophthalmic goods industry consist of?
This classification includes establishments primarily engaged in manufacturing ophthalmic frames, lenses, contact lenses, and sunglass lenses.
What are the four primary products in the ophthalmic goods industry?
ophthalmic lenses and frames, sunglasses, industrial eyewear, and contact lenses
What was the product share of plastic ophthalmic focus lenses?
Plastic ophthalmic focus lenses accounted for approximately 18.3 percent of the industry's shipments
Name two lenses used in stage lighting instruments?
There are a variety of lenses used in theaterical or stage lighting. Here is a short list and their uses: Plano-Convex- This lens is used in standard Ellipsoidal Spotlights. One side is flat(plano) and the other is Convex. Convex-convex- This lens is also used in conjunction with Plano-Convex. This, however, has both sides of the lens as convex. Fresnel lens- Used in fresnels to disperse the light Par- These lenses are intergrated into the filament, envelope, and base of the lamp. These are bubble type lenses.
What can you do to improve poor eye sight?
Glasses and contact lenses are very effective ways of correcting poor eyesight, also using natural lighting, rather than fluorescent lighting helps.
Are all sunglass lenses coated to block out all UV rays?
Normally just visible light protection, you can purchase them UV ray projection from a store or your eye doctor.
What product generated the most sales in the ophthalmic goods industry?
Contact lenses, by far the dominant ophthalmic goods product in the 2000s, accounted for more than 43 percent of the total shipments delivered by the industry, with soft contact lenses representing 95 percent of the contact lens product share.
What types lights are used in photography?
I prefer white lightning lights by the Paul Buff company. All my photographers use them. http://www.white-lightning.com/
What is one of the most important niche markets in the ophthalmic goods industry?
One of the most notable niche markets was for colored contact lenses, which have started to place contact lenses, like eyeglass frames, as fashion items.
