What is meaning of an optical lens is 4-59mm?

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Canon EF 70-200 mm F4L IS USM lens. ... (meaning you could use a shutter ... A newly designed optical system limits lens size and improves image clarity ... - Read more

There are two different types of zoom lens: Optical, which we will look at here, and digital. ... therefore meaning that the image becomes magnified. ... - Read more

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What is meaning of an optical lens is 4-59mm? resources

convexoconcave lens - definition of convexoconcave lens by ...

Meaning of convexoconcave lens. ... A device that causes radiation to converge or diverge by an action analogous to that of an optical lens.

What does optical lens mean? definition, meaning and ...

Information about optical lens in the AudioEnglish.org dictionary, synonyms and antonyms. ... Meaning: A lens that focuses the image in a camera. Classified under:

What Does Optical Zoom Mean? | eHow

What Does Optical Zoom Mean?. “Optical zoom” refers to the physical zoom abilities of a camera lens, ... a camera may have “5x optical zoom,” meaning that the ...

Lens (optics) - Wikipedia, the free encyclopedia

An ideal thin lens with two surfaces of equal curvature would have zero optical power, meaning that it would neither converge ... (See corrective lens, contact lens, ...

What Is the Meaning of Objective Lens? | eHow

The term "objective lens" refers to a part of a compound microscope. The objective lens hangs directly above the viewing area and transmits an enlarged image of the ...

Optical: Lens Cleaner | Purosol

... meaning you will have to clean your lens less frequently. ... Purosol Optical was recognized with the 2007 National Parenting Award for safe products in the home.

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Products & Services from Carl Zeiss Vision | ZEISS ...

The moment you get a clear view what the meaning of life is. ... Optical Knowledge; ... The most individualised ZEISS progressive lens for natural vision at all ...

The Lens | Anatomy of the Eye | Eyes.com

... glaucoma, and all things optical. ... The cornea is also a lens, meaning that it is clear and refracts ... The lens has two functions in vision:

what is the meaning of 18mm-200mm - PopPhoto Forums

i understand that if a lens has these # it means it will ... what is the meaning of 18mm ... There are a LOT of complicated optical elements manuevering ...

What is a Telescope? - Astronomy Articles and discussion

... , “tele” meaning ... The most common type of telescope is the optical telescope. ... The basics behind the telescope are the ability of a lens to ...

optical lens Definition and Meaning - Dictionary Of ...

optical lens. optical pyrometer optical spectrum OR orbit order. optical lens . One or more objects, usually transparent and curved, which serve to refract and ...

OPTREP GLOSSARY of Optical Terms

OPTREP GLOSSARY of Optical Terms. Customers often ask the meaning of optical terms and so the ... into a projector lens or the optical system ...

Digital camera lens buying guide: Digital Photography Review

Once you've bought a new interchangeable lens camera ... lenses include optical stabilization units to ... proprietary lens mount, meaning that lenses can ...

Numerical Aperture - Encyclopedia of Laser Physics and ...

Encyclopedia article on numerical aperture, NA, optical fiber, lens, objective, acceptance angle. RP Photonics. ... (NA) is used with two different meanings, ...

optics definition, meaning - what is optics in the British ...

optics - definition, meaning, ... optical character recognition. ... lens; magnifying glass; opera glasses; Polaroid; power; powerful; reflect;

Canon EF 70-200mm f/4L IS USM - Telephoto zoom - Canon Europe

Canon EF 70-200mm f/4L IS USM. ... The EF 70-200mm f/4L IS USM is a telezoom featuring the very finest in L-series optical technology to ... meaning exposure settings ...

Photozone Lens Test FAQ - Welcome to Photozone!

Lens Test FAQ; Lens Surveys; PZ Rating System (Digital) ... What is the meaning of LW/PH ... these are not accurate enough because they don´t measure the optical path.

Optical Aberrations - Olympus Microscopy Resource Center

... derived from the Greek terms "a" meaning without and "chroma" meaning ... find optical lens ... lateral chromatic aberration into the tube lens used to ...

Lens - Camera-wiki.org - The free camera encyclopedia

Geometry of a Lens Optical Axis . ... The majority of modern zoom lenses are about 1:3, meaning that their longest focal length is 3 times the shortest.

What Determines the Cost of a Lens? | eBay

... the thing that makes the image, is its lens. ... is one of those words that has two meanings, one inside the ... is usually described as "optical resin."

electron lens: meaning and definitions | Infoplease.com

electron lens: Definition and Pronunciation ... elec'tron lens" ... used to focus streams of electrons in a manner similar to that of an optical lens.

lens - How many optical aberration types are there in ...

There are numerous kinds of optical abberations that you may encounter with a lens. Chromatic Aberration is ... of optical aberration that ... meaning of these ...

All About Lens Coatings « Canon Rumors

It’s this meaning that I’m reflecting ... The 1/4 wavelength optical coating ... inexpensive coating on your lens or filter reduces reflection from about 4 ...

Definition of LENS (Meaning of LENS), a 4 Letter Word

LENS: Review the definition, meaning, pronunciation, ... a transparent optical device used to converge or diverge transmitted light and to form images [n] ...