Results for: Lense

What are Varifocal lenses?

A varifocal lens is a non-fixed focal length lens where the focus changes with focal length. This is in contrast to true zoom lenses, which retain correct focus throughout the (MORE)
In Eyes

What are polarized lenses?

Polarized lenses are used in sunglasses to reduce glare from reflective surfaces such as the surface of a lake or the hood of a car. They accomplish this feat through a proces (MORE)

How do you get contact lenses?

You get them from an eye doctor. You also can get contacts from a Contact lens practitioner and the Internet. The safest option for your eye health is a contact lens practitio (MORE)

What are circle lenses?

Answer circle lenses are contact lenses that have a dark limbal ring to make the irises appear larger than normal. this makes the eyes appear bigger & shinier. They are extr (MORE)
In Science

What are lenses?

They are curved transparent materials that make light rays come together or spread out.or a lens is a transparent material which has one or more surfaces curved for the purpos (MORE)
In Eyes

Who invented lenses?

RODGER BACON was a European scientist who, (after many small inventions) came up with the idea of lenses. Such as the magnifying glass and the telescope. Answer: Long bef (MORE)
In Biology

What are ocular lenses?

On a light microscope and objective lens magnifies the view of some pond water twenty five time and the ocular lens magnifies it ten time further. What is the final magnificat (MORE)
In Biology

What are the ocular lenses?

The ocular lens, also known as the eyepiece lens, is the part of a compound microscope that a user looks into to see a magnified image.

Why does a microscope have lenses?

Due to a property called Refraction, transparent materials are able to change the direction of light. By making a disc with a uniform curvature, one can focus the light int (MORE)
In Uncategorized

Why are lenses curved?

because they use that curve to reflect different sides of images like upside down

What are brookfields lenses?

In his book Becoming a Critically Reflective Teacher ( 1995) Stephen Brookfield puts forward the theory that we use four lenses thorugh which we can look at and reflect criti (MORE)

Why do microscopes have lenses?

Since microscopes are instruments to see and observe very small objects which are not visible to naked eye, it needs to focus on them. The lenses are used for this purpose of (MORE)

Are convex lenses converging lenses?

Convex lenses, also known as plus powered lenses, do cause light to converge. This type of lens is used on a Hyperopic (farsighted) patient. Concave lenses cause light to di (MORE)

Where can you get circle lenses?

They have a wide variety of brands like Hana Spc, Barbie, etc. or you can try Lenscircle but i prefer pinky paradise 'cause it has nice brands and great service for less.

What are the objective lenses for?

Objective lens on a microscope collects the light emerging from the sample and focuses it into the objective turret. Its primary role is to increase the magnification used for (MORE)
In Physics

What is are converging lenses?

Converging lenses are the simplest kind of lens. It's called aconvex lens. Looked at from the edge both sides curve out, like anAmerican football stretched so it's thin. The l (MORE)
In Uncategorized

What is progressive lenses?

Progressive lenses helps to increase edge-to-edge clarity and offera full range of vision correction from close objects to distanceobjects.