what does the word camera mean


what does the word camera mean插图

Camera obscura
A camera is an optical instrument that records images that can be stored directly,transmitted to another location,or both. These images may be still photographs or moving images such as videos or movies. The term camera comes from the wordcamera obscura,an early mechanism for projecting images.

What is the origin of the word camera?

camera (n.) 1708, vaulted building; arched roof or ceiling, from Latin camera a vault, vaulted room (source also of Italian camera, Spanish camara, French chambre), from Greek kamara vaulted chamber, anything with an arched cover, which is of uncertain origin.

What is the meaning of camera?

camera ( ?km?r?; ?kmr?) npl -erae ( -??ri?) 1. (Photography) an optical device consisting of a lens system set in a light-proof construction inside which a light-sensitive film or plate can be positioned. See also cine camera, digital camera 2.

What is the definition of camera?

For other uses, see Camera (disambiguation). A camera is an optical instrument that captures a visual image. At a basic level, cameras consist of sealed boxes (the camera body), with a small hole (the aperture) that allows light through to capture an image on a light-sensitive surface (usually photographic film or a digital sensor ).

How do cameras work?

This is how a modern camera captures an image:When the user gives the capture command,the light that bounces off from the scene in front of the camera is received by it.The light is then focused on a single point. ...The light travels through the lens until it reaches the shutter,which opens to reveal the sensor behind it. ...More items...

What is a camera obscura?

an optical device consisting of a lens system set in a light-proof construction inside which a light-sensitive film or plate can be positionedSee also cine camera, digital camera. television the equipment used to convert the optical image of a scene into the corresponding electrical signals. See camera obscura.

What would happen if we could look inside the camera and the image were visible?

Now if we could look inside the camera and the image were visible, we would see that it was upside down.

What does "out of the range" mean in video?

out of the range of a video camera, as a television or motion picture camera: The stunt woman was waiting just off camera for her cue to enter the scene.

Why does the camera pass to each hostage in turn?

The camera passes to each hostage in turn to allow them to plead with the Lebanese government to let them live.

What is a chamber in medical terms?

A chamber or cavity, such as one of the chambers of the heart or eye. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

How many electrodes does Gertrude have?

Gertrude the pig rooted around a straw-filled pen, oblivious to the camera s and onlookers — and the 1,024 electrodes eavesdropping on her brain signals.

What does "on camera" mean?

on camera, being filmed or televised by a live camera: Be sure to look alert when you are on camera.

What is a camera obscura?

a chamber, or instrument having a chamber. Specifically: The camera obscura when used in photography. See Camera, and Camera obscura

What is the equipment used to take pictures?

equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)

What is a camera?

A camera is an optical instrument that records images that can be stored directly, transmitted to another location, or both. These images may be still photographs or moving images such as videos or movies. The term camera comes from the word camera obscura, an early mechanism for projecting images. The modern camera evolved from the camera obscura.

Why did we not take the shake out of the camera?

Our direction to the creative team was not to not to improve them, to not take the shake out of the camera, the reason for that is because we wanted these to be as authentic as possible.

How does a DSLR camera work?

A DSLR camera is a digital camera body that allows light to enter a single lens where it hits a mirror that reflects the light either upwards or downward into the camera’s viewfinder. When you press the shutter to take the photo, the mirror flips up out of the way. The shutter then slides open, and light coming from the lens takes ...

What are the pros and cons of mirrorless cameras?

Pros of Mirrorless Cameras 1 The very mechanics of the mirrorless automatically limit camera shake as compared to the DSLR. The mirror isn’t moving up and down because it just isn’t built that way. 2 With less moving parts, they're quieter than DSLRs. 3 Without the mirror, this camera also beats DSLR in size. It’s small and compact and may be a better option for travel. 4 The electronic viewfinder can be used in video mode, while the viewfinder on a DSLR cannot. Also, high resolution is built into most mirrorless even if they’re on the low-end, quality wise. DSLRs offer 4k or Ultra HD video only for higher-end models.

What is mirrorless camera?

A mirrorless camera is a digital camera that doesn’t have a reflex mirror, (the major component of the DSLR, which reflect the light up to the viewfinder). In a mirrorless, there isn’t a an optical viewfinder. Here, the imaging sensor is always exposed to light. It gives you a preview of the image on the electronic viewfinder (EVF), ...

What happens when you press the shutter to take a picture?

When you press the shutter to take the photo, the mirror flips up out of the way. The shutter then slides open, and light coming from the lens takes a straight shot to the imaging sensor where a photograph is made.

Why isn't my camera mirror moving?

The mirror isn’t moving up and down because it just isn’t built that way. With less moving parts, they're quieter than DSLRs. Without the mirror, this camera also beats DSLR in size. It’s small and compact and may be a better option for travel.

Can you use a viewfinder on a DSLR?

The electronic viewfinder can be used in video mode, while the viewfinder on a DSLR cannot. Also, high resolution is built into most mirrorless even if they’re on the low-end, quality wise. DSLRs offer 4k or Ultra HD video only for higher-end models.

Is a mirrorless camera an asset?

What’s an asset can also be a liability. Mirrorless cameras are conveniently small but that also means no room for a decent size battery. Battery life goes fast. And because they require you to use the LCD screen and electronic viewfinder, the odds are stacked against you.