Digital camera functions all photography is based on the same optical principle of viewing objects with our eyes. Most digital cameras have native basic iso ratings of about 100, but can be extended far beyond this base rating in order to capture sharp imagery under lower lighting conditions. This handout is not meant to replace the operating manual that comes with each camera. And some can even capture video at 3840 x 2160 pixels, known as 4k or ultra hd. Using a higher iso usually results in higher noise in your images.
The basics of the algorithms applied to the data provided by the image sensor were first applied in camcorders. When you take a picture with a digital camera, the image is recorded by a sensor, called a charged coupled device or ccd. These are the terms youll find in your cameras manual and in most beginner. Basic camera terminology aperture variable sized hole in the camera lens, which controls the amount of light allowed to pass on to the sensor.
Flash sync flash sync is used to describe either the connection point where you plug an external electronic flash into your camera usually a pc port or the cameras hot shoe, or the fastest shutter speed at which your camera can sync with an external flash. In the non digital camera realm, the most common film size is 35mm, even though the frame actually measures 36mm x 24mm. In fact,in the beginning, digital still cameras could. An introduction to the digital still camera technology. However, increasing the iso also increases the amount of digital noise thats visible in the resulting photograph. Digital camera basics the vocabulary shopping for a digital camera can be a difficult task considering the sheer number of choices out there. Camera shots and angles as media studies by sabrina bourhaba. When you frame a shot, you adjust the camera position and zoom lens until your shot has the desired composition. The digital still camera is a challenging application for image processing techniques. This helps to eliminate colour aliasing problems, or the moire effect.
Because the sensor that controls the flash receives light through the lens ttl auto flash can be used for bounce flash photography, fill flash, multiple flash photography, etc. However,if you would like to have the option to enlarge your pictures to 5x7,8x10or larger,consider a 3,4 or 5 megapixel camera. A digital camera glossary by daniel grotta 11 june 2014 here is a glossary of terms that explains the features and functions of digital cameras including dslrs. Digital camera definition and meaning collins english. The footage can be transferred to a computer using a fire wire cable. Nov 16, 2019 a digital camera is a hardware device that takes photographs and stores the image as data on a memory card. Increasingly more cameras can capture video at 1920 x 1080 pixels, known as 1080p or full hd. The camera will choose the shutter speed and aperture automatically, effectively making your slr a. This paper addresses the problem of characterizing a general class of cameras under reasonable, linear assumptions. Focal length the distance between the surface of the camera lens and the sensor array at the back of the camera. Many digital cameras are capable of recording video in addition to taking photos. The footage can be transferred to a computer using a. Unlike an analog camera, which exposes the chemicals on film to light, a digital camera uses digital optical components to register the intensity and color of light, and converts it into pixel data. Glossary of digital photography terms the following glossary is not a precise technical definition of terms, but instead is an attempt at explaining photography terms in simple laymans language.
This also holds true if you want the option to perform significant edits on your digital photos,such as cropping and resizing. Ndi medical electromagnetic tracking precise realtime spatial measurement with no lineofsight requirements. The way in which any two shots are joined together is called the transition usually this is a simple cut, in which one shot changes instantly to the next. On camera definition and meaning collins english dictionary. A glossary of common photography terms that will help any beginner. Most computer monitors and digital cameras have a 4. Related terms to digital photography term definition purpose what it does photography latin meaning light writing. If you want to change the iso setting, you should check whether you can change it or not in the manual. Crop factor focal length multiplier see crop factor antiblur a camera mode that attempts to use a fast. Digital cameras equip amateur and professional photographers with multiple. Camera glossary basic terminology of digital photography. Do not confuse with optical image stabilization or image sensor shift technology where either the lens or ccd image sensor is stabilized to prevent camera shake. Manual mode m user sets both aperture and shutter speed. More complex transitions include mixing, wipes and digital effects.
A digital camera is a similar to a traditional filmbased camera, but it captures images digitally. Digital cameras employ an electronic sensor consisting of a large. Learn the terms megapixels and aperture and white balance, oh my. By proceeding to navigate on this page, you agree to the use of the cookies. In fact,in the beginning,digital still cameras could be considered as a derivative of the camcorder technology. Shots are linked edited in a sequence to tell a larger story. May 21, 2010 we look at the different terms associated with digital camera flash, including flash curtain sync, gn, pc sync, rear cutain sync, slow sync, sync speed, and ttl. Upon ar riving i n a team set ting, each m em ber should familiarize themselves with the particulars of the equipment on site.
There is a general set of rules in the video industry which describe how to frame different types of camera shots, such as the ones illustrated below for more information see types of camera shots. Reflective marker spheres for igs singleuse, presterilized passive spheres for use with most imageguided surgery systems. Shutter priority tv on a canon or s on a nikon the user is selecting iso and shutter speed, the camera is then choosing the aperture to make a correct exposure. You will not only understand the terminology and techniques discussed, but you will have a much better understanding of how your camera works and what is actually happening when you make adjustments. Aliasing refers to the jagged appearance of diagonal lines when displayed on low resolution displays. The ccd pixels gather the colour from the light and pass it to the shift register for storage. Rather than have a separate resource of just digital camera definitions for you, i included all the terms about digital cameras and photography here in the same detailed dictionary of photography definitions. Mastering digital cameras pdf download free pdf books. Digital camera definition of digital camera by merriamwebster. The optical system of a digital camera works like a film camera, in which a typical lens and diaphragm are used to adjust electronic image sensor lighting. A digital camera is a hardware device that takes pictures. One of the current trends is to embed cameras into cell phones. In a remote head camera system, the chu is a small unit that only includes the sensor, its optical interface, the cable coupling to a ccu and the minimum amount of electronic circuitry. Digital photography glossary fixed focus a lens system that doesnt require focusing.
Increasing the iso rating makes it possible to take pictures in low light conditions without using a tripod. A digital camera stores images digitally rather than recording them on film. A digital camera, a computer, and a highspeed internet connection make each of us a member of an everexpanding network or community of photographers and viewers. Once a picture has been taken, it can be downloaded to a computer system, and then manipulated with a graphics program and printed. Glossary of digital photography terms the following glossary is not a precise technical definition of terms, but instead is. In digital cameras, the firmware is the program that allows the user to activate and control the features of the camera. What digital camera christmas 2016 in the what digital camera christmas 2016 issue, highlights include 12 pages of xmas gifts and the top 5 cameras buy a digital edition of this magazine. Ac power alternating current which is used to operate your digital camera directly from the mains supply rather than a battery. Aa filter most digital slrs have a low pass filter lpf or aa antialiasing filter in front of the ccd or cmos sensor. A digital photograph creates an image file that is enormous. May 21, 2010 in the what digital camera christmas 2016 issue, highlights include 12 pages of xmas gifts and the top 5 cameras buy a digital edition of this magazine subscribe to what digital camera. Camera 2 pdf helps you scan, archive and synchronize your documents in a secure environment. Introduction the digital still camera is a challenging application for image processing techniques.
Very few digital sensors or digital film are that large. The pdf describes all of the extensions and provides links you can click or. Ccds are analogue sensors, the digitizing occurs when the electrons are passed through the a to d converter. Camera point and shoot camera dslr camera lens focal length sensor flash compact flash hot shoe. Canon digital video camera user manual pdf download. Heres a quick guide on what makes a good image to get you started. The charts and photos should help you to retain what you. A digital camera is a camera that produces digital images that can be stored on a.
Have all your documents with you at all time or synchronized on a secure server. Use it for bank document, invoice, contract, whiteboard, meetingschoo note, article, identity document, diplome. A digital video camera, video camcorder, or digital camcorder is a device that records video to formats including digital8, minidv, dvd, a hard drive, or solidstate flash memory. When i was first getting started in photography all these strange dictionary. For those who get mild headaches from the thought of tables of numbers and complicated graphs. A digital camera uses an electronic image sensor to create still photographs and record video. If you are using the print edition, open the pdf linked to the button to the left by entering the url below whenever you have access to a computer. Aa cell in the digital camera world this refers to the most common power source, the aasize battery. Just as digital images make it easy to integrate photos into many of the other things we do, digital technology makes it easy to add cameras to other devices. Rapid and accurate autofocus dual focal plane and leaf shutter system with seamless.
Digital camera definition is a camera that records images as digital data instead of on film. A low number, such as iso 100, is slow, or relatively insensitive to light. If youre ready to learn about digital camera technology, youve come to the right spot. Concretely, we use the formalism and terminology of classical projective geometry to model cam. Adjustment of the lens focal length while the camera is running zoom. According to, the definition is a camera that records images in digital form by means of a device that converts optical image to an electrical signal. A digital camera s iso rating corresponds to the speed ratings for 35mm film. Instead of saving the picture on analog film like traditional cameras, digital cameras save photos in. In the nondigital camera realm, the most common film size is 35mm, even though the frame actually measures 36mm x 24mm.
Digital camera terminology digital camera warehouse. The main deciding factors for price are usually the resolving power of the camera, i. A digital cameras iso rating corresponds to the speed ratings for 35mm film. Once a picture has been taken, it can be downloaded to a computer system, and then manipulated with a graphics program and printed unlike film photographs, which have an almost infinite resolution, digital photos are limited by the amount of memory in the camera, the optical resolution of the digitizing mechanism. Digital camera definition of digital camera by merriam. Aliasing an effect caused by sampling an image or signal at too low a rate. Hd video most new digital cameras are capable of recording highdefinition video, at a resolution of at least 1280 x 720 pixels 720p. Jun 11, 2014 a digital camera glossary by daniel grotta 11 june 2014 here is a glossary of terms that explains the features and functions of digital cameras including dslrs, mirrorless cameras and phone cameras. Digital dictionary a glossary of photographic terms. A digital camera or digicam is a camera that captures photographs in digital memory. Apparent camerasubject distance camera appears far away. The flash x sync speed of the nikon 1 v1 digital camera when using the mechanical shutter is 1250 of a second or slower. Certain nikon digital cameras such as the nikon 1 v1 digital camera utilize a dual shutter system, allowing you to choose from mechanic, electronic or electronic hi shutters depending upon your shooting situation. It is also one of the rates allowed for transmission in the dvb and atsc television standards so they can handle film without needing.
Antiblur a camera mode that attempts to use a fast enough shutter speed by upping the iso to prevent camera shake. Some digital camcorders also have the capability of taking still pictures and storing on separate media, often the same type as used in digital cameras. This has been the frame rate of motion picture film since talkies arrived. This is a light sensitive chip used in your digital camera for image gathering. A system that automatically focuses the camera lens. As with film cameras, the quality and price of a digital camera varies greatly. The cameras light sensor measures flash illumination, as reflected by the subject on the film and shuts off the flash where measurement indicates a correct exposure. An abbreviation of auto exposure, a function that allows the camera to set exposure automatically. If you choose to install the additional software, follow the onscreen procedures for each program. So in effect, the exposure will be weighted to what you see towards the centre of your viewfinder. Lets clear up some of the troubles with camera terms. Antialiasing software and graphics processors help to smooth out these lines and create a better image. If you want to learn the meaning of a photography term youll find it there.
A digital camera can have an image sensor that is rated 4. Most cameras produced today are digital, and while there are still dedicated digital cameras, many more cameras are now incorporated into mobile devices like smartphones, which can, among many other purposes, use their cameras to initiate live videotelephony and directly edit and upload imagery to others. Diopter correction this adjustment on the viewfinder of a camera allows the user to. Although traditional cameras dont have a specific iso rating, digital cameras do as a way to calibrate their sensitivity to light. This is usually accomplished by halfpressing the shutter button and keeping it at that position until youre ready to capture the image. The number of manufacturers, models, and price ranges that need to be sorted out make the process difficult enough, but throw in all the buzzwords that need to. This is effective when the area the photographer wishes to use to set. Most pointandshoot automatic cameras have a fixedfocus lens. In both cases, light is reflected off of an object and passes through a lens, which focuses the light rays, onto the light sensitive retina, in the case of eyesight, or onto film or an image sensor the case of traditional or digital.
No term defined here is going to require a science degree to figure out. The focal length of the camera determines how large the subject appears. Digital video camera users guide this digital video camera uses a mini dv tape to record footage on it. Term used to describe an automatic exposure system that uses just the centre portion of the image to adjust the overall value. A digital camera is a hardware device that takes photographs and stores the image as data on a memory card.
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