[edit] Viewing screen
Main article: Projection screen
In most cases this is a reflective surface which may be either aluminized (for high contrast in moderate ambient light) or a white surface with small glass beads (for high brilliance under ...
is reflected to a viewing screen for focusing and composition. This allows you to see what the lens sees regardless of the lens focal length or the lens-to-subject distance. The reflex system is simple and reliable.
A camera with movements in which the taking lens forms an image directly on a ground-glass viewing screen. A film holder is inserted in front of the ground glass for exposure.
For example, with many of these programs you can open a photo viewing screen and then drag and drop photos onto the screen so they can be seen by others.
They're probably on the underside of the viewing screen. If your camera has a removable focusing screen, now's the time to remove and clean it with a microfiber cloth, as you would a lens-but lay off any lens cleaner (as we'll soon explain).
AMOLED is an advanced technology for various viewing screens, compared to LCD. AMOLED is more durable and flexible. It is brighter and refreshes repeatedly a screen with AMOLED, and with less energy.
OLED: Organic Light Emitting Diode. A new type of viewing screen [display]. Can be viewed in bright lighting conditions, at greater angles, unlike LCD's. Beginning to be used in digital cameras.
-Fresnel magnifier - condenser lens used at the center of some ground glass viewing screens to aid focusing.
-Frilling - wrinkling and separation of the emulsion along the edges of its support material.
SINGLE LENS REFLEX - (SLR) A camera with one lens only for both viewing and picture-taking. The image is reflected onto a viewing screen by a moveable mirror in the camera.
Reflex camera. a camera with a built-in mirror that reflects the scene being photographed onto a ground-glass viewing screen. See Single-lens reflex, Twin-lens reflex.
A meter that takes measurements from a one degree angle. Some advanced SLR cameras have an integral spot meter with the measuring pattern marked on the viewing screen.
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Family rooms, dens, and basements in homes throughout America and beyond are being turned into multimedia gaming, movie-viewing and audiophile-friendly escapes thanks to bigger, brighter viewing screens, better multi-speaker sound systems, ...
8 inch LCD panel for previewing, making the viewing screen a visual delight. Furthermore, the camera has an APS-CMOS 12.3 megapixel sensor delivering a maximum resolution of 1280x720 pixels for shooting videos.
in the case of a coupled rangefinder, when the lens is correctly focused. SLR cameras may have a prismatic split-image system in their viewing screen. Works on the same principle as a microprism, and is restricted to apertures of f5.6 or greater.
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Alternatively you can use a device like the Epson P-2000 ($490) which stores up to 40GB of images with a large viewing screen, but costs much more than a plain hard drive.
However, the digital users were consistently showing their results on the LCD viewing screen on the back of the cameras to other guests and the bride and groom. Guests asked for copies of photos and promises were made to e-mail photos.
And see how bright the LCD viewing screen is when you're standing by a bright window. You'll find a lot of reviews online for various cameras, but when it comes to measuring ease of use, nothing beats a hands-on visit in the store.
This idea of interchangeable lenses led to the idea of a modular, system-based camera, where one could not only change lens, but also viewing screens, backs, add winders and strobes-in effect easily customize at will.
 See also: Camera, Image, Light, Lens, Focus
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