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KZLR
A zoom-lens reflex (ZLR) camera is a low-end single-lens reflex (SLR) camera having an integrated zoom lens rather than the interchangeable lenses found on other SLR cameras. The term was coined by Olympus for thIS-seriesfilm cameras. Olympus also applied the designation to the D-500L & D-600L in press releases carried by PR Newswire. Olympus now refers to these cameras, along with the D-620L, simply as "Digital cameras". For the Olympus E-10 and E-20 digital cameras, while some journalists continued to apply the term ZLR, Olympus themselves reverted to using the term SLR. See also * Single-lens reflex camera * Digital single-lens reflex camera * Electronic viewfinder An electronic viewfinder (EVF) is a camera viewfinder where the image captured by the lens is displayed on a small screen (usually LCD or OLED) which the photographer can look through when composing their shot. It differs from a live preview sc ... References Cameras by type {{Photo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Camera
A camera is an instrument used to capture and store images and videos, either digitally via an electronic image sensor, or chemically via a light-sensitive material such as photographic film. As a pivotal technology in the fields of photography and videography, cameras have played a significant role in the progression of visual arts, media, entertainment, surveillance, and scientific research. The invention of the camera dates back to the 19th century and has since evolved with advancements in technology, leading to a vast array of types and models in the 21st century. Cameras function through a combination of multiple mechanical components and principles. These include exposure control, which regulates the amount of light reaching the sensor or film; the lens, which focuses the light; the viewfinder, which allows the user to preview the scene; and the film or sensor, which captures the image. Several types of camera exist, each suited to specific uses and offering unique cap ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Single-lens Reflex Camera
In photography, a single-lens reflex camera (SLR) is a type of camera that uses a mirror and prism system to allow photographers to view through the lens and see exactly what will be captured. SLRs became the dominant design for professional and consumer-level cameras throughout the late 20th century, offering interchangeable lenses, through-the-lens (TTL) metering, and precise framing. Originating in the 1930s and popularized in the 1960s and 70s, SLR technology played a crucial role in the evolution of modern photography. Although digital single-lens reflex (DSLR) cameras succeeded film-based models, the rise of Mirrorless camera, mirrorless cameras in the 2010s has led to a decline in SLR use and production. With twin lens reflex and rangefinder cameras, the viewed image could be significantly different from the final image. When the shutter button is pressed on most SLRs, the mirror flips out of the light path and allows light to pass through to the light receptor and the im ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zoom Lens
A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens (''prime lens''). A true zoom lens or optical zoom lens is a type of '' parfocal lens'', one that maintains focus when its focal length changes. Most consumer zoom lenses do not maintain perfect focus, but are still nearly parfocal. Most camera phones that are advertised as having optical zoom actually use a few cameras of different but fixed focal length, combined with digital zoom to make a hybrid system. The convenience of variable focal length comes at the cost of complexity – and some compromises on image quality, weight, dimensions, aperture, autofocus performance, and cost. For example, all zoom lenses suffer from at least slight, if not considerable, loss of image resolution at their maximum aperture, especially at the extremes of their focal length range. This effect is evident in the corners of the image ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lenses For SLR And DSLR Cameras
This article details Camera lens, lenses for Single-lens reflex camera, single-lens reflex and Digital single-lens reflex camera, digital single-lens reflex cameras (SLRs and DSLRs respectively). The emphasis is on modern lenses for 135 film, 35 mm film SLRs and for "Full-frame DSLR, full-frame" DSLRs with Image sensor format, sensor sizes less than or equal to 35 mm. Design Interchangeable lenses On most Single-lens reflex camera, SLR and Digital single-lens reflex camera, DSLR cameras, the lens can be changed. This enables the use of lenses that are best suited for a given photographic need, and allows for the attachment of specialized lenses. Film SLR cameras have existed since the late 1950s, and over the years, a very large number of different lenses have been produced, both by camera manufacturers (who typically only make lenses intended for their own camera bodies) and by third-party optics companies who may make lenses for several different camera lines. DS ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olympus Corporation
is a Japanese manufacturer of optics and reprography products, headquartered in Hachioji, Tokyo. Olympus was established in 1919, initially specializing in microscopes and thermometers, and later in imaging. Olympus holds roughly a 70 percent share of the global endoscope market, estimated to be worth approximately US$2.5 billion. It was formerly also a maker of cameras, camera lens, camera lenses and dictaphones, until it divested this part to OM Digital Solutions in 2020. In 2011, Olympus scandal, Olympus attracted worldwide media scrutiny when it fired its CEO Michael Christopher Woodford for whistleblowing, and the matter snowball effect, snowballed into a corporate corruption investigation with multiple arrests. In 2016, it paid million (equivalent to $million in ) in fines associated with its illegal, long running, Kickback (bribery), kickback scheme. Products Cameras and audio In 1936, Olympus introduced its first camera, the Semi-Olympus I, fitted with the first Z ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olympus E-10
The Olympus E-10 is a digital single-lens reflex camera with a 4.0-megapixel In digital imaging, a pixel (abbreviated px), pel, or picture element is the smallest addressable element in a Raster graphics, raster image, or the smallest addressable element in a dot matrix display device. In most digital display devices, p ... CCD image sensor that was introduced in 2000. Unlike most digital SLRs the camera is not a system camera – its lens is fixed to the body. It has a TTL optical viewfinder, and a 4× optical zoom lens with lens aperture f/2–2.4. Instead of a moving (reflex) mirror a beam splitting fixed (non-reflex) prism is used to split the image between the optical viewfinder and CCD. Thus it was possible to have a live view on the LCD and in parallel see the image in the TTL viewfinder. The E-10 has a strong metallic case that weighs in at approximately . It was succeeded by the 5-megapixel Olympus E-20, announced in 2001. See also * List of digital camera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olympus E-20
The Olympus E-20 (available under the names ''E-20N'' and ''E-20P'', depending on whether it had NTSC or PAL video output, respectively) is a 5-megapixel non-interchangeable lens DSLR manufactured by Olympus Corporation of Japan, as a successor to its E-10 model. It also has a fixed lens and a beam splitting prism instead of a moving mirror. It has easy dial keys for choices of pictures, videos, and more. It was announced on September 13, 2001. See also * List of digital cameras with CCD sensors There has been renewed interest in vintage digital cameras, also known as digicams, due to their ability to take photos with a particular nostalgic look without the expense of analog photographic film, film. This trend coincides with the resurgen ... References External links Official sites Olympus America's E-20 pages Product reviews DPReview's E-20 specification pageDPReview.com's review of the E-20 Bridge digital cameras E-20 Cameras introduced in 2001 Digital cameras wit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Digital Camera
A digital camera, also called a digicam, is a camera that captures photographs in Digital data storage, digital memory. Most cameras produced today are digital, largely replacing those that capture images on photographic film or film stock. Digital cameras are now widely incorporated into mobile devices like smartphones with the same or more capabilities and features of dedicated cameras. High-end, high-definition dedicated cameras are still commonly used by professionals and those who desire to take higher-quality photographs. Digital and digital movie cameras share an optical system, typically using a Camera lens, lens with a variable Diaphragm (optics), diaphragm to focus light onto an image pickup device. The diaphragm and Shutter (photography), shutter admit a controlled amount of light to the image, just as with film, but the image pickup device is electronic rather than chemical. However, unlike film cameras, digital cameras can display images on a screen immediately afte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Digital Single-lens Reflex Camera
A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras. In the reflex design, light travels through the lens and then to a mirror that alternates to send the image to either a prism, which shows the image in the optical viewfinder, or the image sensor when the shutter release button is pressed. The viewfinder of a DSLR presents an image that will not differ substantially from what is captured by the Image sensor, camera's sensor, as it presents it as a direct optical view through the main camera lens rather than showing an image through a separate secondary lens. DSLRs largely replaced film-based SLRs during the 2000s. Major camera manufacturers began to transition their product lines away from DSLR cameras to mirror ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electronic Viewfinder
An electronic viewfinder (EVF) is a camera viewfinder where the image captured by the lens is displayed on a small screen (usually LCD or OLED) which the photographer can look through when composing their shot. It differs from a live preview screen in being smaller and shaded from ambient light, and may also use less power. The sensor records the view through the lens, the view is processed, and finally projected on a miniature display which is viewable through the eyepiece. Digital viewfinders are used in digital still cameras and in video cameras. Some cameras (such as Panasonic, Sony, Fujifilm) have an automatic eye sensor which switches the display from screen to EVF when the viewfinder is near the eye. More modest cameras use a button to switch the display. Some have no button at all. While many cameras come with a built-in EVF, this is fixed in place and can only be used while holding the camera to the user's eye, which may not be convenient. Other cameras don't come with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
