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In photography, manual focus override, also known as full-time manual focus, allows manual intervention in the autofocus acquisition process simply by turning the focus ring on a photographic lens. There are a number of technologies used to implement this feature.
Fujifilm FinePix A203 Fujifilm FinePix A400. The Fujifilm FinePix A series of digital cameras consists of the company's entry-level point and shoot models. The A series was created in late 2001 and was expanded a few years later when Fujifilm transitioned to a fully alphanumeric system of naming their digital cameras.
The lens features a fly-by-wire focus ring which is situated closest to the camera's body. It can be used in manual-focus mode with the assist of an focus scale in the viewfinder. The lens can focus as close as 1 cm in Super Macro Mode. The S200EXR is powered by a proprietary lithium-ion battery which is supplied with the camera as well as a ...
The focus itself may be adjusted in a variety of ways. Larger view cameras and the like slide the lens closer or further from the film plane on rails; on smaller cameras, a focus ring on the lens is often rotated to move the lens elements by means of a helical screw. Other systems include levers on the lens or on the camera body.
Some reviewers have suggested that, while the camera takes excellent photos, it suffers from design flaws and a poor focus system. [ 1 ] [ 2 ] The X series has been expanded to include the Fujifilm X10 - a 'scaled down' X100 with 4x manual barrel zoom lens , the Fujifilm X-S1 bridge camera and the Fujifilm X-Pro1 Mirrorless interchangeable-lens ...
The user interface is much easier to use with a ring selector similar to other compact digital cameras. The zoom control is in the form of a ring surrounding the shutter button, with the parallax control now in the form of a slider on top of the camera. 2D/3D selection is through a single button, as is the video mode.
An Arri 35mm film camera with a follow focus mechanism mounted to a zoom lens. Pulling focus using a follow focus device. A follow focus is a focus control mechanism used in filmmaking with film cameras and in television production with professional video cameras. It helps the camera operator be more efficient and precise.
The camera's features were fairly impressive at launch including a 10x optical zoom, a 5.1-megapixel CCD imaging sensor as well as a host of manual settings. The manual settings which the s5200 featured allow much control over the image, such settings like TTL metering, ISO, flash, Macro, White Balance and Red Eye Reduction could be manipulated.