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The Sony α7 IV (model ILCE-7M4) is a full-frame mirrorless interchangeable-lens camera manufactured by Sony. It was announced [ 1 ] on 21 October 2021 as the successor to the Sony α7 III . Featuring a new 34.1MP (approx. total) [ 2 ] back-illuminated CMOS sensor inside, latest BIONZ XR™ image processor, Real-Time Eye AF tracking and 4K 60p ...
The Sony α7 and α7R have the model numbers ILCE-7 and ILCE-7R respectively. In addition, the α7S, the α7 II, and the α7R II have the model numbers ILCE-7S, ILCE-7M2, and ILCE-7RM2. Sony's new model naming prefix strives to unify model names. "ILC" stands for Interchangeable Lens Camera, followed by an indicator of A-mount "A" or E-mount "E ...
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. [1] It differs from a live preview screen in being smaller and shaded from ambient light, and may also use less power.
Compared with some low-cost cameras that provide an optical viewfinder that uses a small auxiliary lens, the DSLR design has the advantage of being parallax-free: it never provides an off-axis view. A disadvantage of the DSLR optical viewfinder system is that when it is used, it prevents using the LCD for viewing and composing the picture.
Canon PowerShot SX720 HS. This is a list of superzoom compact cameras, also known as travel zoom cameras. [1] [2] These are small fixed-lens "point-and-shoot" digital cameras that have a high optical zoom ratio.
The viewfinder thus acts as a kind of lens filter. [1] [2] [3] The most popular method involves using a digital camera as the image taking camera and an intact twin-lens reflex camera (TLR) or pseudo-TLR as the "viewfinder" camera. [4] TLRs typically have square waist-level viewfinders, with the viewfinder plane at 90 degrees to the image plane ...
The Sony α7R IV (model ILCE-7RM4) [2] is a full-frame mirrorless interchangeable-lens camera manufactured by Sony. It was announced on 16 July 2019 as the successor to the Sony α7R III launched two years prior.
In photography, a viewfinder is a device on a camera that a photographer uses to determine exactly where the camera is pointed, and approximately how much of that view will be photographed. A viewfinder can be mechanical (indicating only direction and approximate view), with simple optical components, with precision optics and optical functions ...