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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.
The Panasonic Lumix DMC-GH2 is a digital camera with HD video recording capability that is part of the Micro Four Thirds system.Though commonly referred to as a DSLR (digital single-lens reflex) camera, it has no mirror or optical viewfinder, but has instead both a fold-out LCD screen and a (somewhat higher resolution) electronic viewfinder.
There is a half mirror prism that reflect data from LCD to the optical viewfinder, so we can see both the shooting frame and the shooting data. A button can change the hybrid function to electronical viewfinder by blocking the image through the optical viewfinder with moving a half mirror prism to be a straight up mirror. [5]
Upon introduction in March 2010, [2] the Panasonic Lumix DMC-G2 was marketed as the world's first interchangeable lens camera with an articulated, touch control LCD. Also added was 720p HD video and a redesigned physical user interface, changing placement of dials and button controllers, and an electronic viewfinder.
The display moves around two axes which are at a right angle to each other, so that the screen both tilts and swivels. This type is called swivel screen . Other names for this type are vari-angle screen , fully articulated screen , fully articulating screen , rotating screen , multi-angle screen , variable angle screen , flip-out-and-twist ...
2. Step zoom When you operate the zoom, the zoom will stop at positions corresponding to predetermined distances. 3. Zoom resume When you switch the power switch [ON], the zoom positions when you last switched [OFF] are automatically restored. 4. Selectable zoom speed Users can select the speed of electric-powered zooming. 1.2 2011-10-12
EVF color display, 100% field of view, 0.7x (35mm equiv), 1.4x magnification, with 1,440K dots equivalent; LCD or articulated multi-angle 3.0 inch color LCD (460,000 dots equivalent) The Panasonic Lumix DMC-GH1 is a digital mirrorless interchangeable lens camera adhering to the Olympus and Panasonic developed Micro Four Thirds System (MFT ...
0.01 ms [10] to less than 1 μs, [11] but limited by phosphor decay time (around 5 ms) [12] 1–8 ms typical (according to manufacturer data), older units could be as slow as 35 ms [13] Typically less than 0.01 ms, as low as 2 μs, [10] [14] but limited by phosphor decay time (around 5 ms) Estimates varying from under 0.01 ms to as low as 1 μs ...
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