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With mirror lock-up the mirror (2) flips up towards (5) well before the shutter (3) opens. As a result, light no longer reaches the eyepiece (8). Mirror lock-up (often abbreviated to MLU) is a feature employed in many Single Lens Reflex (SLR) cameras. It allows the operator to reduce vibration-induced motion blur during exposure. It also allows ...
Using a mirror to allow viewing from above also enabled the camera to be held much more steadily against the body than a camera held with the hands only. The London Stereoscopic Co's "Carlton" model, dating from 1885, is claimed to be the first off-the-shelf TLR camera. [ 4 ]
When the shutter is released, the mirror swings up and away allowing the exposure of the photographic medium and instantly returns after the exposure. No SLR camera before 1954 had this feature, although the mirror on some early SLR cameras was entirely operated by the force exerted on the shutter release and only returned when the finger ...
The mirrorless interchangeable-lens camera achieves the same result by providing the photographer with a digitally captured image. The twin-lens reflex camera provides both a viewfinder image by reflecting the image onto ground glass and an image through another lens to the film. The image exposing the film is not reflected.
To take an image, the mirror swings upwards in the direction of the arrow, the focal-plane shutter opens, and the image is projected and captured on the image sensor. After these actions, the shutter closes, the mirror returns to the 45-degree angle, and the built-in drive mechanism re-tensions the shutter for the next exposure.
CR2 – Canon camera raw format; photos have this on some Canon cameras if the quality RAW is selected in camera settings; DNG – "Digital Negative" a type of raw image file format used in digital photography. RAW – General term for minimally processed image data (acquired by a digital camera)
A flipped image is a static or moving image that is generated by a mirror-reversal of an original across a horizontal axis, making the image upside-down. In contrast, a flopped image is mirrored across the vertical axis, as in a conventional mirror image .
A pinhead mirror can be used to create a camera similar to a pinhole camera. Instead of passing through a tiny aperature , the light to form the image is reflected by a small disc -shaped mirror (with a diameter the same as that of a pinhole ; about 0.15 mm - 0.4 mm).