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SDR, HDR, and WDR are camera terms that refer to what type of imaging tech your device uses to capture details in over- and under-exposed lighting environments.
In this context, the term high dynamic range means there is a large amount of variation in light levels within a scene or an image. The dynamic range refers to the range of luminosity between the brightest area and the darkest area of that scene or image.
A 3.5 mm coaxial camera jack named PC terminal, to synchronize external non-dedicated flashes (f.e. studio flashes), found on many more advanced camera models. Also may mean "Perspective Control" for a lens that has the ability to shift to tilt to control linear perspective in an image.
Graduated neutral density filters are used to decrease the dynamic range of scene luminance that can be captured on photographic film (or on the image sensor of a digital camera): The filter is positioned in front of the lens at the time the exposure is made; the top half is dark and the bottom half is clear. The dark area is placed over a ...
The wide dynamic range (WDR) neuron was first discovered by Mendell in 1966. [1] Early studies of this neuron established what is known as the gate control theory of pain . The basic concept is that non-painful stimuli block the pathways for painful stimuli, inhibiting possible painful responses. [ 2 ]
Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly website. [13] In 2011, Quizlet added the ability to listen to content using text-to-speech. [14] In August 2012, it released an app for the iPhone and iPad and shortly afterward one for Android devices. [13]
WDR may refer to: Waddell & Reed (stock ticker: WDR), an American asset management and financial planning company; Walt Disney Records, an American record label of the Disney Music Group; WDR neuron, a type of neuron involved in pain signalling; Westdeutscher Rundfunk (German: 'West German Broadcasting'), a German public-broadcasting institution
Tone mapped high-dynamic-range (HDR) image of St. Kentigern's Church in Blackpool, Lancashire, England. In photography and videography, multi-exposure HDR capture is a technique that creates high dynamic range (HDR) images (or extended dynamic range images) by taking and combining multiple exposures of the same subject matter at different exposures.