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The first Razer Naga was announced at Gamescom 2009 [1] and released in August 2009. [2] The first version of the Naga had a total of seventeen buttons, [3] with twelve being on the left side of the mouse, and a switch on the underside of the mouse that maps them to the keyboard's top number buttons or its numeric keypad. [2]
The Razer DeathAdder gaming mouse introduced in 2006 is the company's most popular mouse line by sales, [47] having sold over 20 million units worldwide by June 2024. [48] Razer mice are used by around 8% of professional first-person shooter gamers. [49] In 2021, Razer introduced a new 8 kHz "HyperPolling" technology to power the Razer Viper 8K ...
Context sensitivity is important in video games, especially those controlled by a gamepad, joystick or computer mouse in which the number of buttons available is limited. It is primarily applied when the player is in a certain place and is used to interact with a person or object.
Light sensitivity or photosensitivity refers to a notable or increased reactivity to light. Apart from vision , human beings have many physiological and psychological responses to light. In rare individuals an atypical response may result in serious discomfort, disease, or injury.
Spectral sensitivity is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal. In visual neuroscience , spectral sensitivity is used to describe the different characteristics of the photopigments in the rod cells and cone cells in the retina of the eye .
The photoresistivity of any photoresistor may vary widely depending on ambient temperature, making them unsuitable for applications requiring precise measurement of or sensitivity to light photons. Photoresistors also exhibit a certain degree of latency between exposure to light and the subsequent decrease in resistance, usually around 10 ...
A large photodiode below measures the light flux through the analyzer grating, which is a sinusoidal function of incident angle. ASPs are typically composed of two gratings (a diffraction grating and an analyzer grating) above a single photodiode. ASPs exploit the moire effect and the Talbot effect to gain their sinusoidal light sensitivity ...
Responsivity is a measure of the input–output gain of a detector system. In the specific case of a photodetector, it measures the electrical output per optical input.. A photodetector's responsivity is usually expressed in units of amperes or volts per watt of incident radiant power.