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  2. List of virtual reality headsets - Wikipedia

    en.wikipedia.org/wiki/List_of_virtual_reality...

    Depends on device Depends on device Depends on device 100º 261 g Discontinued [143] No 3 DoF Controller Google Daydream No Pico G2 4K 2019-03-27 No LCD: 1920x2160 8:9 75 Hz 101º 278 g (goggle only) 470 g (goggle+battery) $300 (32 GB base version) $350 (128 GB S version) No 3DoF Snapdragon 835 Pico Store + VivePort No Oculus Quest [144] [145]

  3. Corrective Optics Space Telescope Axial Replacement

    en.wikipedia.org/wiki/Corrective_Optics_Space...

    The budgeted cost of the COSTAR was US$50,000,000. [5] To fit the COSTAR system onto the telescope, one of the other instruments had to be removed, and astronomers selected the High Speed Photometer to be sacrificed, which was the least important of the four axial detectors.

  4. Lens - Wikipedia

    en.wikipedia.org/wiki/Lens

    A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.

  5. List of instruments used in ophthalmology - Wikipedia

    en.wikipedia.org/wiki/List_of_instruments_used...

    to measure the degree of squints; in other instruments; refractive correction; etc. Placido's disc: to assess the condition of the corneal surface Retinoscope:

  6. List of orthodontic functional appliances - Wikipedia

    en.wikipedia.org/wiki/List_of_Orthodontic...

    This is a comprehensive list of functional appliances that are used in the field of orthodontics. The functional appliances can be divided into fixed and removable. The fixed functional appliances have to be bonded to the teeth by an orthodontist.

  7. Levelling - Wikipedia

    en.wikipedia.org/wiki/Levelling

    A wooden tripod holding an optical level is set up firmly on the ground. Levelling or leveling (American English; see spelling differences) is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum.

  8. List of products using ARM processors - Wikipedia

    en.wikipedia.org/wiki/List_of_products_using_ARM...

    This is a list of products using processors ... Garmin Navigation Devices (mid–late 2000s), TomTom navigation devices; [2] Boardcon EM2440-III [3] ...

  9. 10 Gigabit Ethernet - Wikipedia

    en.wikipedia.org/wiki/10_Gigabit_Ethernet

    Router with two dozen 10 Gigabit Ethernet ports and three types of physical-layer module. 10 Gigabit Ethernet (abbreviated 10GE, 10GbE, or 10 GigE) is a group of computer networking technologies for transmitting Ethernet frames at a rate of 10 gigabits per second.