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  2. Arthropod eye - Wikipedia

    en.wikipedia.org/wiki/Arthropod_eye

    Some insect larvae, e.g., caterpillars, have a different type of simple eye known as stemmata. These eyes usually provide only a rough image, but (as in sawfly larvae) they can possess resolving powers of 4 degrees of arc, be polarization sensitive and capable of increasing their absolute sensitivity at night by a factor of 1,000 or more. [4]

  3. Night-vision device - Wikipedia

    en.wikipedia.org/wiki/Night-vision_device

    India: civilian possession and trading of night-vision scopes is prohibited without permission from Union home ministry. [97] Netherlands: possession is not regulated, but night-vision devices mounted on firearms require a permit. Using mounted night-vision equipment for hunting requires a permit in the Veluwe for hunting wild boar.

  4. Night vision - Wikipedia

    en.wikipedia.org/wiki/Night_vision

    A specific type of NVD, the night vision goggle (NVG) is a night vision device with dual eyepieces. The device can utilize either one intensifier tube with the same image sent to both eyes, or a separate image intensifier tube for each eye. Night vision goggles combined with magnification lenses constitutes night vision binoculars.

  5. Simple eye in invertebrates - Wikipedia

    en.wikipedia.org/wiki/Simple_eye_in_invertebrates

    Jumping spiders and some other predatory spiders with seemingly simple eyes also emulate retinal vision in various ways. Many insects have unambiguously compound eyes consisting of multiple lenses (up to tens of thousands), but achieve an effect similar to that of a camera eye, in that each ommatidium lens focuses light onto a number of ...

  6. Thermal weapon sight - Wikipedia

    en.wikipedia.org/wiki/Thermal_weapon_sight

    A thermographic weapon sight, thermal imagery scope or thermal weapon sight is a sighting device combining a compact thermographic camera and an aiming reticle. [1] They can be mounted on a variety of small arms as well as some heavier weapons. [2] As with regular ultraviolet sensors, thermal weapon sights can operate in total darkness.

  7. Infrared vision - Wikipedia

    en.wikipedia.org/wiki/Infrared_vision

    Infrared vision is the capability of biological or artificial systems to detect infrared radiation. The terms thermal vision and thermal imaging [ 1 ] [ 2 ] are also commonly used in this context since infrared emissions from a body are directly related to their temperature: hotter objects emit more energy in the infrared spectrum than colder ones.

  8. Scutigera coleoptrata - Wikipedia

    en.wikipedia.org/wiki/Scutigera_coleoptrata

    Scutigera coleoptrata, also known as the house centipede, is a species of centipede that is typically yellowish-grey and has up to 15 pairs of long legs. Originating in the Mediterranean region, it has spread to other parts of the world, where it can live in human homes. [1]

  9. Firefly - Wikipedia

    en.wikipedia.org/wiki/Firefly

    They are soft-bodied beetles commonly called fireflies, lightning bugs, or glowworms for their conspicuous production of light, mainly during twilight, to attract mates. [5] Light production in the Lampyridae is thought to have originated as a warning signal that the larvae were distasteful.

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