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  • Sbr20 1200mm linear rail optical axis guide with 2pcs ...

    Only US$77.99, buy best sbr20 1200mm linear rail optical axis guide with 2pcs sbr20uu bearing blocks sale online store at wholesale price.

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  • Miniature Motorized Linear Stage -

    Precision lapping screw and crossed roller guide ensure the accuracy of the motorized linear stage. This stage is miniature motorized linear stage, the height of the platform is only 30mm. We have another miniature motorized translation stage MOX-01-25 with 25mm travel range. Drived by stepper motor, the stage can be easily controlled by stepper motor driver via RS232 interface.

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  • AAReST - Satellite Missions - eoPortal Directory

    Telescope payload design. The AAReST telescope payload represents a segmented sparse aperture comprising four circular mirror elements of 10 cm diameter each – two rigid and two deformable (Figure 5).It is a prime focus telescope, operating in the visible band (465-615 nm wavelength bandpass) and has a 0.34º FOV (Field of View) and 1.2 m focal length.

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  • Laser scanning–based straightness measurement of

    2021-7-9u2002·u2002Measurement principle. Figure 1 schematically shows the measurement principle as a cross-section of the setup at an arbitrary rod position. Two laser scanners are placed above the rod, which is located statically on mounting supports. Each laser scanner scans the laser beam perpendicular to the rod's axis across the rod (this corresponds to a small angular range of …

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  • MetOp-SG - eoPortal Directory - Satellite Missions

    Optics: The rotating telescope scanner design consists of a three-mirror anastigmat, rotating at constant speed about an axis parallel to the line-of-sight, followed by a HAM (Half-Angle-Mirror), a plane mirror rotating at half of the telescope speed. Such a …

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  • Particle-like topologies in light

    2021-11-22u2002·u2002Three-dimensional (3D) topological states resemble truly localised, particle-like objects in physical space. Among the richest such structures are 3D skyrmions and hopfions, that realise integer ...

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  • Glasses Online – Prescription Glasses - Zenni Optical

    Shop affordable glasses online. Everyone should have access to high-quality, affordable eyeglasses, so we created a huge range of frame styles for everyone, with prices starting at just $6.95 for single-vision prescription glasses. With additional options including Blokz blue-light-blocking glasses, prescription and non-prescription sunglasses ...

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  • Best .270 Rifles [2021]

    2021-8-9u2002·u2002If you're looking for a hunting rifle for deer and elk, there's no beating the iconic .270 Winchester caliber. Today, I'll showcase the best .270 rifles of 2021 and their features, and we'll also talk about the .270 Winchester caliber and discuss important points why it remains a top-choice caliber among hunters.

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  • XYZ Table -Manual xyz Table, Manual xyz ... - optics

    The main material of the manual xyz translation stage is aluminum alloy, so the weight of manual xyz stage is very light and the stage can be easily built in other equipment. Our xyz translation stages use high quality micrometer head with 0.5mm pitch.

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