Ricoh | | Pentax SMC XW 16.5mm Eyepiece for Spotting Scopes and Astronomical Telescopes | Best Buy

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Pulsar | | Oryx LRF XG35 2.520x f35/1.0 Thermal Imaging Monocular | Best Buy

$2799.97

Carson | | miniAura Digital Night Vision Monocular | Best Buy

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Pulsar | | Telos XQ35 Thermal Imaging Monocular (Refurbished) | Best Buy

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Carson | | MonoZoom 7x to 21x 21mm Monocular | Best Buy

$36.99

Celestron | | Outland X 10x50mm Monocular with Smartphone Adapter | Best Buy

$89.95