300x40 Monocular Telescope High Powered Zoom for Smartphone Handheld Monocular with Flexible Tripod for Hunting Bird Watching Travel

Product size 17312843mm stretchshrinkField of view 80.5M241.5FT-45.5M135.5FT1000m1000YDSFocusing mode stretch rough adjustmentrotation fine-tuningPrism system Roof typePrism material BAK-4Outlet diameter 4.2-1.7 mmOutlet distance 17-14 mmEyepiece diameter 32 mmEyepiece diameter 14 mmCoating technology eyepiece anti-reflection green filmeyepiece anti-reflection blue film

$29.99

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