40-49mm
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Explore Scientific - 62° 40mm Long Eye Relief Waterproof Eyepiece - 2"
$209.99SKU: EXP-EPWP6240LE-01FREE SHIPPING(48 States) -
Explore Scientific - 40mm 68° Series Argon-Purged Waterproof Eyepiece - 2"
$389.99SKU: EXP-EPWP6840-01FREE SHIPPING(48 States)