HIKMICRO Thunder 1.0 Clip-On Adapter 50ASKU: HM-THUNDER-50AHIKMICRO Thunder Clip-On Adapter. This is the eyepiece used to convert the HIKMICRO Thunder from a dedicated scope to a Clip-On unit. Suitable for 55-59mm diameter scopeR2 930,00PriceQuantityAdd to CartBuy Now