S8161 SCT 2.5-inch spiral focusing, 2-inch output port

S8161 SCT 2.5-inch spiral focusing, 2-inch output port
Product Features:
2.5-inch aperture, 2-inch output, coaxial quick locking.
Product only: 430g, with SCT port only: 470g
It is a super large and lightweight spiral focusing device currently available on the market.
Input port: SCT port, M60*1
Focusing stroke: 50MM
Shortest: 75mm
Maximum length: 125mm