Kowa TSN-LS2 Extension Ring - Allows Zoom Eyepieces to Use TSN-DA4 Digiscoping Adapter Product Type_Digiscoping adapter which can make the optical

which can make the optical components move out of collimation over time

Precision Zero Stop system allows you to lock down your zero position and dial back to it with a sharp and precise stop right at your zero mark even you are turning it in pitch-dark or blinded folded

Right-eye diopter adjustment

15x with 67mm scopes

9° with 82mm scopes

Kowa TSN-LS2 Extension Ring - Allows Zoom Eyepieces to Use TSN-DA4 Digiscoping Adapter Product Type_Digiscoping adapter which can make the opticalThe Kowa TSN LS2 Extension Ring allows you to use zoom eyepieces with the Kowa TSN DA1 Digital Camera Adapter for Digiscoping and the Kowa TSN DA4 Universal Compact Camera Adapter for Digiscoping (both purchased separately). This extension tube can be bought as a package with the Kowa TSN DA1 Compact Digital Camera Adapters for Digiscoping here. Kowa TSN LS2 Extension Ring Features: For digiscoping with zoom eyepieces Weight 68g Unsure what