Rifle Scopes Rifle Scopes: Tunneling Between Magnification Ranges

[datec]

None of my current scopes tunnel.

Swift, model 669m, 6-18x44
Leatherwood, M-1000, 2.5-10x44
Leepers, Accushot Swat Mil-Dot, 3-12x44
Simmons, model 1064, 3-9x40
Simmons, model Pro50, 2.5-10x50

 

[Tactical_Tom]

Does anyone know if the Schmidt & Bender 12-50 tunnels?