Check the listing for details. Multi-Function Finder Scope Base Dovetail Clamp Mount for Astronomical Telescope. Condition: New. Listed at 7.19 USD. Multi-Function Finder Scope Base Dovetail Clamp Mount for Astronomical Telescope Feature: Type A: Black finder scope base with flat bottomIt cannot be used on curved object surfaces.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box/ tube ring on the dovetail plate. Aluminum alloy with oxidized surface1/4 screw hole, M4 through-hole Size: 44*40*16cm,weight: 40g Type B: Red finder scope base with flat bottomIt cannot be used on curved object surfaces.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box/ tube ring on the dovetail plate. Aluminum alloy with oxidized surface1/4 screw hole, M4 through-hole Size: 44*40*16cm,weight: 40g Type C: Black bridge type finder scope base with concave bottom It cannot be used on dovetail plate.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box/ on curved object surfaces or tube ringsAluminum alloy with oxidized surface1/4 screw hole, M4 through-hole Size: 44*40*20cm,weight: 50g Type D: Red bridge type finder scope base with concave bottom It cannot be used on dovetail plate.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box/ on curved object surfaces or tube rings Aluminum alloy with oxidized surface1/4 screw hole, M4 through-hole Size: 44*40*20cm,weight: 50g Type E: Black cross slot finder scope base with flat bottomIt cannot be used on curved object surfaces.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box/ tube ring on the dovetail plate.Aluminum alloy with oxidized surface Size: 54.2*39*18cm,weight: 40g Type F: Red cross slot finder scope base with flat bottom It cannot be used on curved object surfaces.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box/ tube ring on the dovetail plate.Aluminum alloy with oxidized surface Size: 54.2*39*18cm,weight: 40g Type G: Red cross slot bridge type finder scope base with concave bottomIt cannot be used on dovetail plate.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box on C925/C11/C14/C8HD/C925HD/C11HD/C14HD curved object surfaces or tube rings Aluminum alloy with oxidized surface Size: 54.1*39*22.6cm,weight: 50g Type H: Black cross slot bridge type finder scope base with concave bottomIt cannot be used on dovetail plate.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box on C925/C11/C14/C8HD/C925HD/C11HD/C14HD curved object surfaces or tube rings Aluminum alloy with oxidized surface Size: 54.1*39*22.6cm,weight: 50g Type I: Black cross slot bridge type finder scope base with concave bottomIt cannot be used on dovetail plate.Suitable for installing a variety of accessories such as finder scope/ guide scope/ guide box on 150SLT/6SE/8SE/C5/C6/C8 curved object surfaces or tube ringsAluminum alloy with oxidized surface Size: 44*39*20.2cm,weight: 35g Type J: Red bridge type finder scope base with concave bottomSuitable for installing a variety of accessories such as finder scope/ guide scope/ guide box on curved object surfaces/ tube rings or dovetail plateAluminum alloy with oxidized surface1/4 screw hole Size: 44*35*20cm,weight: 40g Type K: Black bridge type finder scope base with concave bottomSuitable for installing a variety of accessories such as finder scope/ guide scope/ guide box on curved object surfaces/ tube rings or dovetail plateAluminum alloy with oxidized surface1/4 screw hole Size: 44*35*20cm,weight: 40g Type L: Silver bridge type finder scope base with concave bottomSuitable for installing a variety of accessories such as finder scope/ guide scope/ guide box on curved object surfaces/ tube rings or dovetail plateAluminum alloy with oxidized surface1/4 screw hole Size: 44*35*20cm,weight: 40g