With click-stops at 2, 2.5, 3, 3.5 & 4mm, this is the ultimate tool for tweaking out the last bit of power that the atmosphere will permit.
The 2-4mm NaglerTM Zoom is recommended for fast, high performance scopes of 800mm focal length or shorter, such as the NEW Tele Vue-60.
Just like its award winning 3-6mm NaglerTM Zoom brother, this Zoom has: