Achieve perfect focus with this custom 3D printed Bahtinov mask (28mm) designed specifically for DWARF II. The mask is specially crafted to fit in the 1.25-inch filter adapter of your DWARF II telescope (must be purchased separately)

Designed to fit DWARF II
Mask diameter of 28mm to fit snugly in the 1.25-inch filter adapter
The Bahtinov mask consists of three separate grids strategically positioned to create three angled diffraction spikes at the focal plane, aligning with each bright image element
As you adjust the focus of your DWARF II, the central spike moves across the star from one side to the other, enabling precise focusing