Aperture diameter: 70mm (2.4")
Focus distance: 300mm.f/4
Oblique lens: 90 degrees
Theodolite and aluminum tripod: max. height: 38cm, eyepiece: H6mm, H20mm, 3X teleconverter and 1.5X erector
Installation method: Set up tripod first, and then install lens cone; After fixing the lens cone, fix finderscope on it and then mount eyepiece.