AmScope - Focusing Block with Coarse and Fine Focus, 76mm Collar, 32mm Tube Mount for Stereo and Other Microscopes (76mm Mount) - FR-A6

High-precision focusing block for SM, SW and ZM series stereo microscopes and other microscopes which use 76mm mount. Accepts 50mm single-lens microscopes with an optional adapter. Unlike other focusing blocks, this model provides both coarse and fine focusing using coaxial control knobs. Mounts to 32mm pillars including table stands and boom-arm stands. 0