Magnification:
Typically 10× and 16× (sometimes 6× and 10× in very basic models).
“2-step” means there are two fixed magnification levels.
Illumination:
Bright, adjustable LED or halogen light.
Slit width: 0–14 mm (varies by manufacturer).
Slit height: 1–14 mm adjustable.
Rotation: 0°–180° for slit beam orientation.
Filters: Red-free, cobalt blue, neutral density, depending on model.
Optics:
High-quality binocular microscope.
Interpupillary distance adjustment: 50–75 mm.