A Stage Micrometer is simply a microscope slide with a

finely divided scale marked on the surface. The scale is

of a known true length and is used for the calibration of

optical systems with eyepiece graticule patterns. This is

particularly important when altering between objectives

on one microscope or when using the same graticule in

different microscopes.

Stage Micrometers

Stage Micrometer

Stage Micrometers for Microscopy.

S1 10 mm divided to 0.1 mm.

S2 5 mm divided to 0.05 mm.

S4 0.1 inches divided to 0.0001 inches.

S8 1 mm divided to 0.01 mm.

S11 0.005 inches divided to 0.0001 inches.

S12 0.1 mm divided to 0.002 mm.

S202 mm divided to 0.01 mm and 0.1 inches divided to 0.0005 inches.

S21 5 mm divided to 0.5, 0.1 and 0.01 mm.

S22 2 mm divided to 0.1 mm.

S48 1 mm divided to 0.01 mm. No coverglass.

S78 1 mm divided to 0.01 mm. For reflection.

CONCENTRIC CIRCLE PATTERN (Taylor Hobson)

CALIBRATION CHART (Mitutoyo)