The instrument
knows the true
measurement.

Vernier is the calibration console for the Hartmann optics line — every reading dimensioned, every part filed, and one mark lit when something leaves tolerance.

a.00 drawn to DIN 406 ±0.005 mm
a.02

Dimensioned, not decorated.

Three working principles, each a measure rather than a flourish. The grid is declared, not hidden — the way a draughtsman dimensions a part before it is made.

3 modules gutter 24px
01 / dimension line

Everything carries its measure

A thin rule with end-caps and a mono callout brackets each span, so a screen reads like a specification sheet — its sizes stated, not implied.

02 / part register

Filed under a code

Sections are indexed like a parts catalogue — a.01, a.02 — replacing decorative headers with an honest index.

03 / signal mark

One thing goes yellow

Exactly one element is ever lit — the live reading, the focused control, the value out of spec. Importance is registered to a slot, never flooded across a surface.

a.03

Calibrated this morning.

Live figures off the Hartmann bench, each dimensioned to its tolerance. The fill shows how far the measure sits inside the allowed band.

0.042mm
lens jig — runout
118°c
coater — plate temp
9.14mm
mirror seat — over
out of tolerance p.120+0.140 mm

Stop estimating.
Measure the part.

a.05 — end of sheetrev. 4