Optical Parallels Set 157-904
25-50mm

Flatness:

0,1 µm

Contents:

157‑105

157‑106

157‑107

157‑108

Range of micrometer to be checked:

25-50 mm

Sizes of parallels included in set:

25 mm

25,12 mm

25,25 mm

25,37 mm

Inch-Metric:

Metric

Flatness:

0,1 µm

Parallelism:

0.2 µm

Diameter:

30 mm

Parallelism:

0,2 µm