Single Sided Optical Flats is used to check the flatness and suitability of quantitativeblocks and the flatness of measuring planes and working plane of instruments anomeasuring tools. lt can also be used to calibrate high precision plane optics, suchas plane optical parts, advanced platforms, flat plates, quidewavs, seals, etc. lt isespecially suitable for measuring institute and laboratories as standard planes andtemplates.
Diameter（mm）
|
Basic Parameter
|
Level 1
|
Level 2
|
Surface Flatness
(Within one
diameter)
|
Surface Flatness
(Within 2/3
diameter)
|
Surface Flatness
(Within one diameter)
|
Surface Flatness
(Within 2/3
diameter)
|
30
45
60
|
0.03
|
—-
|
0.1
|
0.05
|
80
100
150
|
0.05
|
0.05
|
200
250
300
|
0.08
0.1
0.15
|
0.05
0.05
0.09
|
0.12
0.15
0.2
|
0.06
0.08
0.1
|
