www.precision-metal-optics.com
Specifications for 1.5 inch Diameter SS Mirrors From Stock
Polished, flat stainless steel mirrors 1.5 inch in diameter with less than 10 Angstrom surface finish are now available from stock.
| 1.5 Inch / 38,1mm Mirror Mechanical Dimensions |
|
mm |
Inches |
Tolerance |
| Diameter |
38,1 |
1.500 |
± 0,125mm/± .005″ |
| Thickness |
6,35 |
0.250 |
±0,125mm/± .005″ |
| Edge Treatment |
0,5 |
0.020 |
|
| Wedge, max. |
0,050 |
0.002 |
|
| Bolt Circle |
19,05 |
0.750 |
|
| Depth of Hole |
3,81 |
0.150 |
|
| Center Dowel |
3,175 |
0.125 |
|
| Threads |
|
#6-32 |
|
VDC Surface Finish Designations:
| VDC – 1 |
As machined/manufactured – depending on thickness |
| VDC – 2 |
Lapped surface with loose abrasive – dull, uniform finish |
| VDC – 3 |
Diamond fine lapped – shiny but slightly scratched look |
| VDC – 4 |
Standard buffed surface |
| VDC – 5 |
Fine buffed surface |
| VDC – 6 |
Polished surface |
| VDC – 7 |
Fine polished surface (80/60 scratch/dig) |
| VDC – 8 |
Optically polished surface (60/40 scratch/dig) |
| VDC – 9 |
Fine optical polished surface (40/20 scratch/dig) |
| VDC – 10 |
Best optically polished surface (20/10 scratch/dig) – 20 Angstrom Ra range |
1.5″ / 38.1mm Mirror Surface Finish Specifications:
s/d = scratch/dig
A = Angstroms
| Surface Quality: |
10/5 s/d, <5A |
|
10/5 s/d, <10A |
|
20/10 s/d, <10A |
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