Precision Round Windows
• Manufactured from high quality UV FS and BK7 • Precision polished on both surfaces and held parallel up to 3 arcsec Precision rectangular windows are designed to be used in precision optical systems. Windows have… Read more →
Volume discount
- 5–9 units −5%
- 10+ units −10%
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119
catalog variants — refine the spec to narrow it down.
| SKU | Diameter · Thickness T · Group · Parallelism · Material · Flatness | |
|---|---|---|
| 220-0101E | 12.7 mm·3 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
282 in stock
Ships in: 2–5 calendar days
$33
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| 220-0101M | 12.5 mm·3 mm·30 arcsec·BK7·λ/10 |
Out of stock
—
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| 220-0103E | 12.7 mm·3 mm·3 arcsec·BK7·λ/10 |
3 in stock
—
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| 220-0103M | 12.5 mm·3 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0106E | 12.7 mm·3 mm·BK7, 1 arcmin·1 arcmin·BK7·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$22
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| 220-0106M | 12.5 mm·3 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0161E | 12.7 mm·6 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
79 in stock
Ships in: 2–5 calendar days
$29
|
| 220-0161M | 12.5 mm·6 mm·30 arcsec·BK7·λ/10 |
Out of stock
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| 220-0163E | 12.7 mm·6 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0163M | 12.5 mm·6 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0166E | 12.7 mm·6 mm·BK7, 1 arcmin·1 arcmin·BK7·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$20
|
| 220-0166M | 12.5 mm·6 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0191 | 20.0 mm·3 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
134 in stock
Ships in: 2–5 calendar days
$41
|
| 220-0193E | 12.7 mm·10 mm·3 arcsec·BK7·λ/10 |
17 in stock
—
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| 220-0193M | 12.5 mm·10 mm·3 arcsec·BK7·λ/10 |
1 in stock
—
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| 220-0201E | 25.4 mm·6 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
863 in stock
Ships in: 2–5 calendar days
$45
|
| 220-0201M | 25.0 mm·6 mm·30 arcsec·BK7·λ/10 |
Out of stock
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| 220-0203E | 25.4 mm·6 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0203M | 25.0 mm·6 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0206E | 25.4 mm·6 mm·BK7, 1 arcmin·1 arcmin·BK7·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$26
|
| 220-0211 | 20.0 mm·5 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
9 in stock
Ships in: 2–5 calendar days
$36
|
| 220-0231E | 25.4 mm·3 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
124 in stock
Ships in: 2–5 calendar days
$51
|
| 220-0231M | 25.0 mm·3 mm·30 arcsec·BK7·λ/10 |
35 in stock
—
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| 220-0236E | 25.4 mm·3 mm·BK7, 1 arcmin·1 arcmin·BK7·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$27
|
| 220-0236M | 25.0 mm·3 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0293E | 25.4 mm·10 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0293M | 25.0 mm·10 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0402E | 38.1 mm·8 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
75 in stock
Ships in: 2–5 calendar days
$59
|
| 220-0402M | 40.0 mm·8 mm·30 arcsec·BK7·λ/10 |
16 in stock
—
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| 220-0403E | 38.1 mm·10 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0403M | 40.0 mm·10 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0406E | 38.1 mm·8 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0406M | 40.0 mm·8 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0462E | 38.1 mm·6 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
31 in stock
Ships in: 2–5 calendar days
$65
|
| 220-0462M | 40.0 mm·6 mm·30 arcsec·BK7·λ/10 |
Out of stock
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| 220-0466E | 38.1 mm·6 mm·BK7, 1 arcmin·1 arcmin·BK7·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$44
|
| 220-0466M | 40.0 mm·6 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0502E | 50.8 mm·10 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
64 in stock
Ships in: 2–5 calendar days
$75
|
| 220-0502M | 50.0 mm·10 mm·30 arcsec·BK7·λ/10 |
Out of stock
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| 220-0503E | 50.8 mm·12 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0503M | 50.0 mm·12 mm·3 arcsec·BK7·λ/10 |
Out of stock
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| 220-0562E | 50.8 mm·6 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
Out of stock
Ships in: 62–65 calendar days
$90
|
| 220-0562M | 50.0 mm·6 mm·30 arcsec·BK7·λ/10 |
Out of stock
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| 220-0566E | 50.8 mm·6 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0566M | 50.0 mm·6 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0582E | 50.8 mm·8 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
736 in stock
Ships in: 2–5 calendar days
$82
|
| 220-0582M | 50.0 mm·8 mm·30 arcsec·BK7·λ/10 |
Out of stock
—
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| 220-0586E | 50.8 mm·8 mm·BK7, 1 arcmin·1 arcmin·BK7·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$60
|
| 220-0586M | 50.0 mm·8 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0722E | 76.2 mm·12.7 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
26 in stock
Ships in: 2–5 calendar days
$191
|
| 220-0722M | 75.0 mm·12.7 mm·30 arcsec·BK7·λ/10 |
Out of stock
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| 220-0726E | 76.2 mm·12.7 mm·BK7, 1 arcmin·1 arcmin·BK7·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$156
|
| 220-0726M | 75.0 mm·12.7 mm·1 arcmin·BK7·λ/4 |
Out of stock
—
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| 220-0752E | 76.2 mm·15 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
9 in stock
Ships in: 2–5 calendar days
$174
|
| 220-0752M | 75.0 mm·15 mm·30 arcsec·BK7·λ/10 |
Out of stock
—
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| 220-0786E | 76.2 mm·8 mm·BK7, 1 arcmin·1 arcmin·BK7·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$168
|
| 220-0786M | 75.0 mm·8 mm·1 arcmin·BK7·λ/4 |
Out of stock
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| 220-0852E | 101.6 mm·15 mm·BK7, 30 arcsec·30 arcsec·BK7·λ/10 |
28 in stock
Ships in: 2–5 calendar days
$277
|
| 220-0852M | 100.0 mm·15 mm·30 arcsec·BK7·λ/10 |
Out of stock
—
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| 220-1101E | 12.7 mm·3 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
555 in stock
Ships in: 2–5 calendar days
$50
|
| 220-1101M | 12.5 mm·3 mm·30 arcsec·UV FS·λ/10 |
3 in stock
—
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| 220-1103E | 12.7 mm·3 mm·UVFS, 3 arcsec·3 arcsec·UV FS·λ/10 |
Out of stock
Ships in: 62–65 calendar days
$72
|
| 220-1103M | 12.5 mm·3 mm·3 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1106E | 12.7 mm·3 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$40
|
| 220-1106M | 12.5 mm·3 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1161E | 12.7 mm·6 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
231 in stock
Ships in: 2–5 calendar days
$47
|
| 220-1161M | 12.5 mm·6 mm·30 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1163E | 12.7 mm·6 mm·UVFS, 3 arcsec·3 arcsec·UV FS·λ/10 |
Out of stock
Ships in: 62–65 calendar days
$65
|
| 220-1163M | 12.5 mm·6 mm·3 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1166E | 12.7 mm·6 mm·1 arcmin·UV FS·λ/4 |
Out of stock
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| 220-1166M | 12.5 mm·6 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1191 | 20.0 mm·3 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
1083 in stock
Ships in: 2–5 calendar days
$52
|
| 220-1193E | 12.7 mm·10 mm·UVFS, 3 arcsec·3 arcsec·UV FS·λ/10 |
Out of stock
Ships in: 62–65 calendar days
$58
|
| 220-1193M | 12.5 mm·10 mm·3 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1201E | 25.4 mm·6 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
438 in stock
Ships in: 2–5 calendar days
$57
|
| 220-1201M | 25.0 mm·6 mm·30 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1203E | 25.4 mm·6 mm·UVFS, 3 arcsec·3 arcsec·UV FS·λ/10 |
7 in stock
Ships in: 2–5 calendar days
$109
|
| 220-1203M | 25.0 mm·6 mm·3 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1206E | 25.4 mm·6 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$41
|
| 220-1206M | 25.0 mm·6 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1211 | 20.0 mm·5 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
276 in stock
Ships in: 2–5 calendar days
$50
|
| 220-1231E | 25.4 mm·3 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
3 in stock
Ships in: 2–5 calendar days
$66
|
| 220-1231M | 25.0 mm·3 mm·30 arcsec·UV FS·λ/10 |
13 in stock
—
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| 220-1236E | 25.4 mm·3 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$47
|
| 220-1236M | 25.0 mm·3 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1293E | 25.4 mm·10 mm·UVFS, 3 arcsec·3 arcsec·UV FS·λ/10 |
14 in stock
Ships in: 2–5 calendar days
$97
|
| 220-1293M | 25.0 mm·10 mm·3 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1402E | 38.1 mm·8 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
24 in stock
Ships in: 2–5 calendar days
$104
|
| 220-1402M | 40.0 mm·8 mm·30 arcsec·UV FS·λ/10 |
1 in stock
—
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| 220-1403E | 38.1 mm·10 mm·UVFS, 3 arcsec·3 arcsec·UV FS·λ/10 |
Out of stock
Ships in: 62–65 calendar days
$161
|
| 220-1403M | 40.0 mm·10 mm·3 arcsec·UV FS·λ/10 |
1 in stock
—
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| 220-1406E | 38.1 mm·8 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$99
|
| 220-1406M | 40.0 mm·8 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1462E | 38.1 mm·6 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
73 in stock
Ships in: 2–5 calendar days
$93
|
| 220-1462M | 40.0 mm·6 mm·30 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1466E | 38.1 mm·6 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$87
|
| 220-1466M | 40.0 mm·6 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1502E | 50.8 mm·10 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
Out of stock
Ships in: 62–65 calendar days
$168
|
| 220-1502M | 50.0 mm·10 mm·30 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1503E | 50.8 mm·12 mm·UVFS, 3 arcsec·3 arcsec·UV FS·λ/10 |
2 in stock
Ships in: 2–5 calendar days
$214
|
| 220-1503M | 50.0 mm·12 mm·3 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1562E | 50.8 mm·6 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
6 in stock
Ships in: 2–5 calendar days
$145
|
| 220-1562M | 50.0 mm·6 mm·30 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1566E | 50.8 mm·6 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$139
|
| 220-1566M | 50.0 mm·6 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1582E | 50.8 mm·8 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
382 in stock
Ships in: 2–5 calendar days
$139
|
| 220-1582M | 50.0 mm·8 mm·30 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1586E | 50.8 mm·8 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$133
|
| 220-1586M | 50.0 mm·8 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1722E | 76.2 mm·12.7 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
27 in stock
Ships in: 2–5 calendar days
$335
|
| 220-1722M | 75.0 mm·12.7 mm·30 arcsec·UV FS·λ/10 |
Out of stock
—
|
| 220-1726E | 76.2 mm·12.7 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$312
|
| 220-1726M | 75.0 mm·12.7 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
|
| 220-1752E | 76.2 mm·15 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
17 in stock
Ships in: 2–5 calendar days
$358
|
| 220-1752M | 75.0 mm·15 mm·30 arcsec·UV FS·λ/10 |
Out of stock
—
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| 220-1786E | 76.2 mm·8 mm·UVFS, 1 arcmin·1 arcmin·UV FS·λ/4 |
Out of stock
Ships in: 62–65 calendar days
$289
|
| 220-1786M | 75.0 mm·8 mm·1 arcmin·UV FS·λ/4 |
Out of stock
—
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| 220-1852E | 101.6 mm·15 mm·UVFS, 30 arcsec·30 arcsec·UV FS·λ/10 |
92 in stock
Ships in: 2–5 calendar days
$520
|
| 220-1852M | 100.0 mm·15 mm·30 arcsec·UV FS·λ/10 |
Out of stock
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|
We can make this for you
No catalog variant matches your exact spec. Add it to your cart as a quote request — sales will confirm price and lead time within 1 business day.
Specifications
| Material | BK7, UV FS |
| Surface quality | 20-10 scratch & dig (MIL-PRF-13830B) |
| Clear aperture | >90% of the diameter |
| Diameter tolerance | +0.00, -0.12 mm |
| Thickness tolerance | ±0.2 mm |
| Surface flatness | λ / 10 or λ / 4 @633 nm |
| Parallelism | <30 arcsec; or <3 arcsec; or <1arcmin |
Description
- Manufactured from high quality UV FS and BK7
- Precision polished on both surfaces and held parallel up to 3 arcsec
Precision rectangular windows are designed to be used in precision optical systems. Windows have high optical transmission with little distortion of the transmitted signal. We also offer anti-reflection coated precision windows for Nd:YAG laser applications.
If you would like to order a window with a coating of your choice, please note the code of the window and the code of the coating in your request. For required coating please refer to the COATINGS section.