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When two flat optical surfaces are in close proximity interference effects associated with residual Fresnel reflection can be seen, these are a special case of Newton’s Rings.  Anti-Newton glass sheets are lightly etched on one side to deform the surface enough to prevent this but with minimal effect on image quality. 

Anti-Newton material is often used in scanners and film enlargers for scanning photography negatives etc without seeing the interference rings (Newton`s rings). Quality anti-Newton glass is available to purchase directly from our website in the sizes listed below.

Knight Optical also offers an extensive custom optic service thanks to our many years of experience in the industry. We are able to supply anti-Newton glass cut to specific shapes and sizes to suit individual applications. For more information on anti-Newton glass and our custom optic service, contact our technical sales team.

Material:
Diameter:
Dimensions:
Thickness:
Clear Aperture:

Surface Quality:
Chamfer:

Anti-Newton Glass
+0/-0.25 mm
<100mm ± 0.3 mm ≥100mm ±0.5mm
± 0.25 mm
95%
80/50
Protective

Cutting down of stock components to smaller diameters and sizes.
Mounting options.
Larger sheets available for custom shapes and sizes.

47 Items

Name Diameter (mm) Length (mm) Width (mm) Thickness (mm) Material Price Buy
DGN2500 pdf 25 3 Anti-Newton Glass
US$22.63
DGN5000 pdf 50 3 Anti-Newton Glass
US$26.84
DGN5050 pdf 50 50 3 Anti-Newton Glass
US$23.48
DGN9363

pdf

93 63 3 Anti-Newton Glass
US$34.33
DGN100100 pdf 100 100 3 Anti-Newton Glass
US$46.18
DGN250100 pdf 250 100 3 Anti-Newton Glass
US$88.22
DGN305305 pdf 300 300 3 Anti-Newton Glass
US$184.94
DGN21075 210 75 3 Anti-Newton Glass
US$152.90
DGN250200 250 200 3 Anti-Newton Glass
US$229.35
DGN9155 91 55 3 Anti-Newton Glass
US$83.40
DGN4025 40 25 3 Anti-Newton Glass
US$55.60
DGN154124 154 124 3 Anti-Newton Glass
US$152.90
DGN280210 280 210 3 Anti-Newton Glass
US$173.75
DGN200200 200 200 3 Anti-Newton Glass
US$229.35
DGN25070 250 70 3 Anti-Newton Glass
US$152.90
DGN139110 139 113 3 Anti-Newton Glass
US$152.90
DGN8454 54 84 3 Anti-Newton Glass
US$55.60
DGN160100 100 160 3 Anti-Newton Glass
US$152.90
DGN533432 533.4 431.8 3 Anti-Newton Glass
US$535.15
DGN288264 288 264 3 Anti-Newton Glass
US$229.35
DGN301238 301 238 3 Anti-Newton Glass
US$229.35
DGN330290 330 290 3 Anti-Newton Glass
US$184.94
DGN381305 381 304.8 3 Anti-Newton Glass
US$305.80
DGN245184 245 184 3 Anti-Newton Glass
US$229.35
DGN14061 140 61 3 Anti-Newton Glass
US$104.25
DGN254254 254 254 3 Anti-Newton Glass
US$229.35
DGN25476 76 254 3 Anti-Newton Glass
US$152.90
DGN180130 130 180 3 Anti-Newton Glass
US$152.90
DGN140140 140 140 3 Anti-Newton Glass
US$152.90
DGN240160 240 160 3 Anti-Newton Glass
US$229.35
DGN2361 61 230 3 Anti-Newton Glass
US$152.90
DGN280215 215 280 3 Anti-Newton Glass
US$173.75
DGN231173 231 17.3 3 Anti-Newton Glass
US$104.25
DGN272173 272 17.3 3 Anti-Newton Glass
US$104.25
DGN300254 300 254 3 Anti-Newton Glass
US$229.35
DGN290210 210 290 3 Anti-Newton Glass
US$229.35
DGN304223 223 304 3 Anti-Newton Glass
US$229.35
DGN280200 220 280 3 Anti-Newton Glass
US$191.13
DGN575370 370 575 3 Anti-Newton Glass
US$535.15
DGN127101 101.6 127 3 Anti-Newton Glass
US$152.90
DGN20261 61.5 202 3 Anti-Newton Glass
US$152.90
DGN130120 120 150 3 Anti-Newton Glass
US$152.90
DGN250140 140 250 3 Anti-Newton Glass
US$229.35
DGN240170 170 240 3 Anti-Newton Glass
US$229.35
DGN268268 268 268 3 Anti-Newton Glass
US$229.35
DGN254203 203.2 254 3 Anti-Newton Glass
US$229.35
DGN300224 224 300 3 Anti-Newton Glass
US$229.35

47 Items

1

Anti-Newton Glass

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