AC370 A/R Acrylic Protective Window

Midwest Optical - AC370 View Larger Image (in new window)

Midwest Optical : AC370

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The Midwest Optical AC370 is a 1mm thick abrasion, scratch, breakage and solvent resistant acrylic protective window made to withstand harsh environments. It is half the weight of comparable glass windows and additionally features external oleophobic coatings that curb fingerprint smudging. The vacuum-sputtered coatings on both surfaces are 50 times more scratch resistant than untreated acrylic, far more durable than standard “dip” coatings, and are impervious to all types of solvents, fuels and other chemicals, including acetone, methylene chloride and MEK.

This material blocks almost all UV light while averaging greater than 98% transmission over the 450-700nm visible spectrum. This protection acrylic window is a highly effective yet economical solution for covering screens, camera enclosures and on-axis lighting modules. It is often recommended for FDA/EFSA applications where thickness is a concern and the use of glass is not permitted.

AC370 is available from stock in larger sheets with protective tape on both surfaces. Custom sizes and shapes are quickly laser cut in house.

  • Abrasion, breakage and solvent resistant
  • Durable, economical, and  laser-able
  • Optical-grade and anti-reflection coated
  • Oleophobic coating available
  • Useful Range : 380-850nm
  • Cut-on Wavelength 50% T : 370nm
  • Tolerance : +/- 10nm
  • Peak Transmission : ≥98%
  • Surface Quality : 80/50
Model Mount
AC370-25.4 25.4 C-Mount
AC370-13.25 M13.25
AC370-22.5 M22.5
AC370-25.5 M25.5
AC370-27 M27
AC370-30.5 M30.5
AC370-34 M34
AC370-35.5 M35.5
AC370-37 M37
AC370-37.5 M37.5
AC370-39 M39
AC370-40.5 M40.5
AC370-43 M43
AC370-46 M46
AC370-48 M48
AC370-49 M49
AC370-52 M52
AC370-55 M55
AC370-58 M58
AC370-62 M62
AC370-67 M67
AC370-72 M72
AC370-77 M77
AC370-82 M82
AC370-86 M86
AC370-95 M95
AC370-105 M105


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Prices and specifications subject to change without notice.