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Description
MidOpt AC401-39 AR Coated Single Side Oleophobic Acrylic Protective Window UV Block Visible Longpass Filter
AC401 filters have the exact specifications as AC400 filters but with only one side coated.AC400 is a 3mm 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.
MidOpt AC401-39 Technical Specifications:
Product Line / Series | AC - Acrylic Longpass |
Filter Model | AC401 |
Filter Type | AR Coated Single Side Oleophobic Acrylic Protective Window UV Block Visible Longpass |
StablEDGE | Yes |
Useful Range | 415nm - 1100nm |
Tolerance | +/- 10nm |
Peak Transmission | ≥98% |
Surface Quality | 80/50 |
Filter Size | 39mm |
Filter Thread | M39x0.5 |
Outer Diameter | 42.5mm |
Clear Aperture | 35.5mm |
Overall Thickness | 7mm |
Exposed Thickness | 5.2mm |
FWHM | Not Specified |
Average Transmission | Not Specified |
Brand | Midwest Optical Systems |
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