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Complete Ac385-39 Hard Coated Acrylic Protective Window Longpass Filter M39x0.5 Series [d5B4IiDf]

$18.99 $60.99 -69%

AC385-39 Hard Coated Acrylic Protective Window Longpass FilterIntroducing the MidOpt AC385-39 Hard Coated Acrylic Protective Window Longpass Filter, a high-quality optical solution designed for precision applications. This filter stands out for its r

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AC385-39 Hard Coated Acrylic Protective Window Longpass Filter

Introducing the MidOpt AC385-39 Hard Coated Acrylic Protective Window Longpass Filter, a high-quality optical solution designed for precision applications. This filter stands out for its robust construction and exceptional performance, offering a cost-effective alternative to traditional antireflection-coated extruded acrylic windows. With its hard-coated, clear optical grade, cell-cast acrylic window material, the AC385-39 provides durability and clarity, making it an ideal choice for a wide range of scientific and industrial applications.

MidOpt AC385-39 Technical Specifications

The AC385-39 filter is engineered with precision, featuring a useful range of 390nm to 1100nm, ensuring optimal performance across a broad spectrum of wavelengths. With a tolerance of +/- 5nm and a peak transmission of ≥91%, this filter delivers exceptional light transmission and stability. Key specifications include a filter size of 39mm with a M39x0.5 thread, and an outer diameter of 42.5mm. The clear aperture measures 35.5mm, providing ample space for light to pass through. The overall thickness is 7mm, with an exposed thickness of 5.2mm, making it suitable for a variety of mounting options. This filter also boasts a high-quality surface finish, with a surface quality rating of 80/50.

Practical Uses and Benefits

The MidOpt AC385-39 Hard Coated Acrylic Protective Window Longpass Filter is a versatile tool for various applications, including scientific research, spectroscopy, and optical systems. Its hard-coated acrylic material not only offers excellent durability but also minimizes surface reflections, ensuring accurate and consistent readings. The AC385-39 is an excellent choice for users who require a reliable and cost-effective filter for their optical instruments. Whether you are a researcher, engineer, or hobbyist, this filter is designed to meet your needs, providing a clear, stable, and long-lasting solution for your optical applications.

What Our Customers Say

January 4, 2026

Absolutely no complaints!

This has streamlined my tasks beautifully.

- Hazel P..

January 4, 2026

Absolutely no complaints!

A great piece of equipment. I am happy.

- Jade A..

January 4, 2026

Absolutely no complaints!

This has made a very real improvement.

- Aurora M..

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