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Blue Reflective Dichroic Filter, 25mm diameter
475FD68-25
$52.00
Qty To Buy:
Filter TypeBlue Dichroic Reflective
Transmission>85% avg. from 525 to 800nm
Reflection
Nominal 50% point(s)- 475nm cut-on (nominal) - T(avg) < 10% from 380 to 450nm - T(avg) > 85% from 525 to 800nm
Size25.0 +0/-0.25mm
Thickness1.0 +0.25/-0.25 mm
Angle of Incidence45.0°
Operating Temp. (°C.)+200 max.
Scratch-Dig80/50
Clear Aperture95% of OD
Flatness3 -5 per inch
Parallelism3 arc minutes or better
CSV File (typical)475FD68.csv
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Estimated Delivery: 2-3 Days
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OPTICAL COATING CAPABILITIES
What is an Optical Filter Coating?
An optical thin film coating is one or more thin layers of material deposited on a substrate material suitable for a particular application, which alters the way in which light…

At Andover Corporation, we specialize in advanced anti-reflective (AR) coating services designed to enhance the performance of optical systems across various industries. Our AR coatings reduce reflections and increase light transmission, ensuring optimal clarity and…

 
Coating Capabilities  
Engineering Solutions  
Polishing  
Optical Assemblies
 
Quality Testing
Fabrication

 
CAPABILITIES
Andover Corporation is a vertically…
ENGINEERING CAPABILITIES
One of the biggest advantages of working with Andover Corporation is that we have a staff of in-house engineers, which includes optical coating, manufacturing, and mechanical. We have the ability to design unique optical solutions for your project and have over 40 years of…