PlaneWave - Infrared Dall-Kirkham Optical Tube Assembly 20"

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This is a Dall-Kirkham optical design with coatings that are optimized to transmit in infrared wavelengths.  It is diffraction limited across a 20mm image circle at the focal plane.

SKU: IR DK20
Manufactured by:
PlaneWave Instruments
 

Product Description

PlaneWave Infrared Dall-Kirkham Optical Tube Assembly 20"


This is a Dall-Kirkham optical design with coatings that are optimized to transmit in infrared wavelengths.  It is diffraction limited across a 20mm image circle at the focal plane.  There are no refractive lens, only reflective components to the design.  The reflectives coatings are a protected gold which give better than 98% reflectivity from .65 micron (650nm) to 5 micron (5000nm).  This design is ideal for infrared astronomy or LIDAR applications.

 

 

 

 

 

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Specifications

Name PlaneWave - Infrared Dall-Kirkham Optical Tube Assembly 20"
Manufacturer PlaneWave Instruments
Model IR DK20
Custom Stock Status This item typically has a delivery time of 8-12 weeks. Place your order today to reserve.
Aperture 20" (.51m)
Backfocus Distance 8.9" from focuser mounting surface, 5.81" from racked in focuser
Focal Length 3454 mm
Focal Ratio f/7
Optical Coatings Protected Gold Reflective Coating - 98% (.65-16micron)
Optical Tube Length 47"

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