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PlaneWave’s Corrected Dall-Kirkham (CDK) telescope is based on a new optical design developed by Dave Rowe. The goal of the design is to make an affordable astrographic telescope with a large enough imaging plane to take advantage of the large format CCD/sCMOS cameras of today.
Jul 31, 2019 · Years earlier, while working for Celestron, Joe Haberman and Rick Hedrick had wanted to build a large telescope. Another employee, David Rowe, had an idea for a design he called a corrected...
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- The CDK Optical Design
- Optical Performance
- Comparison: CDK vs. Ritchey Chrétien
- Optical Testing and Manufacturing
The CDK [Corrected Dall-Kirkham] telescope is based on a new optical design developed by Dave Rowe. The goal of the design is to make an affordable astrographic telescope with a large enough imaging plane to take advantage of the large format CCD cameras of today. Most telescope images degrade as you move off-axis from either coma, off-axis astigma...
Shown are two simulations showing the CDK’s stunning performance.The first is a diffraction simulation and the second is a spot diagram. In both simulations, the small squares are 9×9 microns, about the size of a CCD pixel. In the diffraction simulation, the star images on axis and off-axis are nearly identical. In the spot diagram 21mm off-axis th...
The simulations shown compares the optical performance of the CDK design to the Ritchey Chrétien (RC) design.The Ritchey design was popularized as an astroimaging telescope due to its use in many professional observatories. Although very difficult and expensive to manufacture and align, the Ritchey is successful in eliminating many of the problems ...
At PlaneWave Instruments, we take pride in the excellent optical quality of our telescopes. Each optical component of our systems goes through an extensive process of figuring, testing and inspection to guarantee excellent performance from every telescope we produce. PlaneWave Instruments technicians use a custom optical metrology measurement syste...
The CDK [Corrected Dall-Kirkham] telescope is based on a new optical design developed by Dave Rowe. The goal of the design is to make an affordable astrographic telescope with a large enough imaging plane to take advantage of the large format CCD cameras of today.
The CDK700 is a complete observatory class telescope and direct-drive alt-azimuth mounting system, designed and engineered by PlaneWave. With a 70 mm image circle, the CDK700 is designed to excel at imaging on large format CCD cameras.
Oct 18, 2021 · With the simplicity of single-mirror collimation, the stray light control of advanced baffles, the structural performance created through finite element analysis (FEA), and decades of telescope design experience, the DeltaRho 350 is an exceptional diffraction-limited telescope.
Developed by PlaneWave, the CDK (Corrected Dall-Kirkham) is a revoluti-onary telescope, its optical system was designed to excel at imaging on large format CCD cameras while remaining an excellent instrument for visual use.
