PlaneWave CDK24 Telescope

Starting Price: $73,000.00
Price as Configured: $73,000.00
Brand: PlaneWave Instruments / SKU: PW-240104Q
The CDK24 from PlaneWave Instruments embodies a blend of precision engineering and innovation, tailored for the dedicated astrophotographer and the discerning astronomer. With its advanced technology and meticulous design, the CDK24 delivers high-quality images for various advanced observational and scientific applications.

Its remarkable specifications and features distinguish the CDK24:

  • 24-inch (610 mm) aperture
  • 3974 mm focal length
  • f/6.5 focal ratio
  • 364.46 mm (14.349″) back focus from mounting surface
  • Perfectly flat field across the entire 70mm image circle
  • No off-axis coma or astigmatism
  • Rock-solid fused silica mirrors with low thermal expansion
  • Lightweight and rigid carbon fiber optical tube assembly
NOTE: Shipping cost will be determined after the order is made and must be paid for before the telescope will ship. A shipping quote can be obtained on request.
Packaging (Required)
Recommended Add-ons and Accessories
Product Price Quantity
PW-240355 - PlaneWave Solid Aluminum Shroud CDK24 (Factory Installation Required)
PW-240355 - PlaneWave Solid Aluminum Shroud CDK24 (Factory Installation Required)
About This Product
Enhance the protection of your telescope’s primary mirror with our Solid Aluminum Shrouds.

Specifically designed for OTAs like the CDK14, CDK17, CDK20, and CDK24, these ruggedized shrouds offer debris and light mitigation ensuring optimal optical performance.
$1,323.00 each
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Recommended Add-ons and Accessories

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PW-240355 - PlaneWave Solid Aluminum Shroud CDK24 (Factory Installation Required)
PW-240355 - PlaneWave Solid Aluminum Shroud CDK24 (Factory Installation Required)
$1,323.00
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PW-240355 - PlaneWave Solid Aluminum Shroud CDK24 (Factory Installation Required)
About This Product
Enhance the protection of your telescope’s primary mirror with our Solid Aluminum Shrouds.

Specifically designed for OTAs like the CDK14, CDK17, CDK20, and CDK24, these ruggedized shrouds offer debris and light mitigation ensuring optimal optical performance.
PW-2402101 - PlaneWave Sliding Counterweight System Rail & Brackets for CDK24
PW-2402101 - PlaneWave Sliding Counterweight System Rail & Brackets for CDK24
$690.00
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PW-2402101 - PlaneWave Sliding Counterweight System Rail & Brackets for CDK24
About This Product
Requires sliding weight system counterweights, not included.
PW-240343-2 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=4.109")
PW-240343-2 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=4.109")
$460.00
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PW-240343-2 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=4.109")
About This Product
This spacer goes between the telescope and the focuser.
(SETS CDK24 BACK-FOCUS EQUAL TO THE CDK17 [10.24-INCHES]) L=4.109″

PW-240343-3 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=3.259")
PW-240343-3 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=3.259")
$460.00
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PW-240343-3 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=3.259")
About This Product
This spacer goes between the telescope and the focuser.
(SETS CDK24 BACK-FOCUS EQUAL TO THE CDK14 [11.09-INCHES]) L=3.259″

PW-600166 - PlaneWave Reducer, Lens .66x for IRF90 & CDK20/24
PW-600166 - PlaneWave Reducer, Lens .66x for IRF90 & CDK20/24
$1,600.00
PW-200166 - PlaneWave Reducer 0.66X CDK20/24
PW-200166 - PlaneWave Reducer 0.66X CDK20/24
$1,600.00
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PW-200166 - PlaneWave Reducer 0.66X CDK20/24
About This Product

This is a reducer designed specifically for flat field telescopes like the CDK. This reduces the f ratio of the CDK telescope 66%. The f/6.8  CDK20 telescopes will be reduced to about f/4.5.

**NOTE – 200166 adapter is also compatible with CDK17 that have 8.81″ back focus.   CDK17 with 10.24″ back focus will use the 125166 focal reducer. See instruction manual for details.

PW-200915 - PlaneWave Ronchi Eyepiece and Adapter Kit for CDK20/CDK24
PW-200915 - PlaneWave Ronchi Eyepiece and Adapter Kit for CDK20/CDK24
$460.00
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PW-200915 - PlaneWave Ronchi Eyepiece and Adapter Kit for CDK20/CDK24
About This Product
The Ronchi Eyepiece and Adapter Kit is available for CDK 12.5, CDK 14, CDK 17, CDK 20, and CDK 24. This adapter kit includes 3 pieces: an adapter for the Hedrick Focuser, a Ronchi Eyepiece, and a Ronchi Eyepiece Spacer.
PW-240970 - PlaneWave CDK24 Fabric Light Shroud
PW-240970 - PlaneWave CDK24 Fabric Light Shroud
$265.00
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PW-240970 - PlaneWave CDK24 Fabric Light Shroud
About This Product
This is a spandex fabric light shroud that blocks out stray light and minimizes dust on the primary mirror.
PW-240343-1 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=5.539")
PW-240343-1 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=5.539")
$460.00
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PW-240343-1 - PlaneWave Spacer, CDK24 to IRF90 or Hedrick Focuser (L=5.539")
About This Product
This spacer goes between the telescope and the focuser.
(NORMALLY INCLUDED WITH CDK24, SETS CDK24 BACK-FOCUS EQUAL TO THE CDK20 [8.81-INCHES]) L=5.539″
QTY:  
Price as Configured: $73,000.00

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Optical System

Aperture 24 inch (610 mm)
Focal Length 3974 mm (156.46 inch)
Focal ratio F/6.5
Central Obstruction 47% of the primary mirror diameter
Back Focus from Mounting Surface 14.349 inch (358 mm)
Back Focus from Racked in Focuser 5.81 inch (148 mm)
Weight 240 lbs (108.9 kg)
OTA Length 56 inch (1,422 mm)
Upper Cage Carbon fiber truss
Lower Cage Carbon fiber truss with aluminum light shroud
OTA Width 31 inch (787 mm)
OTA Height 35 inch (889 mm)
Optimal Field of View 70 mm image circle

Secondary Mirror

Diameter 11 inch (280 mm)
Material Fused silica (quartz)
Shape Spherical
Coating Enhanced aluminum – 96%

Primary Mirror

Optical Diameter 24 inch (610 mm)
Outer Diameter 24.5 inch (622 mm)
Shape Prolate Ellipsoid
Material Fused silica (quartz)
Coating Enhanced aluminum – 96%

Lens Group

Diameter 135 mm (5.31 inch)
Number of lenses 2
Coating Broadband AR Coatings (less than .5% reflected from 400 to 700nm)

Shipping

Crated Shipping Weight 500 lbs (226.8 kg)
Crate Width 40 inch (1,016 mm)
Crate Height 48 inch (1,219 mm)
Crate Length 78 inch (1,981 mm)

Includes Accessories

CDK24 Focus Spacer (240343) This 5.3″ long spacer is installed between the backplate and the focuser to take up some of the CDK24’s extra backfocus and reduce the torque placed on the focuser mechanism. This spacer is sized such that the backfocus distance behind the focuser is 8.8″.
Primary Mirror Cover To protect the primary mirror
PlaneWave Thumb Drive Contains software and instructions for collimation and spacing the primary to secondary mirror
12VDC Power Supply Provides power for the fans