PlaneWave CDK24 Telescope
Starting Price: $73,000.00
Price as Configured: $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.

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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 |