PlaneWave CDK24 F/6.5 OTA

PlaneWave CDK24 – 24-Inch Corrected Dall-Kirkham Telescope System

The CDK24 from PlaneWave Instruments is a professional-grade optical system designed for observatories, research institutions, and serious astrophotographers. Combining a large aperture with a wide, flat field and coma-free imaging, the CDK24 excels in capturing deep-sky objects with stunning clarity. Its fused silica mirrors and carbon fiber optical tube assembly ensure stability and performance even under challenging thermal conditions.

Whether for survey work, photometry, or high-resolution imaging with large-format sensors, the CDK24 offers unmatched value and reliability in its class.

Key Specifications

- Optical Design: Corrected Dall-Kirkham (CDK)
- Clear Aperture: 610mm (24 in)
- Focal Ratio: f/6.5
- Focal Length: 3974mm
- Back Focus: 364.46mm (14.349″) from mounting surface
- Image Circle: 70mm – perfectly flat field with no curvature
- Optical Quality: No off-axis coma or astigmatism
- Mirror Material: Fused silica – low thermal expansion for excellent thermal stability
- OTA Material: Carbon fiber – rigid and lightweight for precise imaging
- Mount Compatibility: Optimized for PlaneWave L-Series direct-drive mounts (L-600 and L-500)

Performance & Control

- Wide-Field Imaging: The large, flat 70mm image circle accommodates modern large-format CCD and CMOS sensors for full-frame coverage without vignetting or optical distortion.

- Scientific Precision: The CDK design minimizes optical aberrations, making it ideal for photometric studies, spectroscopy, and survey work.

- Thermal Stability: Both primary and secondary mirrors are made of fused silica, ensuring low thermal expansion and excellent imaging consistency over long exposure sessions.

- Ease of Use: Features like the Delta-T ready system, optional EFA Kit, and compatibility with high-end focusers make the CDK24 an observatory-friendly instrument with flexible integration options.