PlaneWave CDK500 Observatory System - CDK20 / L-500 | PixelSkiesAstro
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  • PlaneWave CDK500 Observatory System - CDK20 / L-500 | PixelSkiesAstro
  • PlaneWave CDK500 Observatory System - CDK20 / L-500 | PixelSkiesAstro
  • PlaneWave CDK500 Observatory System - CDK20 / L-500 | PixelSkiesAstro
  • PlaneWave CDK500 Observatory System - CDK20 / L-500 | PixelSkiesAstro

PlaneWave CDK500 Observatory System - CDK20 / L-500

€84,400.00
Tax included

PlaneWave CDK500 Observatory System — CDK20 / L-500 The CDK500 pairs PlaneWave's CDK20 f/6.8 Corrected Dall-Kirkham optical tube with the L-500 direct-drive mount. The telescope gives a flat field free of off-axis coma and astigmatism, while the mount's direct-drive motors provide zero backlash, zero periodic error and slews of up to 50° per second in…

Manufacturer model: PlaneWave CDK500 (CDK20 f/6.8 / L-500) · Specifications checked against manufacturer data on 2026-11-03

PlaneWave CDK500 Observatory System — CDK20 / L-500

The CDK500 pairs PlaneWave's CDK20 f/6.8 Corrected Dall-Kirkham optical tube with the L-500 direct-drive mount. The telescope gives a flat field free of off-axis coma and astigmatism, while the mount's direct-drive motors provide zero backlash, zero periodic error and slews of up to 50° per second in alt-azimuth or equatorial orientation.

System

The fork base is a welded stainless steel torsion box. Control is through PlaneWave's PWI4 software with PointXP mount modelling, ASCOM compatible, and equipment cables can be routed through the mount.

Optical tube

Optical tube CDK20 f/6.8, Corrected Dall-Kirkham
Aperture 508 mm (20")
Focal length 3454 mm
Focal ratio f/6.8
Central obstruction 39% of primary diameter
Image circle 52 mm
Back focus 224 mm from mounting surface
OTA weight 63.5 kg

Mount

Mount L-500 direct-drive, alt-az / equatorial
Fork base Welded stainless steel torsion box
Mount weight published as 257 lb (100 kg)
Maximum load 91 kg (200 lb)
Swing-through length 650.748 mm from altitude axis
Encoders 18,880,000 counts/rev (0.069")
Slew rate 20°/s standard; 50°/s maximum
Latitude range 0–90°, both hemispheres
Power 100–240 V AC 50/60 Hz
Saddle PlaneWave Wide Saddle

Manufacturer documentation

CDK20 OTA · L-500 mount

Compatibility notes

CDK500 = CDK20 f/6.8 + L-500. Piers, wedges and focus accessories sold separately.

1323250Q

Data sheet

Aperture
508 mm (20")
Back focus
224 mm from mounting surface
Encoders
18,880,000 cpr
Focal length
3454 mm
Focal ratio
f/6.8
Image circle
52 mm
Max load
91 kg (200 lb)
Mount
L-500
Mount weight
published as 257 lb (100 kg)
Obstruction
39% of primary diameter
Optical tube
CDK20 f/6.8
OTA weight
63.5 kg
Power
100-240 VAC
Slew
20 std / 50 max deg/s
Swing through
650.748 mm
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