FREE SHIPPING ON MANY PRODUCTS

The Telescope Authority
Since 1947

View Shopping Cart

Your Cart is Empty

PlaneWave CDK500 (20-inch) Telescope System

SKU : PI-200130Q

- Read
  • Extended Backorder: 2-3 Months

Add to Wishlist

Got questions? Click for live chat

This product is delivered via Freight. Shipping costs and crating fees will be determined after the order is placed.

  • Full system weight: 397 lbs.
  • Max load capacity: 200 lbs.
  • Focal length: 3454 mm (136 inches)
  • Focal ratio: f/6.8
  • Aperture: 508 mm (20 inches)
  • Image circle: 70 mm
  • Please note: wedge featured in the image is SOLD SEPARATELY

Product Details

  • The PlaneWave Instruments CDK500 is a 20 inch (0.51 m) f/6.8 Corrected Dall-Kirkham Astrograph telescope. The CDK500 has a dual carbon-fiber truss design, with 3 cooling fans ejecting air from the back of the telescope. The CDK500 covers a 52 mm field of view without any field curvature, off-axis coma, or astigmatism. The instrument weight is 140 lbs (64 kg) and comes standard with a back plate retaining ring ready to accept the focuser of your choice.

    All CDK500 telescopes come with Fused Silica primary and secondary mirrors.

    The L-Series combines versatility, simplicity and affordability by combining all the technology of our Observatory class telescopes into a compact stand-alone mount. In its Alt/Az configuration it is considerably more compact than its equatorial counterpart, allowing a larger telescope to fit in a smaller enclosure. The mass it takes to make a rigid alt/az mount is substantially less, leading to cost savings. Unlike German Equatorial mounts, there are no meridian flips to deal with, and no large protruding counterweights to create a dangerous hazard in a public observatory. Alt/Az is more intuitive to use and no polar alignment is needed. Besides, it is the way the pros do it!

    L-Series Mount Features:

    • Direct-drive motors on each axis for smooth, fast, and virtually silent movement of the telescope
    • Slew speeds up to 50 degrees per second
    • High-resolution encoders on each axis for precise positioning
    • Zero backlash
    • Zero periodic error
    • PointXP mount modeling software
    • Enclosed electronics

    The L-Series mount combines versatility, simplicity, and affordability by combining all the technology of our Observatory class telescopes into a compact stand-alone mount. In its Alt/Az configuration, it is considerably more compact than its German equatorial counterpart, allowing a larger telescope to fit in a smaller enclosure.  Unlike German Equatorial mounts, there are no meridian flips to deal with, and no large protruding counterweights to create a dangerous hazard in a public observatory. Alt/Az is more intuitive to use and no polar alignment is needed. Besides, it is the way the pros do it!

    Direct drive motors and encoders Direct Drive motors and on-axis encoders eliminate the need for gears, thereby eliminating backlash and periodic error. With high-resolution encoders providing the feedback for the direct drive motors, not only will the telescope track without periodic error and backlash, but the mount will also counter wind gusts with precise servo feedback.  
    Incredible Slew Speed The direct-drive motors can move the telescope at speeds up to 50 degrees per second for tracking satellites or just to minimize target acquisition time.  
    Dual mounting bracket PlaneWave style mounting bracket to hold CDK17/20 onto inside of fork arm with the additional option of mounting a scope on the outside of the fork arm. Optional dovetail clamp required.  
    Azimuth dovetail balance system For precise center of gravity balance whether in Alt-Az or Equatorial configuration  
    Through the mount cabling Access panels in the fork arm and azimuth axis allow for camera equipment cabling through the inside of the mount.  
    Proven CDK700/PW1000 Technology The L-Series uses the same proven technology as the CDK700 and 1-Meter PW1000 which are being used in Universities around the world.  
  • specifications

    Aperture508 mm (20")
    Back Focus147 mm
    ComputerizedComputerized
    Corrected Image Circle70 mm
    Dawes Limit0.23 arcseconds
    Drive TypeDirect
    Focal Length3454 mm
    Focal Ratiof/6.8
    Glass TypeFused SIlica
    Head DesignAltitude Azimuth
    Highest Magnification1016x
    Latitude Range0 to 90 Degrees
    Light Gathering Power5267x
    Mount Head Weight257 lb
    Optical DesignCorrected Dall Kirkham
    PECYes
    Tracking Accuracy0.3 Arcseconds
    Tube Diameter521 mm/9.37 inches
    Tube Length1194 mm
    Tube Weight140 lb
  • included items

    This product is delivered via Freight. Shipping costs and crating fees will be determined after the order is placed.

    • Full system weight: 397 lbs.
    • Max load capacity: 200 lbs.
    • Focal length: 3454 mm (136 inches)
    • Focal ratio: f/6.8
    • Aperture: 508 mm (20 inches)
    • Image circle: 70 mm
    • Please note: wedge featured in the image is SOLD SEPARATELY

Product Reviews

Customer Reviews
5.0 Based on 1 Reviews
Write a Review Ask a Question
  • Reviews
  • Questions

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
    K
    09/28/2019
    Kylen
    I just wanna say I want this so bad but I can’t have it..

    Depressing.