Parallax Instruments 16" Telescope Dall-Kirkham F/20 Cassegrain OTA $14,800.00,  Parallax Instruments PI400DK,Optical Tubes (OTA) Telescopes, Best Rated
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PARALLAX INSTRUMENTS 16" TELESCOPE DALL-KIRKHAM F/20 CASSEGRAIN OTA PI400DK

  Parallax Instruments Optical Tubes (OTA) Telescopes
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Parallax Instruments Dall-Kirkham Cassegrain OTA-16" f/20 w/7x50 finder, tube rings, Conical mirror PI400DK

Item No. 608-11070
Manuf. No. Parallax Instruments PI400DK

Special Order Item Please read terms page before placing order

A 50% deposit is required for ordering this product.

Parallax Instruments 16" Dall-Kirkham F/20 Cassegrain OTA Telescope, PI400DK

Parallax also offers Classical Cassegrain and Dall-Kirkham Cassegrain telescopes in 10", 12.5", 14.5", and 16" apertures. The Classical Cassegrain offers a very long focal length in a relatively compact tube. Includes 2" Feather Touch or 2.7" AP Focuser (Specify), 8X50 finder, standard tube rings, tube weight counterbar assembly and slewing handles.

All optical tubes are finished in high gloss acrylic urethane paint and are furnished with metal snap-lock dust cover and 2" and 1 1/4" focuser adapters. Diagonals or eyepieces are not included. Interferometric test report and fringe analysis data is included with each telescope.

They are excellent instruments for high magnification planetary and double star work. The Dall-Kirkham Cassegrain with its F/20 focal ratio and smaller central obstruction is perhaps the ultimate high magnification visual planetary telescope.

Specifications

  • Model PI400DK
  • Clear Aperture 406mm
  • Focal Ratio F/20
  • Focal Length 8120mm
  • Primary Mirror PYREX - LIGHTWEIGHT CONICAL PRIMARY By R. F. Royce
  • Optical
  • Central Obstruct. ~ 25% by Diameter
  • Telescope Tube Aluminum
  • Primary Focal Ratio F/4
  • Secondary Amplification 5X
  • Spacing (Approx.) 50"
  • Mirror Coatings AlSiO
  • Optical Tube Dia. 19"
  • Optical Tube Length 60"
  • Optical Tube Weight 130 lbs.
  • Focuser 2" Feather Touch or 2.7" AP (Specify)
  • Finderscope 7X50
  • Tube Rings Standard
  • Recommended Mount HD300C
  • Slewing Handles(2) Standard
  • Tube C'wt. Bar Assy. Standard
All optical tubes are finished in high gloss acrylic urethane paint and are furnished with metal snap-lock dust cover and 2" and 1 1/4" focuser adapters. Diagonals or eyepieces are not included. Interferometric test report and fringe analysis data is included with each telescope.


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