Parks 16" f/4 & f/12 Hybrid Integrated Telescope Optical Tube Assembly (OTA) $19,999.00,  Parks Optical 601-10095,Optical Tubes (OTA) Telescopes, Famouse
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Parks 16
MSRP: $23,900.00
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PARKS 16 F-4 & F-12 H.I.T. O.T.A

Item No. 601-10095
Manuf. No. Parks Optical 601-10095

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The Parks 16" f/4 & f/12 Hybrid Integrated Telescope Optical Tube Assembly (OTA) is really two telescopes in one: a fast f/4 Newtonian and sharp f/12 Cassegrain.


The ultra fast, rich-field (f/4) reflector mode combines large aperture and a wide field-of-view to deliver breathtaking views of globular clusters, open clusters, nebulae and galaxies. This mode is perfect for deep sky visual and photographic applications. Astro-photographers will appreciate the extremely fast photographic performance the f/4 design delivers.


The long focal length (f/12) classical Cassegrain mode is ideal for high magnification, high-resolution observing and photography. The Cassegrain mode delivers stunning planetary, lunar, solar and double-star images.


Parks HIT Observatory systems are supplied with two secondary mirrors, 180 degree apart, on a rotating turret. Detents lock either mirror into alignment for desired mode. This switch can be performed in just minutes, without the need for re-collimation.


All mirrors are ground, polished, and hand figured completely in-house for diffraction-limited results. The optics are mounted in a genuine Parks low thermal conductive fiberglass tube. The tube provides room around the mirror for air movement without disturbing the images. A large 8x50 right angle/straight-through finderscope is standard, as is a 2" rack and pinion focuser with 1.25" adapter. The primary mirror cell and secondary mirror holder are adjustable for alignment purposes. The rotating ring system allows convenient re-positioning of the eyepiece or camera, depending on the location of the target.


Primary Mirror Diameter: 16"/405mm

  • Focal Length, Newtonian Mode: 64"/1.63m
  • Focal ratio, Newtonian: f/4
  • Secondary Mirror, Newtonian: 5"/125mm
  • Primary obstruction by secondary: 10%
  • Magnification (w/25mm eyepiece): 65x
  • Field-of-view (w/supplied 25mm eyepiece): 0.7 degree
  • Circle-of-Full-Illumination, Newtonian mode: 40mm/1.4 degree
  • Focal Length, Cassegrain Mode: 200"/5m
  • Focal ratio, Cassegrain: f/12
  • Secondary Mirror, Cassegrain: 4"/100mm
  • Primary obstruction by secondary: 10%
  • Magnification (w/25mm eyepiece): 200x
  • Field-of-view (w/supplied 25mm eyepiece): 0.25 degree (15 arc-minutes)
  • Focuser: 2" with 1.25" Adapter, Newtonian; 1.25" Cassegrain mode
  • Oculars: One each, 15mm & 25mm focal length, 1.25" Parks Optical Gold Series
  • Finderscope: 8x50 Polar Finderscope with Illuminated Reticle
  • Tube length: 64"
  • Tube diameter: 18.5"
  • Shipping Weight: 180 lb/80 kg
Delivery: 15 ýC 20 months ARO.

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