Wednesday 20 November, 2019
25mm Silver Series Plossl – 1.25”
16 f/4 & f/18 HIT Observatory System
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Note: This is an oversized item that requires custom shipping options. Freight charges are to be quoted based on destination at time of delivery.
The Parks 16" f/4 & f/18 Hybrid Integrated Telescope (HIT) is really two telescopes in one: a fast f/4 Newtonian and sharp f/18 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/18) 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: Newtonian and Cassegrain. Both come with their own holder with guide pins. Just take out one Secondardary Assembly and slide in the other one in. The bolts, guidepins and baseplate in the spider assure proper position. The switch can be performed in just minutes, without the need for recollimation.
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.
The observatory mount is equipped with a "state-of-the-art" electronic clock drive/drive corrector. This electronic system includes: internal circuitry for dual-axis corrections; lunar, solar, and sidereal rate selections; variable speed adjustments; and a reversing declination switch. The worm gear in the clock drive disengages for easy and precise balancing of the telescope. Spring-loaded clutch plates are adjustable.
As supplied, the telescope may be powered by either 12 VDC or 120 VAC. A cigarette plug adapter can be interfaced with either battery clip adapters or the 120-volt power supply.
The declination axis features an exclusive tangent arm system, which allows electronic and manual slow motion tracking. Includes a spring loaded, quick release/centering device with anti-backlash.
Primary Mirror Diameter: 16"/406mm
Focal Length, Newtonian Mode: 64"/1626mm
Focal Length, Cassegrain Mode: 288"/7315mm
Focal ratio: f/4 Newtonian; f/18 Cassegrain
Focuser: 2" with 1.25" Adapter
Drive System: Dual axis with declination motor and hand controller
Oculars: One each, 15mm & 25mm focal length, 1.25" Parks Optical Gold Series
Finderscope: 8x50 Polar Finderscope with Illuminated Reticle
RA/Dec Drive-shafts: 2.5" Stainless Steel
Optical Tube Assembly: 260 lb/118 kg
Mount and Rest of System: 657 lb/298 kg
Delivery: 18 – 24 months ARO.
All product specifications, prices and shipping charges are subject to change without notice. Prices, in US Dollars, do not include any applicable state taxes and/or customs fees. Shipping/Handling estimates are quoted on a case by case basis. Please contact Parks Directly -
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16 f/4 & f/18 HIT Observatory System
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