Parks Optical Superior Nitelight 16" f/4 Telescope
Increase Your viewing pleasure with the Parks Nitelight series rich field Newtonians. Visually, the Nitelight series boasts an awesome 3-degree field of view. Using a Parks 25mm Gs-5 ocular one can observe, in the same field of view, the Andromeda Galaxy (m31) and its companions M32 and NGC205, or M81 and M82 and their companion galaxy NGC3077! In Pegasus, view the edge-on Spiral Galaxy (NGC 7331) and the remote "Stephen's Quintet" galaxy cluster in the same field of view! Photographically, exposure times can be reduced by two thirds. The Horsehead Nebula, for instance, can be brilliantly captured on hypered 3200 film in only ten minutes! Film failure, tracking errors, and eye fatigue are greatly reduced due to its fast focal ratio. These features make the Nitelight a favorite among comet hunters. The component quality of the Nitelight series is first class throughout, as Parks name is synonymous with quality. The mirrors are manufactured from low expansion Fine Annealed Pyrex glass and are free from material and surface defects. Each mirror passes a series of critical optical tests before it is assembled into a telescope tube assembly. Technicians at the Parks facility do all manufacturing, testing, and assembly. Each mirror is guaranteed to meet or surpass the industry standard Rayleigh limit of optical precision.
Specifications of the Parks Optical Superior Nitelight 16" f/4 Telescope:
Includes: 16" f/4 Primary Mirror, 16" Primary Mirror Cell, 5.00" Secondary Mirror, 5.00" F.A. Secondary Mirror Holder, 18 ý" 4 Vane Spider, 2.00" Rack & Pinion Focuser, 18 ý" ID (19" OD) x 56" Fiberglass Tube (gloss white exterior, matt-black non-reflective interior), (2) End Rings, 8x50mm Finderscope with Bracket, (2) Gold Series 1.25" OD Oculars, Collimation Tool, (2) Dust Covers, 18 ý" Rotating Ring System, 18 ý" Radius Block Set, Optical Certificate and Instructions.
OBSERVATORY EQUATORIAL MOUNT includes: 2.5" Solid Stainless Steel Shafts, 8.62" ID Steel Pier, (3) Cast Pier Legs, 12.5" Engraved Aluminum Setting Circles, Worm/Gear are Individually Matched, Spring Loaded Worm Gear Assembly, State-of-the-art Low Voltage Clock Drive with Dual Axes Drive Corrector, Lunar-Solar-Sidereal Selectable Tracking Rates, Dual Axes Hand Control Unit, Heavy Duty Declination Motor, Declination Reverse Switch, Spring Loaded Quick Release Anti-Backlash Declination Tangent System (Manual/Electronic), RA Setting Circle Illuminator, 120VAC Adapter, 12VDC Plug/Clips, Wheels, Leveling Screws, Counter Weight Shaft, Counter Weight, Latitude Adjustment.
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