Tuesday 22 January, 2019
20mm Silver Series Plossl – 1.25”
8" f/6 Superior 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 8" f/6 Superior Newtonian Telescope is a result of years of design, engineering, refining and manufacturing expertise. It features diffraction limited, full thickness primary mirror; Parks fiberglass tube; precision bearings; stainless steel shafts and quality components throughout.
New state-of-the-art, low voltage 12 VDC clock drive/drive corrector runs anywhere in the world without changing the motors or circuitry. Using less than .5 amps at 12 volts, the dual-axis drive corrector can be selected to run at lunar, solar or sidereal rates. Declination motor, declination reversing switch, and dual-axis hand control unit are included.
Also new is a spring loaded, quick release, anti-backlash declination tangent system with manual and electronic slow-motion tracking capabilities. The worm and gear are both lapped to increase accuracy, and are individually matched. A spring-loaded worm gear assembly assures 100% interfacing of the gears for superior accuracy.
Standard package includes: 8" f/6 optical tube assembly; 6x30 finderscope; 1.25" focuser; rotating ring system; one 1.25" Gold Series ocular; clock-drive, 6" engraved aluminum setting circles, with setting circle illuminator, 120 VAC power supply, 12 VDC battery clips, wheels, leveling screws and dusts covers.
Primary Mirror Diameter: 8"/200mm
Focal Length: 48"/1220mm
Focal ratio: f/6
Secondary Mirror: 1.83"/46mm
Obstruction of Primary by Secondary: 5%
Magnification (with 25mm eyepiece): 49x
Focuser: 1.25" ID with 2" of travel
Drive System: Dual axis with declination motor and hand controller
Drive-shaft: 1.5" OD Stainless Steel
Optical Tube Assembly: 33 lb/15 kg
Counterweight: 25 lb/11 kg
Mount: 125 lb/57 kg
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 -
8" f/6 Superior System
10 f/4 & f/15 HIT Superior System
12.5" f/5 Superior System
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