Saturday 20 July, 2019
9 3/8ID (9 3/4 OD) x 38-55 Fiberglass Tube
12.5" f/5 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.
Designed and engineered to be the very best performing Newtonian reflector on the market today, the Parks 12.5" f/5 Superior System provides superior imaging, craftsmanship, construction and viewing comfort like no other! Delivering superb images of the moon, planets, nebulae and deep sky objects, the Parks 12.5" f/5 Superior System utilizes a Parks genuine Fiberglass Tube, Parks LEGENDARY fine annealed, diffraction limited Pyrex mirrors and the highest quality mechanical and optical components throughout. Two 1.25" Parks Gold Series eyepieces are included, one each of 25mm and 15mm focal-length.
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: 12.5" f/5 Optical Tube Assembly; 8x50 finderscope; 2" focuser; rotating ring system; two 1.25" Gold Series oculars; 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: 12.5"/315mm
Focal Length: 63"/1.6m
Focal ratio: f/5
Magnification (with 25mm eyepiece): 64x
Secondary Mirror: 3.1"/79mm
Primary Obstruction by Secondary: 6%
Focuser: 2" with 1.25" adapter; 3" of travel
Finderscope: 8x50 finderscope
Tube OD: 16.3"/42cmm
Tube length: 63"/1.6m
OTA: 85 lb/40 kg
Counterweight: 60 lb/27 kg
Mount: 125 lb/57 kg
Delivery: 8 - 12 months ARO.
Specifications subject to change without notice.
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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