Optical Tube Assemblies
Friday 05 June, 2020
1.83 Secondary Mirror
8 f/6 O.T.A.
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Designed and engineered to be the very best performing Newtonian reflectors on the market today, the Parks 8" f/6 Optical Tube Assembly (OTA) 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 8" f/6 OTA utilizes a Parks genuine Fiberglass Tube, Parks LEGENDARY fine annealed diffraction limited Pyrex mirrors and the highest quality mechanical and optical components throughout. One 1.25" Parks Gold Series, 25mm focal-length ocular is included.
Primary Mirror Diameter: 8"/200mm
Focal Length: 48"/1220mm
Focal ratio: f/6
Magnification (with 25mm eyepiece): 49x
Secondary Mirror: 1.83"/46mm
Obstruction of Primary by Secondary: 5%
Focuser: 1.25" ID with 2" of travel
Finderscope: 8x50 finderscope
Tube OD: 9-3/8"/240mm
Tube length: 48"/1220mm
Shipping Weight: 21 lb/10 kg
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 intended for the 48 Contiguous US States only. Alaska, Hawaii and international shipments are quoted on a case by case basis. Please contact Parks Directly -
10 f/5 O.T.A.
10 f/4 & f/15 HIT O.T.A.
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