Optical Tube Assemblies
Monday 25 January, 2021
20mm Silver Series Plossl – 1.25”
10 f/5 O.T.A.
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Designed and engineered to be the very best performing Newtonian reflectors on the market today, the Parks 10" f/5 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 10" f/5 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: 10"/250mm
Focal Length: 50"/1270mm
Focal ratio: f/5
Magnification (with 25mm eyepiece): 51x
Field-of-View (with 25mm eyepiece): 1.0
Secondary Mirror: 2.6"/66mm
Primary Obstruction by Secondary: 6.8%
Focuser: 2" with 1.25" adapter; 3" of travel
Finderscope: 8x50 finderscope
Tube OD: 12.5"/318mm
Tube length: 52"/1321mm
Shipping Weight: 43 lb/20 kg
Delivery: 6 - 8 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 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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