Optical Tube Assemblies
Saturday 11 July, 2020
9 3/8ID (9 3/4 OD) x 38-55 Fiberglass Tube
12.5 f/5 O.T.A.
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Designed and engineered to be the very best performing Newtonian reflector on the market today, the Parks 12.5" f/5 O.T.A. 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 O.T.A. 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 oculer is included.
Primary Mirror Diameter: 12.5"/317.5mm
Focal Length: 62.5"/1588mm
Focal ratio: f/5
Magnification (with 25mm eyepiece): 64x
Field-of-View (with 25mm eyepiece): 0.8
Secondary Mirror: 3.1"/79mm
Primary Obstruction by Secondary: 6.1%
Focuser: 2" with 1.25" adapter; 3" of travel
Finderscope: 8x50 finderscope
Tube OD: 16-5/16"/414mm
Tube length: 63"/1.6m
OTA: 85 lb/40 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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