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Argonaut
Maksutov-Cassegrain
C
ongratulations on purchasing an Orion telescope! The Argonaut 150 is a precision instrument designed
for high-performance astronomical observation. With its Maksutov-Cassegrain optical system expertly
crafted in Russia, you'll enjoy exquisite views of countless celestial objects. These instructions will help
you properly use and care for your telescope. Please read them over thoroughly before getting started.
Table of Contents
1. Parts List .................................................................................................................................................................. 2
2. Unpacking and Assembly......................................................................................................................................... 2
3. The Optics................................................................................................................................................................ 2
4. Using the Telescope................................................................................................................................................. 2
5. Care and Maintenance............................................................................................................................................. 3
6. Specifications ........................................................................................................................................................... 4
7. Suggested Accessories ........................................................................................................................................... 4
Providing Exceptional Consumer Optical Products Since 1975
INSTRUCTION MANUAL
Orion
#9073
Optical Tube Assembly
#21480
With SkyView Deluxe Equatorial Mount
®
150mm
™
Customer Support (800) 676-1343
E-mail: support@telescope.com
Corporate Offices (831) 763-7000
P.O. Box 1815, Santa Cruz, CA 95061
IN 098 Rev. B 0499
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Summary of Contents for Orion Argonaut 150mm 9073
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Page 1: Table Of Contents
INSTRUCTION MANUAL Orion ® Argonaut 150mm ™ Maksutov-Cassegrain #9073 Optical Tube Assembly #21480 With SkyView Deluxe Equatorial Mount ongratulations on purchasing an Orion telescope! The Argonaut 150 is a precision instrument designed for high-performance astronomical observation. With its Maksutov-Cassegrain optical system expertly crafted in Russia, you’ll enjoy exquisite views of countless celestial objects. -
Page 2: Parts List
1. Parts List Cooling the Telescope All optical instruments need time to reach “thermal equilibrium” to Qty. Description achieve maximum stability of the lenses and mirrors, which is Optical tube assembly (including 7x35 finder scope and essential for peak imaging performance.When moved from a warm bracket, and carrying handle) indoor location to cooler outdoor air, a telescope needs time to equilibrate to the outdoor temperature. -
Page 3: Care And Maintenance
eyepieces will not reach focus if used in the 2" diagonal. If you adjustments to the alignment screws until the image in both the wish to use 2" eyepieces, you must additionally purchase a 2" finder scope and the telescope’s eyepiece are exactly centered. star diagonal (Orion #8773). -
Page 4: Specifications
glass cleaner or cleaning fluid designed for eyeglasses. Always 7. Suggested Accessories apply the fluid to the tissue, never directly on the optics. After care- fully cleaning the lens surface, gently wipe it with a dry tissue, 2"-to-1.25" Step-Down Adapter (#8768)—Allows use of taking care not to rub too hard. - Page 5 Addendum to Argonaut 150mm Mak-Cass Instructions The focuser of the Argonaut 150mm Maksutov-Cassegrain has an additional feature that is not described in the instruction manual. By loosening the three socket-head setscrews at the base of the focuser housing a couple of turns each, you can rotate the focuser to any desired orientation relative to the optical tube.