ROCKY'S TELESCOPE LIST
(Recommended Telescopes for the Beginning Amateur Astronomer)

By Chuck Hawks


I first made this list when a personal friend, Rocky, who had long been interested in owning an astronomical telescope, finally decided to take the plunge and purchase his first scope. Since I am no longer a telescope dealer myself, I simply did some research online at the manufacturers' web sites to see what models were currently available and filtered the result, based on my own experience, to create the list you will find below. Since there is no telescope dealer near where he lives, whatever scope Rocky eventually chose would probably have to be purchased online, anyway.

Most of the astronomical scopes touted specifically for the beginner are so limited in either quality or capability (or both) that they will quickly be abandoned or replaced. Such telescopes are a poor investment. If you are reading this article because you are ready to move up from such a scope, you know what I mean.

I have tried to pick reasonably versatile, yet portable, telescopes of the "intermediate" type that would fall within what I consider the medium price class. (Well, okay, Tele Vue scopes are high-priced, but the two listed below are the models they recommend for beginner/intermediate astronomers.) These are actually far better for the beginning or novice amateur astronomer than a department store telescope and offer between 70mm (2.8") and 150mm (6") of clear aperture. Rocky has plenty of storage space, so overall size was not a consideration, except as it affects portability. Like most of us, Rocky will have to take his telescope to a dark sky site to use it. If, for you, space is at a premium, you probably want to confine your selection to refractors no larger than 4" in aperture or catadioptric scopes no larger than 5".

Although Newtonian type reflectors usually give the most light grasp for the dollar spent, I recommend refractors or catadioptric scopes with closed optical tubes and I use them exclusively myself. They are much easier to care for and keep clean. In addition, they are easier to transport and do not need the constant collimation required by Newtonian reflectors. I knew that Rocky would be dissatisfied with a telescope that was poorly made, required constant maintenance, or did not give good optical performance. I therefore tried to stay with recognized and widely available brands that have been around for a while. In this case, Celestron, Meade, Stellarvue, Tele Vue and Orion. I also included a few used/discontinued telescopes that are a very good value if you can find one in good condition at a fair price. Obviously, earlier versions of all the telescopes listed below may be found on the used market at considerable savings.

Pay particular attention to the mount supplied with a telescope. The telescope and mount are a system that is only as good as its weakest link. Beginners tend to under-buy when it comes to mounts. They do not yet know that if a mount looks about right for a given telescope, it is probably too small. The mount must dominate the size and weight of the telescope if it is to provide a stable viewing platform. In this regard, Celestron's CG-4 German Equatorial Mount is the "gold standard" for small telescopes.

Computerized (often called "Go To") mounts are touted for beginners, but most of the more experienced astronomers I know don't have much use for them. They add a whole layer of complexity to what is often already a confusing hobby for the beginner and can be extremely frustrating to set-up and align. When they work correctly, the beginner doesn't learn the night sky nearly as fast as if he or she were "star-hopping" with a manual mount to locate objects in the night sky, thus denying them a major part of the enjoyment of amateur astronomy. While there are go-to mounted scopes on the list that follows for those who demand them, they are not my first recommendation.

Finally, I added some of the most common and necessary accessories, which I knew he would need almost immediately. The short list below is the result and, if you are contemplating purchasing your first telescope, I hope you find it helpful.


Celestron Omni XLT 102 Telescope
Omni XLT 102 w/CG-4 mount. Courtesy of Celestron International.

Telescope
Focal length
Aperture
Focal ratio
Type
Supplied mount

Celestron telescopes:
Omni XLT 102 1000mm 102mm (4") f/9.8 Refractor CG-4 Ger. Eq.
Omni XLT 102ED 900mm 102mm (4") f/8.8 ED Refractor CG-4 Ger. Eq.
Omni XLT 120 1000mm 120mm (4.7") f/8.3 Refractor CG-4 Ger. Eq.
Omni XLT 127 1250mm 127mm (5") f/9.8 Schmidt-Cassegrain CG-4 Ger. Eq.
Omni XLT 150R 750mm 150mm (6") f/5 Refractor CG-4 Ger. Eq.
NexStar 4 SE 1325mm 102mm (4") f/13 Maksutov-Cassegrain Go-To Alt-Az Fork
NexStar 5 SE 1250mm 127mm (5") f/9.8 Schmidt-Cassegrain Go-To Alt-Az Fork

Meade telescopes:
AR-5 AT 1143mm 127mm (5") f/9 Refractor LXD-75 Go-To Ger. Eq.
AR-6 AT 1219mm 150mm (6") f/8.1 Refractor LXD-75 Go-To Ger. Eq.
ETX-LX 1524mm 150mm (6") f/10.2 Schmidt-Cassegrain Go-To Alt-Az Fork
ETX-90PE 1250mm 90mm (3.5") f/13.9 Maksutov-Cassegrain Go-To Fork
ETX-125PE 1900mm 127mm (5") f/15 Maksutov-Cassegrain Go-To Fork

Stellarvue telescopes:
SV-70ED Complete System 420mm 70mm (2.8") f/6 ED Refractor M1 Alt-Az
SV-102ED Complete System 710mm 102mm (4") f/7 ED Refractor M1 Alt-Az

Tele Vue telescopes:
Tele Vue-76 480mm 76mm (3") f/6.3 ED Refractor None; use Tele-Pod Mount
Tele Vue-85 600mm 85mm (3.4") f/7 ED Refractor None; use Panoramic Mount

Orion telescopes:
SkyView Pro 80ED 600mm 80mm (3.2") f/7.5 ED Refractor SkyView Pro Ger. Eq.
SkyView Pro 80ED GO TO 600mm 80mm (3.2") f/7.5 ED Refractor Go-To SkyView Pro Ger. Eq.
SkyView Pro 120 1000mm 120mm (4.7") f/8.3 Refractor SkyView Pro Ger. Eq.
SkyView Pro 100ED 900mm 100mm (4") f/9 ED Refractor SkyView Pro Ger. Eq.
AstroView 100 EQ 600mm 100mm (4") f/6 Refractor AstroView Ger. Eq.

Used and Discontinued telescopes:
Celestron FirstScope 80 900mm 80mm (3.2") f/11.3 Refractor Alt-Az w/slow-motion controls
Celestron FirstScope 80EQ 900mm 80mm (3.2") f/11.3 Refractor Ger. Eq.
Celestron C-90 Astro 1000mm 90mm (3.5") f/11.1 Maksutov-Cassegrain Motorized EQ Fork
Celestron C-5 1250mm 127mm (5") f/9.8 Schmidt-Cassegrain Motorized EQ Fork
Questar Standard 3.5 1280mm 89mm (3.5") f/14.4 Maksutov-Cassegrain Motorized EQ Fork
Meade ETX-90 1250mm 90mm (3.5") f/13.9 Maksutov-Cassegrain Motorized EQ Fork
Bosch & Lomb Criterion 4000 1200mm 102mm (4") f/11.8 Schmidt-Cassegrain Motorized EQ Fork

Basic Accessories:

Celestron accessories:

Plossl Eyepiece and Filter Kit (1.25")
Omni Plossl Eyepieces
X-Cel Eyepieces
Ultima LX Eyepieces
Axiom LX Eyepieces
Polar Alignment Scope for CG-4 Mount
Star Pointer Finderscope Kit (red dot)
Laser Finderscope Kit (green projection laser)
Moon filter (1.25")
Star Chart

Meade accessories:

Series 4000 Eyepiece and Filter Kit (1.25")
Series 4000 Eyepieces
Series 5000 Eyepieces
Moon filter (1.25")

Stellarvue accessories:

FMC Eyepieces
Power Booster Set (1.25" Eyepiece and Barlow lens)
F2 Deluxe Red Dot Finder
F1001 Red Dot Finder
Moon filter (1.25")
Mount Handle

Tele Vue accessories:

Plossl Eyepieces
Radian Eyepieces
Panoptic Eyepieces
Nagler Eyepieces
Ethos Eyepieces
Star Beam Red Dot Finder
Qwik-Point Illuminated Finder
Tele-Pod Mount (Alt-Az)
Panoramic Mount (Alt-Az)

Orion accessories:

Sirius Plossl Eyepieces
Edge-On Eyepieces
MegaView UW Eyepieces
Right Angle, Correct-Image Finderscopes (6x30, 9x50)
EZ Finder Deluxe (Red Dot)
EZ Finder II (Red Dot)
Neutral Density Moon Filter (1.25")
DeepMap 600 Folding Star Chart
Star Target Planisphere


Notes:

All 1.25" oculars, regardless of brand, fit all 1.25" star diagonals. At a minimum, you will need to buy three additional oculars, star chart, moon filter and a flashlight with a red lens. (The Pelican MityLite flashlight kit is inexpensive and widely distributed.) If you must view from the confines of a city, a light pollution reduction (LPR) filter is recommended. Orion has a large selection of economical padded cases for telescopes and tripods to help protect your investment.

Most telescopes come with straight, inverted image finderscopes that are hard to use. Celestron, Orion, Tele Vue and Stellarvue offer Red Dot finders that will make it much easier to aim your telescope. Another option is a green projection laser finder/pointer. In a conventional right angle, correct image finder, Orion offers 6x30 and 9x50 models at a good price. Mounting both a red dot and a correct image finder on your telescope is the optimum set-up.

A good binocular in the 7x35mm to 10x50mm range can be very useful for locating objects in the night sky. Celestron, Nikon, Vixen, Leupold and others offer suitable binoculars.




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Copyright 1999, 2009 by Chuck Hawks. All rights reserved.



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