Celestron 21045 114mm Equatorial PowerSeeker Telescope
by Celestron
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Digital Photo Product Details
Manufacturer: CelestronModel: 21045
Product features:
- Affordable telescope for beginning astronomer; portable yet powerful
- All-glass optical components with high transmission coatings for enhanced image brighness and clarity
- Newtonian optical design with a 114mm aperture and 900mm focal length
- Equatorial mount for tracking the sky
- Includes 3x Barlow Lens (1.25"), 20mm eyepiece, 4mm eyepiece, aluminum tripod with accessory tray
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Digital Cameras Photo Reviews of Celestron 21045 114mm Equatorial PowerSeeker Telescope
Customer Review: Do not buy this telescope!
Summary: 1 Stars
I purchased one of these telescopes and almost immediately regreted it. The 4mm eyepiece that comes with it is completely useless fo anything but the absolute perfect viewing conditions. The conditions needed for this eyepiece to be useful are very rare. I would recommend that you not go smaller than 5mm for this telescope. The mount is garbage! The finder scope is junk as well. Celestron views this as an entry level telescope and has equiped it with pieces designed to prompt you to quickly replace them, preferably with their products. I have spent over $350 in improvements and I'm not done yet. The mount is extremely sloppy and unstable. The controls get in the way constantly when trying to view objects low on the horizon. The gears inside are very cheap and do not move smoothly. This makes it extremely difficult to locate objects using the Right Assention (RA) and Declination, (Dec) setting circles. Speaking of the setting circles, they are very crude. There is not enough detail to the degree markings on the circles. This forces you to guess at the settings and then search for the object that should be in your eyepiece. The finder scope mount is very loose, making adjustment an exercise in futility. There is almost 1/4" of play between the mount and the bolts that attach the finder scope mount to the telescope tube. The slightest bump puts you out of business, unless you can manage to re-set the finder scope in the dark. The cross-hairs inside the finder scope are invisible at night. Even if you have the finder scope perfectly aligned, at night you still have to guess where the center of the cross-hairs are at. Even if you manage to keep the finder scope from moving on you, you still have to align the finder scope to your telescope. The adjustment screws are not spring loaded and are also cheaply made. You are lucky indeed if you get it aligned properly. The focuser only accepts 1.25 inch eyepieces. This is great from the standpoint that 1.25 eyepieces are cheaper than 2 inch ones because it takes less glass to make the smaller ones. The disadvantage is that if you want eyepieces with wider fields of view, and trust me you will, you need a focuser that will accept both 1.25 and 2 inch eyepieces and accessories. Here is a link to an article I wish I had seen before buying the Celestron Powerseeker 114 EQ, or any other telescope for that matter.
[...]
PLEASE, read this article and do some research before you buy! Find the local astronomical society and go to their next meeting, send them an email, call the president of the club or better yet, attend their next "Star Party". It is the best way to find out what you like, and more importantly, what not to buy. This is especially important with eyepieces, (they can be the biggest part of your total investment). Here's a link to the astronomical society, where you can begin your search for your local club.
[...]
Take the advise of someone who found this out a bit too late. It is better to spend a bit more initially than to buy a cheap telescope and have to improve it almost immediately.
Description of Celestron 21045 114mm Equatorial PowerSeeker Telescope
Celestron PowerSeeker 114EQ 45 - 225X Reflector Telescope opens up the wonders of the universe to the aspiring astronomer. Amateur astronomy is a great hobby you can enjoy year-round, and Celestron's PowerSeeker Telescopes are the ideal choice for affordable stargazing enjoyment! PowerSeeker Scopes are quick and easy to set up, even for the novice... no tools required! Their sturdy Equatorial mounts are perfect for tracking objects across the night sky, meaning these Telescopes shine for moon- and planet-watching. All Celestron PowerSeekers include a tripod, full range of eyepieces, plus a 3X barlow lens. Specs: 114 mm aperture size; Includes 20 mm eyepiece for 45X magnification, 4 mm eyepiece for 225X, and a 3X barlow lens that triples the magnification power of each eyepiece; Newtonian reflector optical design; Fully-coated glass optics with high-transmission coatings for enhanced brightness and clarity; Sturdy German Equatorial mount, perfect for tracking objects across the night sky; Erect image diagonal, ideal for terrestrial and astronomical viewing; Comes with The Sky X Planetarium software; Focal length: 900 mm; Limiting stellar magnitude: 12.8; Resolution (Rayleigh): 1.22 arcsec; Resolution (Dawes): 1.02 arcsec; Light-gathering power: 265X; Angular F.O.V. is 0.9 degrees. Linear F.O.V. is 48' 5x24 mm finderscope; Includes aluminum tripod. Order yours today! Celestron PowerSeeker 114EQ 45X-225X Reflector TelescopeI love bargains, so I was eager to try out Celestron's new Powerseeker 114 Newtonian reflector telescope. With its 4.5-inch mirror, Celestron's Powerseeker 114 gathers three times more starlight than popular 60mm refractors. The Powerseeker package includes two eyepieces (K20 and SR4), a plastic 3x barlow, and a lightweight equatorial mount.
Optically, the Powerseeker 114 holds its own when compared with my Celestron Firstscope 114EQ. Using the K20 eyepiece included as standard equipment, about 45x magnification, it's easy to see the Andromeda Galaxy and its smaller satellite galaxy M32. When compared to 60mm refractors, the Powerseeker 114 brings out much more detail in the Orion Nebula, reveals many more stars in Perseus' Double Cluster and even brings out a few individual stars in globular clusters like M13. Saturn looks quite small at 45x with the K20 eyepiece, but using my own 7.5mm eyepiece (120x) I can easily detect the shadow cast by the planet on the rings, and even glimpse the ring's Cassini Division. When the mirrors are properly lined up or "collimated," the images are reasonably sharp up to magnifications of 225x. I find a collimation tool helps get this fine tuning just right.
As good as the optics are, however, the effect of cost-cutting shows up in the mechanical components. The focuser is plastic, the finder scope is plastic, the rings that attach the telescope to the tripod are plastic. Even when the tripod legs are clamped at their shortest setting, the telescope wobbles when I try to focus at higher magnifications. Celestron's instruction manual correctly recommends that most viewing be done in the range of 40x to 130x. So what about that 675x magnification proclaimed on the box? I'd say it's not worth the trouble.
Overall, the Celestron Powerseeker 114 is a budget priced telescope with good optical performance, especially when using the low power K20 eyepiece. If you're willing to spend a little more money, either Orion's SkyQuest XT4.5 or Celestron's Firstscope 114EQ will give you a sturdier mount, an improved finder scope, and better eyepieces. Also, for about the price of the Powerseeker 114, I like the dependable refractor design of Celestron's Firstscope 70EQ. --Jeff Phillips
Pros:
- Low cost
- Good optics
- Serviceable K20 eyepiece
- Wobbly mount
- Difficult to collimate
- Plastic finder and focuser
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