Changing Telescope Eyepieces Can Improve the Finest Telescopes

Published: 24th May 2011
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Good telescope eyepieces have the ability to completely transform the view of virtually any telescope. An investment in a quality eyepiece will definitely greatly enhance and also improve all of your viewing experiences. A good eyepiece will also last for many years and you'll realize its value each time you use it.

Should I Replace My Eyepiece

Now that you've purchased or perhaps have been given a new telescope, you’re interested in making it even better. One of the very first things new telescope owners often change out tend to be the telescope eyepieces. Many people, especially beginners, usually tend to want to overdo it when it comes to upgrading their telescope eyepieces. You might want to learn a little bit about telescope eyepieces before you decide to pay out more money than you really need to.

Astronomy enthusiasts are not any different from other enthusiasts with regards to their hobby or in some instances passion. It is very normal to want bigger and better. At some point in time you'll likely want to upgrade your telescope to a bigger aperture model. Nevertheless, a good alternative option to spending more money than necessary would be to consider new telescope eyepieces instead. There are plenty of good quality telescope eyepieces on the market that can make your existing telescope feel like and perform just like a new telescope.


The appropriate telescope eyepieces are going to have a positive impact on the brightness of images, and will also improve magnification along with the field of view. The changes in the views that you get can be remarkable when using the appropriate eyepieces.

Know What to Expect from Telescope Eyepieces

Good telescope eyepieces must have features that can work in conjunction with your telescopes optics yet enhance and improve its performance enough to justify the added expense.

You should look at telescope eyepieces which will perform best for the majority of users along with the majority of telescopes. Most newcomers to astronomy are going to be literally blown away by the difference in viewing experiences associated with quality telescope eyepieces compared to the eyepiece that was included with their telescope.

Simply put, the answer to the original question about upgrading your eyepiece is yes. However, it's usually a good idea to carry out a bit of research and have a few helpful tips beforehand.


Think about the following advice when purchasing:

Eye Relief

Eye relief is a term you should become familiar with. It's the amount of distance from your eye to the point in the eyepiece where the images are formed. The longer the eye relief, the more comfort in viewing. If you wear glasses, try and get telescope eyepieces with an eye relief of 15 millimeters. A better eyepiece will allow for some adjusting in the eye relief, where the less expensive ones are fixed. So, if you do wear eye glasses the eye relief is important. Even if you don't wear glasses, you should have adequate eye relief to make sure that your eyelashes don’t touch the lens. Oils transferred from your eyelashes can cause damage to the lens coatings. So, clean your telescope eyepieces often.

The View - Eyepiece Size and Diagonal

What you see whenever you look into your telescope eyepieces is basically determined by its size and the size of the diagonal. A diagonal is simply a prism or mirror combined with a reflector. The image is reflected from the main lens to the eyepiece via the diagonal. The eyepiece fits into the diagonal which is mounted on the side or top of the telescope. The diagonal is an important component when it comes to focusing the eyepiece

The industry standard for diagonals on most telescopes that you initially purchase is an inch and a quarter. As you insert different inch and a quarter eyepieces into different size focal lengths, you will get different magnifications, and you can easily control the focus at the telescope.

An alternative choice, that is effective when you've got a long focal length on your telescope, is to add a two inch diagonal. It will help with deep sky viewing by bringing in those dim and fuzzy objects more clearly.

There's quite a difference when viewing with a two inch eyepiece, and could be compared to looking out of the window of the space shuttle. With two inch eyepieces you can actually look down, right, left and all around which is similar to having your own window to space.

A two inch eyepiece is designed for low power and a wide FOV (field of View) which keeps the image view bright and well-defined from one edge to the other. You can still make use of your two inch diagonal with a one and a quarter eyepiece by adding an adapter. This is an excellent option when you require high power to view planets and the moon, but don't want change the diagonal.

Buy Wisely

Buying telescope eyepieces can be somewhat expensive, but less expensive than a new telescope, so look for reputable manufacturers that offer money back guarantees and good support. Buying online is a good approach. There are a lot more choices in one place and the sellers tend to be quite reputable. It is also easier to find more eyepiece vendors online than at your local shopping mall.

For variety and savings visit Telescope Eyepieces Online website where you can view and compare high quality telescope eyepieces at the best prices and huge savings

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