The newly enhanced X-Cel LX eyepiece series is what you've been waiting for in a high quality eyepiece for planetary viewing. With a brand new sleek & robust design and a twist-up eye guard, these eyepieces are especially designed for comfort and ease of use. They also have a wide 60° field of view and 6-element fully multi-coated optics for magnificent wide field performance. X-Cel LX eyepieces are parfocal and require little to no focusing when changing from low to high power.
X-Cel LX 5mm Eyepiece - General Features
- Wide field of view enhances views of the night sky through a single lens
- 6-element fully multi-coated optics create sharper images
- Extendable twist-up eyepieces are easier and more comfortable, especially for eyeglass wearers
- No slip, rubber grip ring for secure handling, even in moist conditions
- Parfocal eyepiece require little to no focusing when changing from low to high power
Agena Note: Depending on your telescope, this eyepiece may provide magnifications that are too high! While it can be very useful for viewing the Sun, Moon, brighter planets and terrestrial objects, it is not for everyone or for common viewing conditions.
Before buying, please make sure that you are using realistic magnifications with your telescope. A good rule of thumb is that under very good conditions and with a very good telescope, the maximum power you will be able to use is about 50x of magnification per inch of telescope aperture. With average telescopes and/or average conditions, you might be limited to 30x of magnification per inch of telescope aperture. So for example, if you have a 4" telescope, under typical conditions you might typically use 4x30 = 120x of magnification, and 4x50 = 200x of magnification at best. If your telescope has a focal length of, say, 1200mm, then this eyepiece will result in a magnification of 1200 / 5 = 240x which is probably too much for this telescope.
Also, when you magnify an object, its light is spread over a larger area. Since the brightness of the object being viewed hasn't changed, this means that the image you see will be fainter. Double the magnification and the image will get 4 times fainter. This is a basic law of physics, but people often forget this and complain that the "image is not bright enough" when they increase the magnification to very high powers.
Boosting the magnification beyond the recommended maximum for your telescope aperture is not realistic. This is bound to result in image break-down, causing faint, fuzzy images, focusing difficulties, increased color around objects and general disappointment. Use the eyepiece in the right settings and with the correct expectations, and you will enjoy it.
Product carries full 2 year Celestron factory limited warranty (within US/Canada only).
|Eyepiece Series||X-Cel LX|
|Barrel Size||1.25" (31.7mm)|
|Apparent Field of View (Mfg Specified)||60°|
|Eye Relief (Designed)||16mm|
|Filter Threads||Standard 1.25" Filter Thread (M28.5 x 0.6)|
|Barrel Safety Recess||Yes|
|Barrel Type||With safety undercut|
|Protective Plastic Storage Container||Yes - Manufacturer Supplied|
|Protective Plastic Storage Container Size||Replacement: Agena 52x80mm|
|Rubber Eye Guard||Yes (Twist-Up Eyecup)|
|Warranty||Full 2-year manufacturer's limited factory warranty (within US/Canada only)|
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