Barlow lenses offer an easy, economical way to increase the magnification range of your eyepieces, and Celestron carries an assortment of these highly useful lenses. A Barlow lens doubles the magnifying power of your eyepiece by doubling its effective focal length. For example, an 18mm eyepiece used with a 2x Barlow lens would have the magnifying power of a 9mm eyepiece. It's like having two eyepieces in one!
If you're looking for an affordable way to achieve high-power viewing of the moon and planets, double stars and even close-up views of terrestrial subjects, a Barlow lens is the answer.
Barlow lenses mount into either your telescope's focuser or visual back.
The .96" Economy model is a good choice when you want to expand your power ranges at a very economical price.
Celestron's premium quality 1¼" achromatic Barlow lenses (#93507) are compact and lightweight. It is under three inches long, weighing in at 4 ounces.
The Ultima Series Barlow (2x - 1¼") is an air-spaced, three element apochromatic design with a 27mm clear aperture. This lens features a very high quality, fully multicoated design. Amazingly compact and lightweight, it's just 5 ounces and 2.75" in length.
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