5X Magnification Power: Astromania 1.25 inch 5x lens barlow when connected to any 1.25 inch telescope eyepiece; will provide a magnification five times that of the eyepiece; delivering a clearer effect for astrophotography Multi Coated: 4 element lenses with multi coated optics design make image more crisp and sharp which will render exquisite images without introducing additional chromatic abberation; while can maintain true color reproduction even in low light conditions Universal Compatibility: Astromania 1.25 inch 4 element 5x barlow lens featuring a precision engineered 1.25 inch barrel design; is compatible the majority of telescopes and eyepieces; threaded barrel accepts filters for planets and nebula photography Aluminum Alloy Construction: Crafted from premium aluminum with a black anodized finish; this component is precision-machined using CNC technology and can be used for a long time in most environments Premium Protective Packaging: This barlow 5x is equipped with a dust cap and a beautiful box; the meticulously designed dust cap can safeguard the lens from the minutest dust particles; ensuring a clear and flawless optical effect for each observation The 1.25" 4-Element 5x Barlow Lens triples the power of any 1.25" telescope eyepiece. It's an ideal accessory for high-power lunar and planetary observation, as well as lunar and planetary imaging when used with a solar system camera or webcam. Use this handy magnification-boosting Barlow for up-close views of Mars, ringed Saturn, and gigantic Jupiter, or to study craters of the Moon in exquisite detail. The extra power boost provided by this Barlow Lens is especially helpful when used with short focal length telescopes that would otherwise not be able to achieve the desired magnification with very short focal length eyepieces. The 5x Barlow features an enhanced 4-element lens design which preserves the sharpness and contrast of your telescope and telescope eyepieces. The lens elements are fully multi-coated with anti-reflection coatings, and edge-blackened to provide maximum light throughput and optimal image contrast.