5x/3x Barlow Lens Eyepiece For 1.25" Telescope — Fully Coated

Double or triple your telescope's magnification instantly with this 5x/3x Barlow Lens Eyepiece For 1.25" Telescopes. A barlow lens is the most cost-effective upgrade any astronomer can make — it multiplies the effective focal length of every eyepiece in your collection.

Fully coated glass elements minimize light loss and prevent internal reflections, delivering sharper, higher-contrast views of the Moon, planets, and binary stars.

The Physics Inside

A Barlow lens is a negative (diverging) lens that extends the focal point, effectively increasing the telescope's focal ratio. Inserting it before your eyepiece multiplies magnification without changing the eyepiece's eye relief.

Specifications

• Dual magnification: 3x and 5x modes
• Standard 1.25" barrel fits most telescopes
• Fully coated glass optical elements
• Blackened interior to eliminate stray light

Fulfilled via CJ Dropshipping. Ships worldwide in 7–20 business days.