Barlow lens

The Barlow lens is a practical and versatile accessory that allows the focal length of a telescope to be easily increased. It is particularly useful for visual observation to highlight details of the Moon’s craters and planets—such as the cloud bands of Jupiter or the rings of Saturn. In astrophotography, the focal extender enables celestial objects to appear larger on the sensor of the astro camera, allowing more fine details to be captured, especially during planetary and lunar photography.

A quality Barlow lens is manufactured with a multi-element design, precise optical construction, and stable mechanical build, thus maintaining image sharpness and contrast even when increasing magnification.