Collection: Barlow lenses

The Barlow lenses They lengthen the focal length of the telescope. They are often used to achieve two different magnifications with a single eyepiece. By attaching a x2 Barlow lens to an eyepiece, double the magnification is obtained.

In the case of astronomical telescopes, the image is generated inverted with respect to the horizontal and/or vertical. Although it is not relevant for astronomical observation, it is essential for terrestrial observation. The investment lenses They project the image of upright and standing.