Lente di Barlow 3x Acromatica Bresser 31,7 mm

Bresser 3x Achromatic Barlow Lens allows increasing the effective focal length of the telescope 3 times and getting maximum magnification when observing the Moon and planets! It also reduces image distortion to a minimum.

The lens is made of high-quality optical glass with multi-layer coating that reduces the loss of light to a minimum and provides maximum brightness and contrast of the resulting image. It is designed for use with standard 1.25" eyepieces.