A barlow lens multiplies the telescope´s focal length and the magnification for observations of the moon, planets or small deep sky objects. It enables you to use eyepieces with a long focal length and therefore comfortable eye relief for high magnification. BRESSER SA Barlow lenses These Barlow lenses with four lens elements provide an excellent image quality throughout the whole field of view and are therefore an optimal tool for observation and imaging.
|Connection (to the telescope)||2"|
|Coating of optical system||multiple|
|Number of lenses||4|