Diagonal mirror , with 90º inclination and internal dielectric mirror. The dielectric treatment of the mirror guarantees a light reflectivity of 99% , this feature allows us to observe perfectly bright, sharp and contrasted images.
 
It incorporates the Quick Lock quick fixing system, essential so that the eyepiece is firmly inserted and does not move at any time during the observation. Fixation is achieved thanks to the strength of the inner rings and only by turning the system until we notice that the eyepiece does not move. It is also suitable for inserting other accessories such as barlow lenses.