Inexpensive but quality

This attractively priced diagonal has all the advantages of the big ones at a reduced price.
Its dielectric aluminum coating at lambda L/10 will return 99% of the light received to limit the loss of light as you could have with lower end star diagonals.

Its ring clamp will hold your eyepieces in any condition while keeping them well in the optical axis.

Features

•     Sinking 1.25"
•     Dielectric aluminum mirror with 99% reflectivity
•     Ring clamp
•     Good finish
•     Very good value for money