The APO130f7-P TS PHOTOLINE 130mm f/7 Triplet APO with FPL-53 and 2.5" RPA focuser can be centered (adjusted) very sensitively.
The APO130f7-P TS PHOTOLINE 130mm f/7 Triplet APO with FPL-53 and 2.5" RPA focuser can be centered (adjusted) very precisely. Tension and compression screws are provided on the lens cell for this purpose.