Newton-Spiegel
450/2000 mm (f/4,4)

Refraktor
105/1650 mm (f/15,7)

Meade LX 200
305/3048 mm (f/10,0)

Flat-Field-Kamera
190/760 mm (f/4,0)

Schmidt-Kamera
136/225 mm (f/1,65)