Erhard Hännsgens 1.07 Meter f/4.5 Dobson
Total weight of scope: 350 kg (770lb)
The back side with 4 fans and the 3 collimation bolts. Erhard preferred a closed
mirror cell design to minimize dust formation on the mirror
The front side with the secondary removed
The 42.1" primary is just 56 mm (2.2") thick and weights 98 kg (216
lb)
The 8" secondary mirror
Transport in a trailer. All components fit nicely and are secured with belts.
More Pictures from ITV 2003
More Pictures from setup and break down procedure ITV 2003
.