The BUSCA Shutter

BUSCA Shutter

The shutter is a removable drawer-like unit. The flat part is inside the instrument housing (the cube) and the left hand side box (with motors/encoders) outside.

Aperture size 110mm x 109mm
implemented/delivered Dec. 1998
Instrument Bonn University Simultaneous Camera ( BUSCA)
Telescope 2.2m
Observatory Calar Alto