BORG 72FL visual/prime focus set. EMS/EZM-ready package. The package is optimized for erecting mirror diagonals such as EMS and EZM. It should be suitable for binoviewer setup as well. So main tubes are slightly shorter than the regular setup.
Aperture : 72mm Canon Fluorite apochromat
Focal length : 400mm
F-ratio : 5.6
Lens configuration : 2 elements in 2 groups
Coating : Fully multi-coated
Physical length : 310mm
Tube diameter : 80mm
Weight : 1.1kg
Filter : 77mm
Parts included : 2576, 7151, 7026, FTF-BORGII & FTF2020BCR
