Borg 77mm & 101mm Astrographs

Borg 77EDII & 101ED Astrographs.

Two Astrographs Optimised For Digital
Imaging.
Reviewed In The March 2008 Issue Of Sky & Telescope.
 

The Borg 77mm & 101mm Astrographs were reviewed by Alan Dyer in the March 2008 issue
of Sky & Telescope. Central to the astrographs is the Borg ED F4 Super reducer for digital
imagers below.

Features:
4 elements including one ED element
Completely covers 35mm full format sensors
Built-in filter holder and camera rotator
Optimized for Borg 77ED, 101ED and newly designed 125SD
Compatible with M57 Feather Touch Focuser, which allows motorized focusing
Works with Takahashi FS series. Selected adapters and tubes are available through SCS
Astro.

The astrographs are available with 77EDII, 101ED and 125SD objective lenses and can be
supplied with Borgs 7835 Helical Focuser or Starlight Instruments Feather Touch Focuser. The following would be off-the-shelf solutions for use with a Canon DSLR. Nikon and other
camera options are available.

Borg 77EDII F4.3 Astrograph with Borg Helical Focuser:
2178 + 7135 + 7749 + 7704 (Front) + 7835 + 7704 (Rear) + 5005 + Canon DSLR

Borg 77EDII F4.3 Astrograph with Feather Touch Focuser:
2178 + 7135 + 7749 + 7704 (Front) + 7459 + FTF-57 + 7459 + 7704 (Rear) + 5005 + Canon DSLR

Borg 101ED F4.1 Astrograph with Borg Helical Focuser:
2101 + 7135 + 7749 + 7704 (Front) + 7835 + 7704 (Rear) + 5005 + Canon DSLR

Borg 101ED F4.1 Astrograph with Feather Touch Focuser:
2101 + 7135 + 7749 + 7704 (Front) + 7459 + FTF-57 + 7459 + 7704 (Rear) + 5005 + Canon DSLR

You are buying from an authorized Hutech/Borg UK dealer.