Vixen - ED100Sf 100mm ED Apochromatic Refractor Telescope Package

with GPD2 Mount

The ED 100Sf is now available for the first time in the US. It is the big brother of our best
selling ED80Sf. This APO refractor features high-grade glass and quality components.

Coupled with a medium f/9.0 focal ratio, the ED "S" series provide a sharp, color-free image of
high contrast. For the astronomer that wants the best value f or the dollar in a 4” APO, this is
the one to get.
TELESCOPE SPECIFICATIONS

•	Design: Refractor, ED Apochromatic
•	Objective Diameter: 1000mm
•	Focal Length: 900mm  F/9
•	Diagonal: 1.25” Star Flip Mirror
•	Includes Deluxe Metal Case 
•	Finder Scope: 9 x 50
•	Focuser: 2” ready Rack and Pinion 
•	Built in Dew Shield
•	Includes Rings and Universal GP Dovetail to fit all Vixen and many other mounts
•	Weight: 8.2 lbs 


 

GPD2 Mounts



The GPD2 equatorial mount is the stronger and heftier of the GP mounts. With
it’s solid steel R. A. and Declination axes and brass worm gears this mount
will hold up to years of heavy use. In order to assure accurate tracking for
astrophotography the worm, gears are especially machined to a very high
precision that minimizes periodic error.

The GPD2 holds almost 50% more weight than the GP2 and comes standard with
tripod and counterweight. It is easy to use and functions well for both the
visual observer and astrophotography. Motion is controlled by included
control knobs for accurate slewing. The polar altitude adjustment varies from
0° to 62° in altitude.

MOUNT SPECIFICATIONS

•	144 Tooth Brass Worm gear in RA and Dec machined to 1/2000mm of precision, Axes Made of Steel
for Strength and Durability
•	Full Height Tripod operating range from 25.25” to 38.75”
•	Includes slow motion handles for easy tracking
•	Mount, Tripod and Counterweight Weight: 46.3 lbs
•	Mount Capacity: 50 Lbs
•	Includes 1-4.2 lb and 1-8.2 lb Counterweight
•	Includes Polar Axis Finder and Setting Circles  
•	Universal GP Plate receiver allows many telescopes to mount
•	Optional: Drive Motors