Length of the dew shield from front to back: 82mm
Outside diameter of scope behind dew shield (for dew heaters): 76mm
Minimum length for dew heater (circumference): 9.4”
Length of optical tube
Dew shield retracted and focuser retracted (from rotator ring): 223mm
Dew shield extended and focuser extended (from rotator ring): 348mm
Dew shield retracted and focuser extended (from rotator ring): 298mm
Dew shield extended and focuser retracted (from rotator ring): 273mm
Focal length: 360mm
Dew shield outside diameter: 80mm
Weight of scope without field flattener: 3lbs 11oz
(Weight includes the 2” and 2” to 1.25” eyepiece
adapter.)
Weight with field flattener: 3lbs 13oz
The Apertura 60EDR is an f/6 apochromatic
doublet utilizing two elements of FPL-53
glass. It has a lens diameter of 60mm, a
focal length of 360mm, and weight of 3lbs
and 13oz with the field flattener attached.
THE SCOPE
TUBE MEA
SUREMENTS
60EDR & FIELD FLATTENER: TECH SPECS
