SPECIFICATIONS for the E-180 (Tube assembly only) Effective aperture 180mm diameter Primary mirror 190mm diameter Secondary mirror 80mm diameter Effective focal length 500mm Effective focal ratio f/2.8 Image circle 44mm diameter Image across field 10 microns Metal back distance 56mm Diameter of main tube 232mm [9.13"] Length of main tube 570mm [22.44"] Weight of main tube 10kgs. [22lbs.]

SKU	Description	Price	Add
Takahashi Epsilon 180-ED Astrograph
TEK0180	Epsilon-180ED f/2.8 Hyperbolic Flat-Field Astrograph OTA. This super-fast, 7" astrograph has a cutting edge, state of the art ED corrector. Perfect for use with CCD cameras and 35mm digital SLR cameras. This astrograph will produce 10 micron stars across the entire field. Shown with the EM200 mount, not included.	$4,239.00