Optical Info
Optical DesignNewtonian
Mirror CoatingsRadiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity
Glass TypeBorosilicate
Primary Aperture (mm)305
Primary Edge Thickness38mm
F/Ratio4.9
Focal Length (mm)1500
Secondary Diameter70mm
Secondary Obstruction (by diameter)23%
Secondary Obstruction by Area5%
Observational Info
Dawes Limit0.38
Rayleigh Limit0.46
Limiting Mag.14.9
Minimum Magnification43
Maximum Magnification600
Light Gathering (compared to next size down)44%
General Info
Focuser2" Crayford
OTA Length (Retract/Ext.)36"/55"
OTA Outer Diameter14.25"
OTA Weight (with accessories)46.2
Dob Base Weight38.3
Dob Base Measurements29"x25"
Zenith Eyepiece Height55.5"
Accessories
Included Finder8x50 RACI
Included DiagonalNo
Included Eyepieces25/10 Plossl
Magnification w/ Included Eyepieces60x/150x
Included CaseNo
CorrectorNo