NEW 120mm SPHERICAL PRIMARY MIRROR + CELL FOR ASTRONOMICAL REFLECTOR TELESCOPE For Sale
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NEW 120mm SPHERICAL PRIMARY MIRROR + CELL FOR ASTRONOMICAL REFLECTOR TELESCOPE:
$29.99
THESE ARE BRAND NEW 120mm SPHERICAL PRIMARY MIRRORS+ HEAVY DUTY MIRROR CELLFIRST 2 PHOTOS ARE THE ACTUAL ITEM IN THE LISTING3RD AND 4TH SHOW THE ACTUAL MIRROR SHIPPED INSIDE THE CELL/P>Mirror Cell Outer Dimensions: 145mmMirror Cell Inner Dimensions: 140mmHeavy Duty Mirror Cell with Push/Pull Collimation ScrewsMetal Housing
Mirror dimensions: 120mm Diameter
Diffraction Limited L4 (1/4 wave in Sodium Light)
Plate Glass
Aluminized(92%) and SiO(Quartz Overcoat)
Resolving Power(arc seconds): .97
FL (focal length) 1000mmPre Set Collimation DotHand Crafted and Ronchi Tested for high ReflectivityResolving Power (arc seconds): .97
Please see other listings for secondary mirrors for those that like to build their own telescopes.
FREE ship rate is for within the Continental U.S.
Thank you, Mary
