The article details telescope maker Jerry Oltion's construction of a giant Astroscan telescope. According to the author, although Oltion's Astroscan is not portable like its predecessor made by Edmund Scientific, it does have four times the power off...
my Astroscan has serial number #2986. I have still the original invoice from the previous owner. It was purchased at edmund scientific co. on december 14th. 1976 for 129.95 USD. Due to delivery problems with the 28mm RKE eyepieces, this scope was delivered with an 18mm ...
warning label on the focuser. Where the secondary holder attaches to the optical window is marked "Astroscan" in red across the middle with a "TM" over the "n". Below that is "PAT. PEND." Above those around the periphery is "EDMUND SCIENTIFIC CO". "Barrington, N.J...
On the plus side, a cheapo telescope is virtually certain to be a "terrestrial" type, which'll show you things the right way up. "Astronomical" telescopes (including the Astroscan) normally show things upside down, because that's the simplest way to build the optics; it minimises loss of...
The article details telescope maker Jerry Oltion's construction of a giant Astroscan telescope. According to the author, although Oltion's Astroscan is not portable like its predecessor made by Edmund Scientific, it does have four times the power offered by Edmund's version. Oltion reveals that...
Edmund Scientific put it out there and demand was beyond expectations. Lots of examples are out there. Early ones could sometimes come with an eyepiece worth more than the telescope. I don't know what you paid for yours but lots of them exist. ...
"The Edmund Astroscan Wide Field Telescope", Rev. 9/77; "Star Checking your Edmund Telescope", Rev. 9/77. It came with three eyepieces: A 1 1/8 focal length, probably Kellner with the body style that came with my 1957 Edmund 4 1/4 reflector (not RKE); an Eds...