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Hey! You can just pretend that the smog is fog and take a great pic!![]()
Enjoying the pics...keep 'em comin'!
Ivan, I've updated my album if you want to see more. Oh, now Vic! That is just lovely! How did you make your telescope?
Ivan, I've updated my album if you want to see more. Oh, now Vic! That is just lovely! How did you make your telescope?
Ivan, I've updated my album if you want to see more. Oh, now Vic! That is just lovely! How did you make your telescope?
Ground, polished, figured the mirror by hand, measured the optics with a homemade Foucault tester, put together a tube out of 1/8th in plywood, mounted on a Rube-Goldberg type equatorial mount.
In small steps it isn't too hard. I used Texerau's classic book "How to Make a Telescope" as the main reference. Other than the thick pyrex glass and the various grades of grinding compound, everything else I found or made at home. I already had a set of eyepieces from an earlier project.

Ivan, I've updated my album if you want to see more. Oh, now Vic! That is just lovely! How did you make your telescope?
Ground, polished, figured the mirror by hand, measured the optics with a homemade Foucault tester, put together a tube out of 1/8th in plywood, mounted on a Rube-Goldberg type equatorial mount.
In small steps it isn't too hard. I used Texerau's classic book "How to Make a Telescope" as the main reference. Other than the thick pyrex glass and the various grades of grinding compound, everything else I found or made at home. I already had a set of eyepieces from an earlier project.
Or you could just go to Walmart.![]()
Ground, polished, figured the mirror by hand, measured the optics with a homemade Foucault tester, put together a tube out of 1/8th in plywood, mounted on a Rube-Goldberg type equatorial mount.
In small steps it isn't too hard. I used Texerau's classic book "How to Make a Telescope" as the main reference. Other than the thick pyrex glass and the various grades of grinding compound, everything else I found or made at home. I already had a set of eyepieces from an earlier project.
Or you could just go to Walmart.![]()
I don't know about other Walmarts but our store no longer has them.
Ivan, I've updated my album if you want to see more. Oh, now Vic! That is just lovely! How did you make your telescope?
Ground, polished, figured the mirror by hand, measured the optics with a homemade Foucault tester, put together a tube out of 1/8th in plywood, mounted on a Rube-Goldberg type equatorial mount.
In small steps it isn't too hard. I used Texerau's classic book "How to Make a Telescope" as the main reference. Other than the thick pyrex glass and the various grades of grinding compound, everything else I found or made at home. I already had a set of eyepieces from an earlier project.
Do you have your own private stash of icons hidden somewhere? You ought to share more!![]()
Vic, that's crazy cool. How long did it take you? It would seem the hard part was the shape of the lenses? How did you do that?
Vic, that's crazy cool.
Vic, that's crazy cool. How long did it take you? It would seem the hard part was the shape of the lenses? How did you do that?
It's Newtonian reflector, so the main optical element is an 8" diameter mirror. Same basic design as the Mt. Palomar telescope.
It took me about a six weeks of evenings for the optics. You grind for a hour or so at a time, then let the temperature stabilize for optical tests. It's not something you can rush.
But I had more fun than buying one. And I don't think Walmart ever had 8" telescopes.![]()
Sweet! You should start an album on your user space! I'm doing mine as we speak!
I might look into it but I already post photos elsewhere and it might only add to my work. lol