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Posts Made By: Mike Greytak

April 12, 2002 06:14 AM Forum: Equipment Talk

Eyepiece Parfocalizing

Posted By Mike Greytak

Where can parafocal rings be found? My discombobulated collection seems to constantly whisper for me to hunt down some rings.

How many people bother to parafocalize their eyepieces?

rgds mike g


August 17, 2003 05:38 PM Forum: Telescope Making

Need Mirror cell Vendor

Posted By Mike Greytak

Obsession does not list mirror cells in their components page, but it certainly would not hurt to call or e-mail Dave Kriege, Phone: (920) 648-2328 (Fax line also)


I have been following the developments of Ed Taychert's new scope company. I have no direct experience with his equipment, but I expect it to be of high quality. http://www.Tscopes.com/

good luck and let us know what you end up doing.
mike g

October 23, 2003 03:42 AM Forum: Telescope Making

Truss Size

Posted By Mike Greytak

That depends upon your definition of typical.

In THE BOOK ; The Dobson Telescope by Kringe & Berry, 1.25 inch tubes are not required till you get up to a 20 inch mirror. 14.5 in. to 17.5 scopes would only require a one-inch tube set. 14 and smaller can get buy with 7/8 of an inch.

Thinner mirrors and innovative construction methods and materials, have lightened up the total assembly enough to allow quite a few amateur scope builders to use truss tubes smaller than recommended by K & B.

mike g