KDEL ENTERPRISES

515 North Service Road, Ste.2403

Mississauga, Ontario

L5A 1B3 Canada ph.(905) 277-3044



PRE ORDER SALE!


Now just $395

A Superior Foucault/Caustic Tester





CNC machined with the tightest tolerances for the utmost precision. German designed and made from 6061 aluminum. Note the slit is directly above the knife edge yielding no astigmatism. Uses two 1/1000th of an inch micrometers and can measure 1/20 wave with the foucault test and up to 1/100 wave with the caustic test. Now it is affordable to own the best equipment for your optical testing. Introductory price is $395 USD plus S&H. Interested inquiries can be emailed to Send Email With Foucault Tester in the subject line. Payment can be made by Paypal using the Paypal button.
Get your order in now for our next production run in the spring. All funds secured with Paypal.

Regular price is $595.




Paypal logo



web counter

Keywords: foucault tester knife edge tester knife-edge tester ronchi tester caustic tester ronchi caustic mirror making telescope catadioptric newtonian gregory schmidt cassegrain parabola sphere testing apparatus dial indicator micrometer slit radius of curvature focal length autocollimation polishing mirror maker pitch lap cerium oxide amateur telescope maker zones test mask grinding grit micron powder wet grinding stand tool plate glass pyrex astro sitall astrositall sagitta abrasives silicon carbide pitch squares optics testing equipment pinhole testing and correcting turned edge oblate spheroid ellipsoid paraboloid hyperboloid figuring waves mirror correction making pitch squares shadows lens lense secondary primary effective focal length shadow appearance inside focus outside focus zonal measurements light beam light source dog biscuit spider web stroke length grinding stand concave convex mirror blanks turned down edge turned up edge shadow test spherical aberration wavelength of light collimation baffle tubes maksutov gregorian meniscus reflecting refracting light rays coma astigmatism curvature of field distortion mirror blanks mirror making kits razor blade upper curve lower curve paraboloidal curve centre zone image shadow patterns cone of light correction curve measured curve hyperbolic edge eliptical edge ellipsoid oblate edge central hill aspherized radius testing spherometer



TM logo Telescope Making
Web Ring
Next | Previous | Random | List Sites
Next 5 | Previous 5 | Join