Sep 17, 2024 · Home built spherometer - posted in ATM, Optics and DIY Forum: I needed a very accurate spherometer for the secondary that Ive been struggling with. In any event, they are quite …

Mar 10, 2019 · How to make a $2 spherometer: - posted in ATM, Optics and DIY Forum: Background: Measuring the central depth does not tell us if a curve is spherical or where it deviates high and low. …

Feb 23, 2015 · Page 1 of 2 - spherometer - posted in ATM, Optics and DIY Forum: Anyone know were I can find a reasonably priced spherometer? Wanted to try to make my first mirror but did not want to …

Aug 25, 2007 · Page 2 of 2 - Spherometers: A Technical question about diameter - posted in ATM, Optics and DIY Forum: I just epoxy the ruby balls to a 1/4-20 stainless cap screw and lock it down …

May 25, 2020 · I believe my old 3D printed spherometer base was so light that the spring plunger actually lifted the entire spherometer ever so slightly to make my readings move. Now that my …

Sep 15, 2009 · Spherometer Question - posted in ATM, Optics and DIY Forum: I am ready to build a sphereometer (used to have one, but that is a different story) for use in grinding a 20 f/4 mirror. The …

Jan 6, 2013 · home built spherometer - posted in ATM, Optics and DIY Forum: this is my home built spherometer. thanks youtube uploaders; to carluchoparis for the construction, and gordon waite for …

Jan 17, 2018 · Page 1 of 6 - Pulley for a spherometer - posted in ATM, Optics and DIY Forum: I want to build a spherometer however Im having trouble finding a local source to buy an appropriate size …

Apr 4, 2019 · Telescope Mirror Testing - posted in ATM, Optics and DIY Forum: I am grinding an 8 inch f/6 telescope primary mirror. A spherometer was used to check the curvature of the mirror during the …

Nov 4, 2021 · The spherometer, measure the total distance from zero plate, depends on the type and indicator (+/-.001" to +/-.0005") Spherometer with set gage (precision) blocks to zero indicator, (+/ …