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In Reply to: RE: For $18.98........ posted by Awe-d-o-file on March 27, 2015 at 07:15:23
I use one these USB microscopes. It can take good close up pics of a stylus, but it does take some work to get the position of the cartridge in the right place to get a good picture of the stylus in focus.
Do you use some sort of stand to hold the cartridge steady?
TR
Follow Ups:
Can you get a good image of the area that actually contacts the grooves? I've used microscopes that let you look down from the tip of the diamond and as you change focus, sort of scan down along the contact area to see how much (and what type of) wear there is. If that can be done for under $20, it's remarkable.
It is difficult, but possible. Lighting is the hard part to get correct and having a good concept of what the facets should be on a particular type of stylus is paramount. The styluses I have looked at had even wear on both sides of the stylus, a good thing at least. Getting a good photo head on is another matter. I did have one cartridge I bought several months ago and when I looked at the stylus, it was worn so severely, it looked like a round bump.
Here is a pic of a stylus on a Kontrapunkt A with about 600 hours. Not sure what I'm looking at, though. Still played nicely.
TR
Sure, its up to you how you set the image to be taken. Bluetack or ropecaulk or similar to hold it in place.
E
T
The scope is on a stand on a table and the cart was on the table in the first pic then elevated a bit on a box of Trident gum to get it closer on pics 2/3. These are my first images so I'll need more practice. Bluetack is good to hold the "subject" where you want it as is non-hardening rope caulk or similar. Thanks!
E
T
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