[Rockhounds] USB microscopes

[Rik Dillen]

A high resolution scanner works fine, and has an unexpectedly good depth of focus. On the other hand you don't have the
lighting in your hands. Secondly, make sure to use a transparent foil or so on the glass plate of the scanner, or it
will be scratched from the first time. Results are fine for relatively flat samples that you can put top-down (don't
even think of photographing an okenite specimen that way), with dimensions of at least a few cm. It wouldn't work for
micromounts because of lack of resolution for such a small surface.
It is perfect for imaging polished slabs, jewelry etc.
I used my scanner already several times for that purpose, with good, but not splendid results.
Grts,

Rik DILLEN 
Doornstraat 15,  B-9170 Sint-Gillis-Waas 
Belgium 
E-mail rik.dillen at skynet.be 
Homepage : http://users.skynet.be/rik.dillen 
 


-----Original Message-----
From: rockhounds-bounces at lists.drizzle.com [mailto:rockhounds-bounces at lists.drizzle.com] On Behalf Of Mark Severns
Sent: Tuesday, September 16, 2008 10:31 PM
To: Rockhounds at drizzle.com: A mailing list for rock and gem collectors
Subject: Re: [Rockhounds] USB microscopes

Greetings everyone,
I have not practiced it to date but i hear that scanner images work out well 
for smaller rocks and minerals and jewelry. Maybe a member can share their 
successes and any challanges in using a scanner for images.
 Mark in Arizona

----- Original Message ----- 
From: "Lawrence Rush" <larryrush at worldnet.att.net>
To: "Rockhounds at drizzle.com: A mailing list for rock and gem collectors" 
<rockhounds at lists.drizzle.com>
Sent: Tuesday, September 16, 2008 12:57 PM
Subject: [Rockhounds] USB microscopes


> We have probably all seen the microscopes that plug into a PC via a USB 
> port that are now used for medical and dental purposes. They can do a 
> video (avi) or a still (gif/bmp) format. Has any one tried one of these 
> for capturing micro-mount pictures? They are advertised as able to go up 
> to 200X for as little as $100. If it works, it could simplify the digital 
> camera technical and expertise problems by eliminating the camera 
> altogether for close-up work.
>
> Larry Rush
> -- 
> _______________________________________________
> Rockhounds at drizzle Mailing List
> Subscription Services:
> http://lists.drizzle.com/mailman/listinfo/rockhounds
> List Home Page, with a link to the List Usage Policy:
> http://www.eclecticlapidary.com/Rockhounds/index.html 

-- 
_______________________________________________
Rockhounds at drizzle Mailing List
Subscription Services:
http://lists.drizzle.com/mailman/listinfo/rockhounds
List Home Page, with a link to the List Usage Policy:
http://www.eclecticlapidary.com/Rockhounds/index.html