October 27-28—SACRAMENTO, CALIFORNIA: 82nd Annual Gem, Jewelry, Mineral and Rock Show; Sacramento Mineral Society; Sat. 10-5, Sun. 10-4
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 Post subject: Schneider L2+ loupe?
PostPosted: Sun Jun 25, 2017 3:17 am 
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Joined: Tue Apr 15, 2014 10:04 pm
Posts: 25
I am heading to Antwerp in October and I was checking the gem equipment sellers over there online. I want to see what are the new tools for grading diamond (rough) as 80% of diamond roughs were traded thru Antwerp. Tonight I came across a seller selling a (new?) Schneider Loupe L2+. There were reports saying that L2 will show a purple tint under daylight fluorescent, which is a trade-off between a 20mm triplet with a thickness reduction from 18mm (L1) to 14mm (L2). The purple tint makes it impossible to accurately grade any color diamonds/ color stones:

https://www.fcresearch.org/a-popular-10 ... ond-color/

Does anyone have any information regarding this L2+ loupe? I meant it is possible under this circumstances to have the L2 loupe modified? Please note: L2+ loupe was not mentioned anywhere in Mr. Harald Schneider's website.


https://www.idavid.be/loupes/h-schneide ... -474.html#
(Picture #2)

Schneider L2+.png
Schneider L2+.png [ 42.69 KiB | Viewed 741 times ]
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