Small plano-concave glass substrates

Posted on May 10th 2017 at 13:18

We need to have small glass substrates fabricated for us. The parameters are: diameter of 2-4 mm (3 mm preferred)with 0.1 mm tolerance, center thickness of 0.5-1.5 mm (1 mm preferred) with 0.1 mm tolerance. The substrate has to be plano-concave, with the concave side having a ROC of 25-40 mm (25 [...]

Optics

Eyepiece w/ Cross Hair for Sighting Scope

Posted on Apr 18th 2017 at 03:36 Modified on Apr 19th 2017 at 04:31

We're adding a basic sighting scope to the back of one of our pyrometer instruments, and I am looking to source an eyepiece with a simple cross hair graticule. Ideally this would be an off the shelf assembly that could be integrated into the back of our existing SS housing. Some focusing adjustme [...]

Optics

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