.BK7 Round Window

.What is BK7 Optical Glass:

BK7 (K9) is an excellent lens material for most visible and near infrared applications. It is the most common borosilicate crown optical glass, and it provides great performance at a good value. Its high homogeneity, low bubble and inclusion content, and straightforward manufacturability make it a good choice for transmissive optics.

.Key Features Of BK7 Glass:

1.Most Common And The Cheapest Optical Glass You Can Get.

2.Great Optical Properties:  Great Transmittance From 300nm~2200nm;

3.Easy To Process, Many Shapes Can Be Chosen.

4.Short Lead Time.

.Typical Applications:

1.Lens Cover(AR Coated);

2.Optical Shield(Uncoated);

3.Laser Appilication(Coated)

4.Screen Panels(Coated) 

5.View Ports

.About Our Materials:

Our materials are purchased from the most biggest optical materials supplier in the world: CDGM Optical Glass. The glass from CDGM have similar optical properties as Schott Glass with lower price, to save our customer's buget, we consider CDGM Optical Glass first! If you still want to use Schott Glass, Please tell us with the specifications in the drawings!

We can custom all series optical materials from CDGM,  Just tell us the trade mark of the glass.If you don't know the mark No. please seek in the catalog of CDGM Glass.

Download CDGM Optical Glass Catalog