![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
NEWS ニュース
![](https://www.cosina.co.jp/wp/wp-content/themes/cosina_v1/assets/img/news/cover.jpg)
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
How optical elements are perfectly centered
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Annealing to cure optical glass (1)
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Cosmetics for clean lenses
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Diatomite heating trays
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Molds and tools for making lens blanks
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Press-molding at 700ºC
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Barrel polishing to a uniform size, weight, shape and grain
![](https://www.cosina.co.jp/wp/wp-content/uploads/2017/07/APOLANTHAR誕生の歴史.jpg)
APO-LANTHARの誕生の歴史
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Adamant about cutting glass blanks by hand
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Careful inspection of glass materials
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)