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Reasons behind the choices Cosina makes
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![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
User comments that express admiration for our products
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Intent on both making good products and keeping the environment clean
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Lens esthetics
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
“Ink coating” that accentuates the eye line
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Cementing elements by assessing the center
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Special coatings applied to prisms
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Instruments and skills used in vacuum deposition
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Optical elements wrapped in transparent sheets
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Air, glass, and antireflection coatings
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Making glass nobody has ever made
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)