Description
The thickness is 7mm so you can use C or CS lens with ASI cameras depending on the required backfocus. The backfocus of a C lens is 17.5 mm and of a CS lens it is 12.5mm.
![](https://i.zwoastro.com/wp-content/uploads/2022/07/a5faecf11a05637abb3e389674184d94.jpg)
![](https://i.zwoastro.com/wp-content/uploads/2022/07/3a67a187afefd529188015386bcc430c-300x300.jpg)
The thickness is 7mm so you can use C or CS lens with ASI cameras depending on the required backfocus. The backfocus of a C lens is 17.5 mm and of a CS lens it is 12.5mm.
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