The 170-degree Replacement Lens by ZWO for ZWO ASI cameras that have a 0.5-inch sensor size. It replaces the lens for the one that comes with the ZWO ASI178MM, ASI178MC, and ASI185MC cameras.

ZWO Note: This is a CS lens, it cannot be used on our cooled camera that has a focus distance of 17.5 mm.

• Use as an all-sky camera in combination with cameras that have a 0.5-inch sensor.
• Focal Length: 2.5 mm.
• Wide-angle: 170-degree lens.