180 degree FOV 1/2" 1.55mm f2 cs mount, IR corrected Allsky Camera lens giving a full 180+ degree field of view.

• Clear bright and sharp image from horizon to horizon for your Allsky Camera.
• Capture meteors, aurora, space stations and satellites over the entire sky.
• 1/2" camera chip will give you a full 180 degree plus image circle.
• 1/3" chip will have slightly clipped top and bottom edges.
• Fits Altair, ZWO, QHY and other Allsky CMOS cameras.
• Colour or mono NIR corrected.