ZWO CS lens 2.8 mm-12 mm F/1.4

  • 2.8 mm-12 mm F1.4 lens suitable for ASI120 MM/MC.
  • This lens has a bigger diameter than the 2.1 mm lens come with ASI120MM/MC, very suitable for meteor capturing.
  • Sale
  • Regular price $38.00

More on the Way in 14 - 28 Business Days

Free Shipping
Add to Wishlist
Already have gear? Trade it in for cash or new equipment.

Accessories Added

OPT Telescope Expert

Want Help?

Ask Our Telescope Experts


ZWO CS lens 2.8 mm-12 mm F/1.4

The ZWO 2.8 mm - 12 mm f/1.4 zoom lens is meant to be used with ASI cameras that have a 0.75-inch sensor diagonal. It has a field of view of approximately 100-degrees which makes it an excellent choice for imaging meteor showers and Milky Way shots. This lens can also be used as an electronic viewfinder for remote setups

In order to attach this lens to your ZWO ASI camera, you will also need the ZWO-M4CS Adapter.


Aperture8.6mm (0.34")
Back Focus12.5mm
Camera/Eyepiece ConnectionCS Mount
Dawes Limit13.49 arcseconds
Focal Length 8 to12 mm
Focal Ratiof/1.4
Free ShippingYes
Image Circle Diameter6.5mm
Limiting Magnitude8.4