ZWO ASI lens, 2.8mm – 12mm is a versatile CS-mount lens specially designed for uncooled ZWO ASI cameras with CS mount. With a variable focal length from 2.8 to 12 mm and an aperture ratio of f/1.4, this lens is perfectly suited for capturing wide sky areas — ideal for meteor hunters, all-sky observations or timelapse recordings of the night sky.
With a maximum field of view up to 100°, you can capture large portions of the sky, depending on your sensor format. The lens is fast, manually adjustable and quickly deployable in setups without a telescope.
✓ Suitable for ZWO ASI cameras with CS mount
✓ Adjustable focal length: 2.8–12 mm
✓ Wide field of view up to 100° – perfect for meteors and all-sky
✓ Fast aperture (f/1.4) – suitable for night shots and timelapse
✓ Compact and light – ideal for mobile or passive setups
Application
This lens is intended for use without a telescope and fits directly on:
- ZWO ASI cameras with CS or C-mount adapter
- Projects such as all-sky monitoring, weather stations, meteor detection
- Time-lapse or wide-field imaging of the firmament
Specifications
- Mount type: CS-Mount
- Focal length: 2.8 – 12 mm
- Aperture ratio: f/1.4
- Field of view: up to 100° (depending on sensor format)
- Compatibility: ASI120MM, ASI290MM, ASI462MC and others with CS mount
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