ZWO Filters Duo-Band 2 inch improve your deep-sky photography in urban areas
Using a color camera and want to photograph emission nebulae without switching to a mono camera and filter wheel? Then the ZWO Duo-Band 2″ is a smart, direct upgrade. This filter combines Hα and OIII peaks in one filter, specially tuned for ZWO ASI color cameras like the ASI294MC Pro, ASI2600MC Pro or the Seestar S50 (with adapter).
The Duo-Band 2″ filter is particularly suitable for:
- Photography in light-polluted areas
- Nebulae and other deep-sky objects with pronounced Hα or OIII signatures
- Simple mounting without motorized filter wheel
With high transmission in both bands and excellent light blocking around them, you get a clearer image with more contrast, even under moderate sky conditions.
What You Can See / Photograph
✓ Emission nebulae like the Rosette Nebula, North America Nebula and Veil Nebula
✓ Planetary nebulae like the Helix Nebula
✓ Supernova remnants (like IC443)
✓ Deep-sky objects with strong OIII or Hα emission
✓ Better results under moderate or heavy light pollution
Specifications
| Property | Value |
|---|---|
| Filter type | Duo-band narrowband filter |
| Format | 2 inch (50.8 mm) |
| Housing | Aluminum |
| OIII transmission | >90% at 486-501 nm |
| Hα transmission | >80% at 656.3 nm |
| Bandwidth | OIII: 35 nm, Hα: 15 nm |
| Application | Deep-sky photography with color camera |
| Visual use | Possible, but primarily photographic |
| Compatibility | All 2″ filter holders and ZWO color cameras (MC) |
| Design | UHC-type Duo-band design |
Reviews
There are no reviews yet.