ZWO
ZWO 1.25" Narrowband Filter Set - Ha, OIII, SII
ZWO 1.25" Narrowband Filter Set - Ha, OIII, SII
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Product Description
The ZWO 1.25" Narrowband Filter Set – Ha, OIII, SII is a premium astrophotography filter kit designed for monochrome CMOS and CCD cameras. Featuring 7nm narrowband filters, this set isolates the Hydrogen-Alpha (Ha), Oxygen III (OIII), and Sulfur II (SII) emission lines to capture stunning nebulae with exceptional contrast while effectively reducing light pollution. Manufactured with high-quality optical glass and multi-layer anti-reflection coatings, these filters deliver sharp, high-contrast images for professional SHO (Hubble Palette) deep-sky imaging.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Narrowband Filter Set |
| Filter Size | 1.25" (M28.5 × 0.6) |
| Included Filters | H-Alpha (Ha), Oxygen III (OIII), Sulfur II (SII) |
| Bandpass | 7nm (All Filters) |
| Glass Material | Premium Optical Glass |
| Coating | Multi-Layer Anti-Reflection Coating |
| Thread Size | M28.5 × 0.6 |
| Compatible Cameras | Monochrome CMOS & CCD Cameras |
| Compatible Accessories | 1.25" Filter Wheels & Filter Drawers |
| Best For | Emission Nebulae, SHO Imaging, Deep-Sky Astrophotography |
| Light Pollution Reduction | Yes |
| Brand | ZWO |
What's Included in the Box
Filter: ZWO 1.25" H-Alpha (Ha) Filter
Filter: ZWO 1.25" OIII Filter
Filter: ZWO 1.25" SII Filter
Storage: Protective Filter Case
Why Buy from Sky Deep Co.?
Sky Deep Co. is Pakistan's only authorized ZWO dealer and the Official Learning Partner of the Lahore Astronomical Society. We provide 100% genuine ZWO products, expert guidance, nationwide delivery, and dependable after-sales support. Whether you're starting monochrome astrophotography or expanding your imaging setup, Sky Deep Co. ensures authentic equipment, competitive pricing, and trusted service for astronomers across Pakistan.
FAQs
Is this filter set compatible with color astronomy cameras?
No. This filter set is designed for monochrome CMOS and CCD cameras for SHO imaging.
What does the 7nm bandpass provide?
The 7nm bandpass blocks unwanted light pollution while capturing only the specific emission wavelengths of nebulae, resulting in higher-contrast images.
Which celestial objects are best suited for these filters?
These filters are ideal for imaging emission nebulae such as the Eagle Nebula, North America Nebula, Rosette Nebula, and other deep-sky objects.
Can I use these filters with a 1.25-inch filter wheel?
Yes. They are compatible with most standard 1.25-inch filter wheels and filter drawers.
Is the ZWO 1.25" Narrowband Filter Set available in Pakistan?
Yes. Sky Deep Co. supplies genuine ZWO filters in Pakistan with official warranty and expert after-sales support.
