Antlia RGB Triband 2” Filter
When does the delivery take place?
Delivery times vary depending on the country and destination postal code. They will be shown at checkout and apply only to products currently in stock.
For products marked as Not in stock, processing may take between 5 and 15 days. If delays occur, our customer service will contact you with timely updates.
What are the warranty terms?
All our products come with a 24-month legal warranty. Some brands provide extended warranty. Contact us for more info.
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Can I return a product?
You have the right to return a product within 14 days from delivery, as stated in our Refund Policy. Return shipping costs are the responsibility of the customer. Items must be returned in their original condition and packaging. Please contact us before returning.
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Vai al moduloAntlia RGB Triband 2” – Triple Band Filter for Color CMOS Astrophotography
The Antlia RGB Triband 2” is a triple band filter with three transmission windows on H-Alpha (656.3nm), OIII (495.9/500.7nm), SII (671.6/672.4nm) and NII (654.8/658.3nm). Transmission >92% per band, peak up to 97%. Blocks ≥OD4 from 300 to 1100nm – ideal against light pollution from urban skies with color CMOS cameras.
Technical Specifications
| H-Alpha | >92% @ 656.3nm |
| SII | >92% @ 671.6/672.4nm |
| OIII | >92% @ 495.9/500.7nm |
| NII | >92% @ 654.8/658.3nm |
| Off-band blocking | ≥OD4 @ 300–1100nm |
| Filter thickness | 2mm ±0.05mm |
| Format | 2” (50.8mm) |
| Focal ratio | Up to f/2.0 |
| Recommended camera | Color CMOS |