Optolong L-Pro 1.25" Anti-Light Pollution 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 moduloOptolong L-Pro 1.25” – Light Pollution Filter for Astrophotography
The Optolong L-Pro 1.25” is a broadband LPS filter in 1.25” (31.8mm) format that selectively suppresses the main emissions of artificial light sources – sodium (589nm), mercury (435/578nm) and LED – while preserving natural color rendition. Ideal for emission nebulae, galaxies and star clusters from urban and suburban locations.
Technical Specifications
| Filter type | Broadband LPS (anti-light pollution) |
| Format | 1.25” (31.8mm) |
| Clear aperture | 26mm |
| Blocked lines | Na 589nm, Hg 435/578nm, LED |
| Substrate | Schott glass |
| Surface quality | 60/40 (MIL-O-13830) |
| Wavefront RMS | 1/4λ |
| Parallelism | <30" |
| Recommended cameras | DSLR, CCD/CMOS color and mono |
| Ideal locations | Urban, suburban, light-polluted rural |