Optolong L-Pro 1.25" Anti-Light Pollution Filter
When will I receive it?
Products marked In stock are dispatched promptly — the exact delivery estimate for your address is shown at checkout, before you confirm the order.
For international shipments, delivery times depend on the destination and are always displayed at checkout before payment.
Products marked Available on order require 5–15 business days for processing. Our team will keep you updated promptly if anything changes.
What are the warranty terms?
Shop with confidence: all our products include a 24-month legal warranty for conformity defects, managed directly by our team.
Many brands also offer extended warranty coverage beyond 24 months — contact us to find out the specific terms for the product you're interested in.
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Can I return a product?
Yes: you have 14 days from delivery to return any product and receive a full refund — see our Refund Policy for full details.
Items must be returned in their original condition and packaging. Return shipping costs are the customer's responsibility.
Not sure which product is right for you? Contact us before buying — we'll help you find the perfect instrument so you won't need to return anything.
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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 |