Svbony Multi-Broadband Filter SV260 2 (SKU: W9194A) all astro filters opinie

859 zł price without VAT: 698,37 zł Shop online: ● ready for shipping  Shop in Warsaw (qty): 6 ● ready for shipping  Shop in Chorzow (qty): 1 ● ready for shipping

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Svbony Multi-Broadband SV260 2" is a professional astronomical filter designed to enable astrophotography in the immediate vicinity of the city. Thanks to the use of the latest optical coating technology, this filter very faithfully reproduces the colors of photographed objects.

This filter combines the ability to almost completely eliminate the unwanted component from sodium and mercury lamps with high transmittance for the most important ranges of the light spectrum emitted by stars and nebulae. It is made on a high-quality optical glass substrate that guarantees the stability of the filter and its high durability.

Note! The Svbony Multi-Broadband SV260 2" Filter is not recommended for visual or solar observations.

Key Features of the Svbony Multi-Broadband SV260 2" Filter

• multi-band filter made on a high-quality glass substrate with a working range of 300 - 1000 nm
• high transmittance in the filter transmittance windows
• excellent efficiency in cutting urban light pollution

Technical parameters

• filter type: multiband filter
• Filter diameter: 2"
• Optical diameter (filter aperture): 44 mm
• filter thickness: 2 mm
• filter shape: round
• maximum transmission: 90%
• blocked light pollution bands: mercury lamps (435.8 nm, 546.1 nm, 577 nm, 578.1 nm), sodium lamps (598 nm, 589.6 nm, 615.4 nm, 616.1 nm)
• equivalent optical density for blocked lines: OD4 (350-400 nm), OD2 (589 nm, 435.8; nm; 589.6 nm), OD 1 (546.1 nm), OD2 (615.4 nm), OD 3 (577 nm), OD 2 (616.1 nm), OD 3 (578.1 nm), OD 4 (720-1100 nm)
• surface finish quality: λ/4
• surface quality index: 60/40
• thread: M48x0.75
• weight: 12.5 g

Set components

• Svbony Multi-Broadband SV260 2" filter

Guarantee

12 months