Antlia SII 3 nm 36 mm | PixelSkiesAstro
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  • Antlia SII 3 nm 36 mm | PixelSkiesAstro
  • Antlia SII 3 nm 36 mm | PixelSkiesAstro

Antlia SII 3 nm 36 mm

€ 499,00
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Antlia SII 3 nm Pro Narrowband — 36 mm unmounted Antlia's Pro series 3 nm SII filter isolates the sulphur doublet (671.6 / 673.1 nm), separating it cleanly from H-alpha, with OD5 blocking from 300 to 1000 nm for high-contrast SHO imaging.

Manufacturer model: Antlia SII 3nm Pro, 36 mm unmounted · Specifications checked against manufacturer data on 2026-11-03

Antlia SII 3 nm Pro Narrowband — 36 mm unmounted

Antlia's Pro series 3 nm SII filter isolates the sulphur doublet (671.6 / 673.1 nm), separating it cleanly from H-alpha, with OD5 blocking from 300 to 1000 nm for high-contrast SHO imaging.

Specifications

Lines SII doublet, 671.6 / 673.1 nm
Bandwidth (FWHM) 3 nm
Peak transmission Over 88%
Blocking Over OD5, 300–1000 nm
Thickness 2 mm ±0.05 mm
Format 36 mm diameter, unmounted

Manufacturer documentation

Antlia SII 3nm Pro 36 mm

Compatibility notes

Antlia page conflict: prose 671.6 nm vs table CWL 672.4 nm; exact CWL withheld, doublet lines shown.

88245

Datasheet

Blokkering
＞OD5, 300–1000 nm
Formaat
36 mm unmounted
FWHM (nm)
3
Lijnen (nm)
671.6; 673.1
Piektransmissie (%)
＞88
Dikte (mm)
2 ±0.05
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