Antlia H-Beta - OIII 1.25" | PixelSkiesAstro
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  • Antlia H-Beta - OIII 1.25" | PixelSkiesAstro
  • Antlia H-Beta - OIII 1.25" | PixelSkiesAstro

Antlia H-Beta - OIII 1.25"

226,00 €
TTC

Antlia H-beta & OIII Filter — 1.25" mounted The Antlia H-beta & OIII filter passes the 486.1 nm H-beta line and the 495.9 / 500.7 nm OIII lines, while blocking light pollution from 300 to 1000 nm at OD4. Antlia designs it for both visual observing and photography of emission and planetary nebulae.

Manufacturer model: Antlia H-beta & OIII, 1.25-inch mounted · Specifications checked against manufacturer data on 2026-11-03

Antlia H-beta & OIII Filter — 1.25" mounted

The Antlia H-beta & OIII filter passes the 486.1 nm H-beta line and the 495.9 / 500.7 nm OIII lines, while blocking light pollution from 300 to 1000 nm at OD4. Antlia designs it for both visual observing and photography of emission and planetary nebulae.

Specifications

Lines passed H-beta 486.1 nm; OIII 495.9 and 500.7 nm
Peak transmission Over 90%
Blocking OD4, 300–1000 nm
Thickness 2 mm ±0.05 mm
Use Visual and photography
Format 1.25-inch mounted, M28.5 × 0.6 thread

Manufacturer documentation

Antlia H-beta & OIII filter

Compatibility notes

FWHM and focal-ratio range not published.

85528

Fiche technique

Blocage
OD4, 300–1000 nm
Format
1.25-inch mounted, M28.5x0.6
Raies (nm)
486.1; 495.9; 500.7
Transmission max. (%)
＞90
Épaisseur (mm)
2 ±0.05
Utilisation
Visual and photography
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