More products from the brand :Antlia

Antlia 4.5nm Edge OIII filter

Price range: CHF 199 through CHF 359

Livraison contre signature gratuite
Easy, free returns

Antlia OIII 4.5nm EDGE filter

Explore OIII nebulae with unrivalled contrast thanks to the Antlia OIII 4.5nm EDGE filter. Specially designed for deep-sky astrophotography, it maximizes the useful signal while suppressing unwanted noise.

Why choose the Antlia OIII 4.5nm EDGE filter?

  • High transmission (>85% at 500.7nm) to capture the faintest structures of OIII nebulae.
  • Narrow bandwidth of 4.5nm for exceptional contrast between subject and sky background.
  • OD5 deletion unwanted wavelengths to minimize light interference.
  • Fast compatibility up to f/3 without significant signal loss.
  • Premium manufacturing with one-piece optical substrate, scratch-resistant surface treatment and blackened edges.

Ideal applications

  • Imaging OIII nebulae
  • Observation of planetary nebulae and Wolf-Rayet
  • Capturing supernova remnants
  • Imaging polluted skies or dark sites
  • Extended imaging time even under moonlight

Filter technical specifications

Features Detail
Type OIII 4.5nm EDGE
FWHM (Full Width at Half Maximum) 4.5nm
Center wavelength (CWL) 500.7nm
Maximum transmission >85%
Out-of-band blocking OD5 (0.001%) between 300-1000nm
Filter thickness 2mm ± 0.05mm (50mm: 3mm ± 0.05mm)
Substrate Unglued monoblock optical glass
Surface quality S/D 60/40 (MIL-O-13830 standard)
Transmitted wavefront λ/4 or better
Parallelism <30 arcsec
Warranty 3 years against delamination

Available sizes

  • Mounted: 1.25″, 2″
  • Unmounted: Ø31mm, Ø36mm, Ø50mm

Frame features

  • Ultra-thin cell for reduced vignetting
  • Black anodized finish for durability
  • Weather-resistant laser engraving

Spectral curves

Important notice

Never look directly at the sun with this filter. This would cause serious eye damage.

 

Products in the same category

Colour Magic 2" Duo-band C Package(C1+C2)
Colour Magic 2" Duo-band C Package(C1+C2)
CHF 199
Filtre photométrique Chroma U-Bessell - 2" Monté
U-Bessell Chroma photometric filter - 2" Mounted
CHF 699
Filtre L (UV/IR Cut) Pegasus - 2" Monté
Filter L (UV/IR Cut) Pegasus - 2" Mounted
CHF 79
Filtre Chroma SII 5nm - 2" Monté
Chroma SII 5nm filter - 2" mounted
CHF 969
Filtre Chroma LowGlow anti pollution lumineuse - 2" Monté
Chroma LowGlow light pollution filter - 2" mounted
CHF 499
Filtre Dual Band pour Vespera
Dual Band filter for Vespera
CHF 379
LRVB - 2" Monté
LRVB - 2" Mounted
CHF 1'899
Filtre Chroma H-alpha 5nm - 2" Monté
Chroma H-alpha filter 5nm - 2" Mounted
CHF 989
Colour Magic 2" SII 3nm
Colour Magic 2" SII 3nm
CHF 399
Filtre Antlia LRGB Dark Series
Antlia LRGB Dark Series filter
Price range: CHF 459 through CHF 769
Filtre H-alpha Antlia 4.5nm Edge
Antlia 4.5nm Edge H-alpha filter
Price range: CHF 199 through CHF 359
Filtre Chroma Clair - 2" Monté
Chroma Clair filter - 2" mounted
CHF 369
Colour Magic 2" Duo-band C1(Hα+OIII)
Colour Magic 2" Duo-band C1(Hα+OIII)
CHF 109
Kit SHO 7nm Prime - 36mm (non-monté)
SHO 7nm Prime Kit - 36mm (unmounted)
CHF 439
Filtre B Pegasus - 2" Monté
Filter B Pegasus - 2" Mounted
CHF 79
Filtre photométrique Chroma B-Bessell - 2" Monté
Chroma B-Bessell photometric filter - 2" Mounted
CHF 699

Our new products

Celestron NexStar 8SE
Celestron NexStar 8SE
CHF 1'799
Dwarf Mini - En précommande
Dwarf Mini - En précommande
Price range: CHF 309 through CHF 439
Filtre anti-pollution lumineuse MSM – Verre didyme pour la photographie nocturne
Filtre anti-pollution lumineuse MSM – Verre didyme pour la photographie nocturne
CHF 79
Filtre MSM Easy Focus - Star Focus - idéal pour la photographie d'étoiles
Filtre MSM Easy Focus - Star Focus - idéal pour la photographie d'étoiles
CHF 59
Base de nivellement MSM à réglage fin ±5°, tête de trépied, base pour appareil photo avec vis 3/8"
Base de nivellement MSM à réglage fin ±5°, tête de trépied, base pour appareil photo avec vis 3/8"
CHF 45
Lampe frontale double éclairage pour photographie nocturne
Lampe frontale double éclairage pour photographie nocturne
CHF 25
Bande chauffante pour objectif / anti-buée pour astrophotographie (avec contrôleur)
Bande chauffante pour objectif / anti-buée pour astrophotographie (avec contrôleur)
CHF 29
Adaptateur baader 1.25" vers T2
Adaptateur baader 1.25" vers T2
CHF 29
WandererBox Pro V3
WandererBox Pro V3
CHF 379
Caméra planétaire Player One Mars-C II (IMX662 couleur)
Player One Mars-C II planetary camera (IMX662 color)
Original price was: CHF 199.Current price is: CHF 149.
[category_menu_mobile]