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Antlia OIII 3nm Narrowband Filter - 36mm

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Antlia
ANT-OIII3nm36
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ANT-OIII3nm36

Antlia O-III 3nm narrowband 36mm filter, pushing astrophotography boundaries. This ultra-narrowband filter amplifies the contrast of emission and planetary nebulae, perfect for capturing oxygen emission of nebulae even under light pollution.

OUR PRICE $529.00

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    Dive Deeper into the Antlia 3nm OIII Narrowband Filter.

    Precision Meets Performance: Imagine isolating the vibrant hues of emission nebulae with laser-like accuracy. The Antlia 3nm Pro, uses a ultra-narrow 3.0nm bandpass, delivers exactly that. This meticulous design dramatically reduces background light pollution and stray light, paving the way for astoundingly high-contrast images with inky-black skies. To further elevate your astro shots, edge-blackening technology minimizes halos around even the brightest stars, ensuring every detail shines through.

    Unveiling the Secrets of the OIII Line: Forget generic, opaque filters. The Antlia 3nm Pro shines with unparalleled transparency. It achieves a peak transmission of 85% for the crucial Oxygen III line (500.7nm), capturing its essence with exceptional fidelity. By suppressing other wavelengths down to an astonishing 0.001% (a detail often omitted by competitors), the filter unlocks truly captivating deep-sky vistas, free from unwanted light interference.

    Pushing the Boundaries of Speed: Whether you're a seasoned astrophotographer wielding a hyperstar setup or a beginner exploring fast optics, the Antlia 3nm Pro is your perfect partner. Optimized for systems as fast as f/3, it minimizes signal loss, ensuring you capture the full potential of your equipment. Rigorous individual testing guarantees parfocality, meaning seamless switching between filters without refocusing, saving you valuable time under the night sky.

    Convenience & Protection: Enjoy the freedom of ditching additional IR-cut filters. The Antlia 3nm Pro seamlessly handles both visible and near-infrared light, streamlining your workflow and maximizing your precious observation time.

    Embrace the Power of Precision: With its unmatched combination of pinpoint accuracy, exceptional transmission and speed optimization.

    DO NOT LOOK AT THE SUN WITH THE ANTLIA FILTERS. Serious eye damage will occur.

    Specifications:

    Passing band 3 nm (FWHM)
    Glass thickness 2.0 mm ±0.05 (3.0 mm for 50 mm round & 50 x 50 mm square)
    Optical flatness 1/4 λ (wavefront)
    Bandpass transmission 85%
    Off-band transmission OD5 @ 300-1000 nm
    Coating Double-sided multilayer nano-coating
    Surface quality 60/40 (in accordance with US military watch MIL-O-13830)
    Parallelism <30"
    Glass type Monolithic optical substrate (non glued)
    Filter size Mounted 1.25", 2", Unmounted 31 mm, 36 mm, 50 mm round, 50 x 50 mm square

    Antlia: Experts in Astronomy Filters

    Antlia Astronomy Filters are built by Deep-Sky Photography Enthusiasts for Enthusiasts all around the globe. Antlia prides itself on producing a series of exceptional quality, fully multicoated narrowband, dual-band, planetary and LRGB filters for astrophotography, designed for use with a range of monochrome and colour DSLR, CMOS and CCD cameras.

    Product Code: ANT-OIII3nm36

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