Baader Filters H-alpha/OIII/SII CMOS Ultra-Narrowband 36mm (70902)

859.34 $

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The H-alpha filter operates at a wavelength of 656nm, making it the prime option for narrowband H-alpha astrophotography. It excels in high-contrast imaging, revealing intricate details of nebulae even in regions with substantial light pollution.

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Baader Filters H-Beta CMOS Narrowband 2" (76762)

275.55 $

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The Narrowband series presents line filters with a full width at half maximum of 6.5 nanometers, ideal for optical systems ranging from f/10 to f/3.5 in aperture ratio.

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Baader Filters OIII CMOS f/2 Highspeed 36mm (70916)

161.59 $

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OIII filters exclusively permit light with a wavelength of 501 nanometers to pass through. This wavelength corresponds to the spectrum lines of doubly ionized oxygen emitted by planetary nebulae and certain emission nebulae. By selectively allowing this specific light to pass, these filters enhance contrast and reveal faint nebulae while blocking out other wavelengths.

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Baader Filters OIII CMOS f/2 Highspeed 50.4mm (70918)

235.38 $

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OIII filters exclusively permit light with a wavelength of 501 nanometers to pass through. This wavelength corresponds to the spectrum lines of doubly ionized oxygen, emitted by planetary nebulae and some emission nebulae. By selectively allowing only this specific light to pass, these filters enhance contrast, making faint nebulae visible for the first time while blocking out other wavelengths.

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Baader Filters OIII CMOS f/2 Highspeed 50x50mm (70919)

269.01 $

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OIII filters selectively pass light with a wavelength of 501 nanometers, corresponding to the spectrum lines of doubly ionized oxygen. These lines are emitted by planetary nebulae and some emission nebulae, allowing these objects to remain visible while other wavelengths are blocked by the filter. This enhances contrast, revealing faint nebulae that may not be visible otherwise.

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Baader Filters OIII CMOS f/2 Highspeed 65x65mm (70920)

337.19 $

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OIII filters selectively transmit light with a wavelength of 501 nanometers, corresponding to the spectrum lines of doubly ionized oxygen. These emission lines are characteristic of planetary nebulae and some emission nebulae, allowing these celestial objects to remain visible while other wavelengths are effectively blocked by the filter.

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Baader Filters OIII CMOS f/2 Ultra-Highspeed 31mm (70936)

251.26 $

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The OIII filter exclusively permits light with a wavelength of 501 nanometers, corresponding to the spectral lines of doubly ionized oxygen. These lines are emitted by planetary and some emission nebulae, allowing these celestial objects to remain visible while other wavelengths are filtered out. 

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Baader Filters OIII CMOS Narrowband 2" (70861)

214.83 $

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OIII Filter: The narrowband O-III 3nm filter is tailored for observing nebulae, permitting a 3nm bandwidth of light centered on a 500nm wavelength, aligning with OIII emission lines, while effectively screening out all other wavelengths.

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Baader Filters OIII CMOS Narrowband 50x50mm (70863)

266.2 $

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OIII Filter: The narrowband O-III 3nm filter is specifically crafted for observing nebulae, allowing a 3nm bandwidth of light centered on a 500nm wavelength, corresponding to OIII emission lines, while effectively excluding all other wavelengths.

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Baader Filters OIII Super-G 2" (78362)

154.12 $

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Transmission: 97%

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Baader Filters SII CMOS f/2 Highspeed 31mm (70922)

147.58 $

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SII Filter: The narrowband S-II 7nm filter selectively allows light at a 672nm wavelength with a bandpass of 3nm, specifically crafted for nebula photography.

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Baader Filters SII CMOS f/2 Highspeed 50x50mm (70926)

269.94 $

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SII Filter: The narrowband S-II 7nm filter allows light at a 672nm wavelength with a bandpass of 3nm, tailored for nebula photography.

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Baader Filters SII CMOS f/2 Highspeed 65x65mm (70927)

338.13 $

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SII Filter: The narrowband S-II 7nm filter allows light at a 672nm wavelength with a bandpass of 3nm, specifically crafted for nebula photography.

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Baader Filters SII CMOS f/2 Ultra-Highspeed 31mm (70943)

250.33 $

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SII Filter: The narrowband S-II 7nm filter allows light at a 672nm wavelength with a bandpass of 3nm, specifically engineered for nebula photography.

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Baader Filters SII CMOS Narrowband 50.4mm (70869)

255 $

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SII Filter: The narrowband S-II 7nm filter allows light at a 672nm wavelength with a bandpass of 3nm, specifically crafted for nebula photography.

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Baader Filters SII CMOS Narrowband 50x50mm (70870)

265.27 $

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SII Filter: The narrowband S-II 7nm filter permits light at a 672nm wavelength with a bandpass of 3nm, specifically engineered for nebula photography.

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Baader Filters SII CMOS Narrowband 65x65mm (70871)

329.72 $

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SII Filter: The narrowband S-II 7nm filter allows light at a 672nm wavelength with a bandpass of 3nm, tailored for nebula photography.

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Baader Filters UHC-L 2" (10861)

157.85 $

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The Baader UHC-L filter serves as a comprehensive anti-light pollution solution, effectively blocking emissions from LED lamps, particularly in the blue spectrum.

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Baader Filters Ultra-Narrowband 4.5nm OIII CCD-Filter 50x50mm (62167)

462.36 $

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OIII filters selectively permit light with a wavelength of 501 nanometres, corresponding to the spectrum lines of doubly ionized oxygen. This characteristic emission is emitted by planetary nebulae and certain emission nebulae, allowing these celestial objects to remain visible while filtering out other wavelengths.

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Baader Filters Ultra-Narrowband SII CMOS 50.4mm (70890)

363.35 $

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SII Filter: The narrowband S-II 7nm filter allows light at a 672nm wavelength with a bandpass of 3nm, tailored specifically for nebula photography.

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Celestron Filters LPS RASA 800 (74983)

464.54 $

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Celestron's LPS nebula filter designed for RASA 8 astrographs enhances contrast by effectively suppressing stray light.

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Chroma Filters H-Alpha 1,25", 3nm (66073)

676.44 $

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The H-alpha filter selectively allows light at a 656nm wavelength, making it the ideal narrowband filter for H-alpha astrophotography. It excels in high-contrast imaging, effectively revealing intricate details of nebulae even in areas with significant light pollution.

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Chroma Filters H-Alpha 1,25", 8nm (66075)

351.87 $

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The H-alpha filter allows light at a 656nm wavelength, making it the top choice for narrowband H-alpha astrophotography. It excels in high-contrast imaging, unveiling intricate details of nebulae even in areas affected by significant light pollution.

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Chroma Filters LoGlow Light Pollution 2" (66050)

647.35 $

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This filter effectively blocks common spectral lines emitted by lighting sources, thus minimizing sky glow.

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