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Filters
High quality filter for CMOS photography with the following features:
- 1st band, CWL495nm FWHM35nm
- 2nd band, CWL 660nm FWHM 35nm
- 1.85mm thick optical glass with 30 arc sec parallelism.
- UVIR Block and Anti-Reflection Coating.
226.00 €
Delivery date : 2-4 weeks
The Altair Astro Planet-Killer 685nm Premium IR Pass Filter is designed to deliver sharper lunar and planetary images with Monochrome CCD or CMOS cameras.
59.00 €
Delivery date : 2-4 weeks
This filter transmits only the H and Oiii light from emission nebulae, with almost total suppression of unwanted light....
569.00 €
Delivery date : 2-4 weeks
This is the filter for imaging in moonlight or light pollution with a colour CMOS camera - or even in dark-sky conditions if you want total isolation and control over your channels, narrowband-style.
Altair DualBand 6nm Filter Features:
- Capture the two main emission nebulae bands at the same time, whilst suppressing light pollution, moonlight, and airglow.
- Acquire more data in less time, opening up your imaging window, even into the summer months when it isn't quite dark.
- If you have the 6nm Ha/Sii Ultra filter and the Sii/Ha version, you can capture twice the Oiii data in each imaging session and combine them for true SHO Hubble style imaging with a colour camera!
- Extremely steep bandpass yields maximum contrast in extreme light pollution: 6nm FHWM centred on 500.7nm Oiii wavelength, and 5.5nm FHWM centred on the 656.28nm Ha wavelength.
- No halos. We have not had any reports of halos caused by this filter in testing, and we don't expect any with our new V2 hard coating technology.
269.00 €
Delivery date : 2-4 weeks
Altair Quad-Band 2" Filter for OSC CMOS, CCD and Modified or Unmodded DSLR cameras.
This is the new QuadBand V2 Coating technology which includes:
- Halo suppression. We have not had any reports of halos caused by this filter in testing.
- Increased blocking of UV, IR and unwanted visual range wavelengths. UV OD7 (T0.00001%) Visual OD5 (T0.001%) and IR OD4 (T0.01%) for the ultimate in skyglow blocking.
- Higher transmission % of desired wavelengths Ttop 95% (Average 5% higher transmission of desired wavelengths).
- Ha and Oiii wavelengths at 35nm FWHM for with less tail-off to reduce unwanted light pollution.
226.00 €
Delivery date : 2-4 weeks
SkyTech Quad-Band EOS Clip Filter for DSLR cameras (including astro-modified) Narrowband Bi-Colour imaging is a growing new trend in astrophotography, especially popular in light polluted areas, or for imaging in rural areas in moonlight.
199.00 €
Delivery date : 2-4 weeks
The Altair Astro Premium Oiii 6.5nm filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting out the light pollution wavelengths. The filter blocks UV IR and has an anti-reflection AR coating.
226.00 €
Delivery date : 2-4 weeks
The Altair Astro Premium Sii 6.5nm filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting out the light pollution wavelengths. The filter blocks UV IR and has an anti-reflection AR coating.
226.00 €
Delivery date : 2-4 weeks
The Altair Astro Premium 7nm Ha filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting out the light pollution wavelengths.
226.00 €
Delivery date : 2-4 weeks
The Altair Astro Premium Narrowband filter set is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting out the light pollution wavelengths.
665.00 €
Delivery date : 2-4 weeks
Filter for general imaging to capture the luminance channel
69.00 €
Delivery date : 2-4 weeks
Designed for imaging with mono or colour CCD and CMOS cameras.
42.90 €
Delivery date : 2-4 weeks
