3nm SHO Filters with test report from Altair Astro
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- altair_astro
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3nm SHO Filters with test report from Altair Astro
We have new product to mention:
Altair 3nm SHO filters in 2" size for mono CMOS or CCD imaging
Available individually or as an SHO bundle.
Features are:
3nm FWHW , centred on the CWL at F4.8 or slower
90% transmission at CWL
0.01% transmission off-band visual wavelengths
UVIR blocking
Anti Halo coating. We've never seen a halo with these filters in Beta and mainstream, even on Vega.*
Test report - individual for each filter.
You can see the results with the Altair 3nm filter for yourself in our Facebook group.
You can order from:
USA: Land Sea and Sky in Texas
France: Pierro Astro
Germany: APM Telescopes
Worldwide: Altair Astro (put it in the shopping basket, choose country for total price)
- chris_g
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Re: 3nm SHO Filters with test report from Altair Astro
Hi,altair_astro wrote: ↑Fri Aug 05, 2022 4:04 pm * I have no idea how to attach an image to this but I have pics to share!
Switch to the full editor then scroll down until you see options and attachments, it's below the save, preview and submit buttons.
Clear Skies!
Chris
Image OTA: EvoStar ED80, WO Z73, C8-A XLT
Mount: EQ6-R Pro Pier, AZ-EQ5 Pro Pier
Guide OTA: Orion 60mm, WO 32mm, ZWO OAG, SV501P
Guide Cam: ZWO 120mm, 290mm mini
EAA OTA: Orion ST80
EAA Cam: SVBony SV705C
EP: Baader Hyperion Modular Set
Filters: L-Pro Canon EOS C, L-eNhance, L-Pro, Optolong Ha 7mm, Optolong Oiii 6.5mm, Optolong Sii 6.5mm, ES H-Beta
Session Control: Mini PC/Win11 Pro, APT 4.1, PHD2 2.6.10
Processing: PixInsight, DSS 4.2.6, Adobe PS CC, Astronomy Tools Action Set, Star Spikes Pro
- altair_astro
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Re: 3nm SHO Filters with test report from Altair Astro
- yobbo89
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Re: 3nm SHO Filters with test report from Altair Astro
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/mesu 200 v2
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, chroma 3nm ha,sii,oiii,nii,rgb,lowglow,uv/ir,Thousand Oaks Solar Filter,1.25'' #47 violet,pro planet 742 ir,pro planet 807 ir,pro planet 642 bp ir.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel,tele vue 2x barlow .
- altair_astro
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Re: 3nm SHO Filters with test report from Altair Astro
We could do a 5nm but it wouldn't be much cheaper than the 3nm.
Is there a reason you need 5nm specifically? Maybe a faster F-Ratio than F4.8?
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