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Altair Astro 2" Luminance UV/IR Block Filter with AR Coating

Altair Astro 2" Luminance UV/IR Block Filter with AR Coating
Incl. VAT 20.00 % ( £9.83 )
Product Code
Altair Astro
The Altair Astro Premium 2" CLS-CCD Filter is filter is used for general imaging to capture the Luminance channel, with mono or colour cameras to eliminate softness in the image caused by unfocused Ultraviolet or Infrared light (Star-Bloat).

Other applications include:
Solar viewing and imaging with the DayStar Quark. Reduce softness in images for Microscopy applications, especially with LED and Halogen light caused by stray un-focussed Ultraviolet and Infrared light.

Premium filter features:
• Multi-Layer Anti-Reflection coating to reduce star-halos and reflections from camera optical window.
• Batch-tested for consistency.
• Ultra-flat glass by Schott Germany. 2.0mm Glass 30sec parallel, optical polish to MIL Spec. MIL-O-13830.
• High quality dichroic/dielectric coatings. Electron-beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching, as well as stability on CWL (central wavelength). Minimal or no deviation affected by temperature change.
• Precision CNC machined filter cell for strain-free mounting and freedom from tilt and a 45mm clear aperture to minimise vignetting.
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