Altair
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Altair Astro Premium 1.25" CLS-CCD 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. 1.85mm 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). No deviation affected by temperature change.
  • UV/IR block for imaging - star bloat reduction with refractors.
  • Precision CNC machined filter cell for strain-free mounting and freedom from tilt.
79.00 € 71.10 €
Estimated delivery time : 2-4 weeks
 
 
Reduces the effects of light pollution and natural moon or skyglow
129.00 € 116.10 €
Estimated delivery time : 2-4 weeks
 
 
Improves the visibility of stars and deep sky objects, by blocking light pollution
139.00 € 125.00 €
Estimated delivery time : 2-4 weeks
 
 
Improves the visibility of stars and deep sky objects, by blocking light pollution
279.00 € 251.00 €
Estimated delivery time : 1-2 weeks