Violet 2024


Violet Friday Offers: Here You can expect heavily discounted items from many well-known manufacturers. If you want to buy a telescope or accessories - whether for yourself or as a gift - Violet Friday is the perfect opportunity to find a great deal and benefit from attractive discounts.

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Connects an Altair Hypercam PRO FAN cooled camera to an existing Hypercam Nikon lens adapter
39.00 € 35.10 €
Estimated delivery time : 1-4 weeks
 
 
Connects an Altair Hypercam PRO TEC Cooled camera to an existing Hypercam Nikon lens adapter
39.00 € 35.10 €
Estimated delivery time : 1-4 weeks
 
 

The Altair 395nm NUV filter selectively passes light of the two main Calcium wavelengths emitted by the sun: CA-K line at 393.37nm, and the CA-H line at 396.85nm.

199.00 € 179.00 €
Estimated delivery time : 2-4 weeks
 
 
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
 
 
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.
159.00 € 143.00 €
Estimated delivery time : 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.
159.00 € 143.00 €
Estimated delivery time : 2-4 weeks
 
 
Sabre mount feature summary:
  • Point and see. No alignment required.
  • Next to zero setup time.
  • Smooth and easy to use.
  • No power required.
  • Compatible with most common tripods.
  • High capacity with excellent machining and fitting.
  • Stable astronomy or terrestrial observing with large or small scopes.
  • Compatible with Altair TMS dovetail clamps (very high end), or others with standard M8 / 35mm hole pattern.
  • Mount head weight of 3.2kg, dimensions are on the product images.
649.00 € 584.00 €
Estimated delivery time : 2-4 weeks
 
 
he Altair Tri-Pier is a stylish, compact portable pier for imaging or observing on-the-go.
499.00 € 449.00 €
Estimated delivery time : on request
 
 

Altair Astro CNC pier adapter for many mounts, suitable for SkyShed pier and of course adaptable for other piers

  • Suitable for iOptron CEM70, CEM60 and iEQ45
  • Suitable for Skywatcher EQ6, AZ-EQ6, HEQ5, EQ5, EQ3
  • Suitable for Celestron CGEM, CGEM-DX
  • Suitable for LXD75 and many Vixen mounts
  • Four countersunk holes for M8 screws - distance from the centre 64.5 mm
  • Comes with four M8 stainless steel screws for attaching the adapter to the column
  • Flat base for easy adaptation to columns and column stands
  • Diameter 148 mm
  • Height 30 mm
199.00 € 179.00 €
Estimated delivery time : 1-4 days
 
 
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.
255.00 € 229.00 €
Estimated delivery time : 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.
 
255.00 € 229.00 €
Estimated delivery time : 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. 
259.00 € 233.00 €
Estimated delivery time : 2-4 weeks