Eyepiece-side H-alpha filters

Daystar Instruments QUARK - H-Alpha for Prominences
Daystar Instruments QUARK - H-Alpha for Prominences
  • Eyepiece side filter system for prominences (structures on the edge of the solar disc)
  • All-In-One design - no assembling of adapters necessary
  • For use on refractors of f/4 to f/9
  • Full disk viewing possible on refractors up to ~450 mm focal length
  • Tuning range +/- 0.5 Å, with detents at every 0,1 Å
  • Indicator for being ready for use
  • Power supplied via USB (5 V, 1.5 A), includes 90-240VAC wall adapter with international plug adapters.
  • Not suited for off-axis application
1.499,00 EUR
incl. 19% tax excl. Shipping costs
DayStar QUARK H-Alpha for Chromosphäre
-16%
DayStar QUARK H-Alpha for Chromosphäre
RRP 1.790,00 EUR
Only 1.499,00 EUR
incl. 19% tax excl. Shipping costs
TS-Optics 1.25" Energy Rejection Filter for Quark Chromosphere
TS-Optics 1.25" Energy Rejection Filter for Quark Chromosphere
  • Reduces thermal load on the first filter of the Quark and the filter holder
  • Blocks UV and IR
  • Image quality is maintained
  • Based on reflection instead of absorption, so it will not heat up
  • Can be used as red filter to reduce the influence of seeing in lunar imaging
119,90 EUR
incl. 19% tax excl. Shipping costs
DayStar QUARK H-alpha filter Gemini
DayStar QUARK H-alpha filter Gemini
  • Connection (to the telescope): 1,25"
  • Power consumption (mA): 1500
  • Power supply: 5
  • Extension of focal length: 4,3
  • Half-value width: 0,3 - 0,8
3.490,00 EUR
incl. 19% tax excl. Shipping costs
1 to 4 (from a total of 4)