Solar Spectrum Observer Series 1,5 (25mm clear aperture)

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Solar Spectrum Observer Series 1,5 (25mm clear aperture)
From: € 4,305.00 Price excl. German VAT tax (19%): € 3,617.65

Shipping time: Sometimes long waiting periods
  • Solar Observer Filter Serie 1,5: Standard-Filter with a clear aperture of 25mm. Shows the full sun disc up to effective focal lengths of approx. 2200mm
  • Different Halfbandwidths available – please choose "Version"
  • incl. Pre-mounted Adapterset: 2x 2" SolarSpectrum Universal Flange #2958240, 1x 2"a to T-2i Reducer #2958242, 1x 2"a to T-2a Adapter #1508035, 2 pc. T-2 Dust caps (#2904000, #2904010)
  • Heated H-alpha – Filter (lambda = 656,3 nm) with electronical temperature control (heating and cooling combined). 5 years warranty if handled properly
Important note: Requires an additional Energy Rejection Filter (D-ERF) in front of the lens. SolarSpectrum Filter are not available by shopping cart system and have sometimes long waiting periods. If you are interested, please contact us by email or contact form

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From: € 4,305.00 Price excl. German VAT tax (19%): € 3,617.65

Product Questions

Can I use an UV/IR-Cut filter or the BBHS mirror in front of an H-Alpha or Calcium Solar Filter? Do you recommend the 2" BBHS or 2" Clicklock Mirror for solar observation?
Question by: Enrique V. on Sep 26, 2016 3:04:00 PM | 1 Answer(s)
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