Ha SII OIII 7nm narrowband 2″ Filter S-series

$249.00$747.00

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Player One S series filter using high quality optical glass substrate and multi-layer composite coating technology, which has excellent optical performance in astrophotography.

Ha SII OIII 7nm narrowband 2″ filter

In astrophotography, narrowband filters can capture specific wavelengths to obtain specific details. Usually there are three narrowband filters, respectively, Ha SII OIII filters, Player One produced narrowband filters with excellent transmittance, cutoff rate and halo control.

 

Technical Data

  • FWHM:7nm±0.5nm
  • Glass Thickness: 2.0+/-0.03 mm  (1.25”/2″)
  • Transmittance:About 90%
  • Surface accuracy: 1/4 lambda (both side)
  • Blocking depth: OD3(<0.1% transmission of off-band)
  • NIR cutoff: 700nm-1100nm
  • Frame threads: M48*0.75 (2″ filter)
  • Frame thickness: body 5mm+ thread 2.5mm, a total of 7.5mm

 

Dear Valued Customer, We will be out of the office from the 4th to the 6th of April for Tomb Sweeping Day and will be back on the 7th. All orders placed after April 2nd will be processed and shipped upon our return. Thank you for your patience and understanding. Sincerely, Player One Astronomy ; D Dismiss