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NOTCam BK7 glass filter

NOT filter number:238
Dimensions:25-mm round. 5.4 mm thick.
Filter name:BK7
Marking on filter edge:
Cosmetic defects:

on: xx micron
central: xx
off: xx micron
FWHM: xx micron

  • Transmission curves: BK7, ASCII data

    Note:These transmission data have been scanned from the manufacturer's hardcopy. They are probably good to a couple of %. Details of the scanning procedure are not known, but the scan was made at ambient temperature.

    The BK7 glass filter was manufactured by Custom Scientific. Purchased 2012.
  • Back to top Last modified: June 28 2023