KS B 5409-2013(2018)
Photographic lenses?Methods for the measurement of the effective aperture, F-number and relative aperture
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KS B 5409-2013(2018)
Standard No.
KS B 5409-2013(2018)
Release Date
2013
Published By
Korean Agency for Technology and Standards (KATS)
Status
Be replaced
Replace By
KS B 5409-2023
Latest
KS B 5409-2023
KS B 5409-2013(2018) history
2023
KS B 5409-2023
Methods for the measurement of the effective aperture, F-number and relative aperture of photographic lenses
0000
KS B 5409-2013(2018)
2013
KS B 5409-2013
Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
1998
KS B 5409-1998
Photographic lenses-Methods for the measurement of the effective aperture, F-number and relative aperture
1982
KS B 5409-1982
Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
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