Apostilbs (asb)
The apostilb was used in visual field testing in ophthalmology.
Convert apostilbs to any luminance unit
1 apostilb = 0.3183098862 nits
Quick facts
1 apostilb in other units
| Nits | 0.3183098862 cd/m² |
| Foot-lamberts | 0.09290303999 fL |
What is an apostilb?
The apostilb was used in visual field testing in ophthalmology.
Where the apostilb sits among luminance units
The apostilb is number 1 of 7 on our scale of luminance units, ordered from smallest to largest.
Top apostilb conversions
Convert apostilbs to all 6 other units
Units
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Frequently asked questions
What is an apostilb?
The apostilb was used in visual field testing in ophthalmology.
How is the apostilb defined?
1/π nits (about 0.318 nits).
How many nits are in an apostilb?
One apostilb equals 0.3183098862 nits.
How many foot-lamberts are in an apostilb?
One apostilb equals 0.09290303999 foot-lamberts.