No Results
No results found for your search. Please try another term.
How to Convert from Apostilb to Blondel?
Convert luminance measurements easily from the apostilb unit to the blondel unit using this online converter. Understand the relationship between these historic photometric units and their context in lighting engineering.
Please check your input. It must be a valid numeric value.
Apostilb to Blondel Conversion Table
| Apostilb | Blondel |
|---|
Custom Unit Conversion Table Generator – Instant Printable Conversion Tables
Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
| Apostilb | Blondel |
|---|
Explore More Luminance Units Converter
- How to convert from candela/square meter to apostilb?
- How to convert from apostilb to candela/square meter?
- How to convert from candela/square centimeter to apostilb?
- How to convert from apostilb to candela/square centimeter?
- How to convert from candela/square foot to apostilb?
- How to convert from apostilb to candela/square foot?
- How to convert from candela/square inch to apostilb?
- How to convert from apostilb to candela/square inch?
- How to convert from kilocandela/square meter to apostilb?
- How to convert from apostilb to kilocandela/square meter?
- How to convert from stilb [sb] to apostilb?
- How to convert from apostilb to stilb [sb]?
- How to convert from lumen/sq. meter/steradian to apostilb?
- How to convert from apostilb to lumen/sq. meter/steradian?
- How to convert from lumen/sq. cm/steradian to apostilb?
- How to convert from apostilb to lumen/sq. cm/steradian?
- How to convert from lumen/square foot/steradian to apostilb?
- How to convert from apostilb to lumen/square foot/steradian?
- How to convert from watt/sq. cm/steradian (at 555 nm) to apostilb?
- How to convert from apostilb to watt/sq. cm/steradian (at 555 nm)?
- How to convert from nit [nt] to apostilb?
- How to convert from apostilb to nit [nt]?
- How to convert from millinit [mnt] to apostilb?
- How to convert from apostilb to millinit [mnt]?
- How to convert from lambert [L] to apostilb?
- How to convert from apostilb to lambert [L]?
- How to convert from millilambert [mL] to apostilb?
- How to convert from apostilb to millilambert [mL]?
- How to convert from foot-lambert [fL] to apostilb?
- How to convert from apostilb to foot-lambert [fL]?
- How to convert from blondel to apostilb?
- How to convert from apostilb to blondel?
- How to convert from bril to apostilb?
- How to convert from apostilb to bril?
- How to convert from skot to apostilb?
- How to convert from apostilb to skot?
What Is This Tool?
This converter transforms luminance values from apostilb to blondel, two non-SI, historical photometric units used to measure luminous intensity per unit area. It assists in interpreting and comparing old photometric data and supports legacy equipment calibration.
How to Use This Tool?
- Enter the numeric luminance value in apostilb you wish to convert.
- Select apostilb as the input unit and blondel as the desired output unit.
- Submit the conversion request to get the equivalent value in blondel.
Key Features
- Converts luminance values between apostilb and blondel accurately according to their defined equivalence.
- Supports legacy photometric unit conversions important in historical research and lighting engineering.
- Easy-to-use browser-based tool with straightforward input and output for quick conversions.
Examples
- 5 Apostilb converts to 5 Blondel.
- 0.75 Apostilb converts to 0.75 Blondel.
Common Use Cases
- Reviewing and comparing older luminance data in photometric and cinematography specifications.
- Interpreting the brightness of diffusely reflecting surfaces in lighting engineering literature.
- Restoring or referencing lighting measurements in vintage equipment calibration and imaging data.
Tips & Best Practices
- Verify that the source data uses apostilb or blondel units before converting.
- Be aware that these units are obsolete; further conversion to SI units (candela per square metre) may be needed.
- Use this converter when dealing with historical documents or legacy calibration to maintain unit consistency.
Limitations
- Both apostilb and blondel are outdated, non-SI units replaced by candela per square metre.
- Conversion accuracy may be impacted by historical variations in unit definitions and usage.
- This tool does not convert directly to modern SI units; separate conversions may be required.
Frequently Asked Questions
- Are apostilb and blondel equivalent units?
- Yes, one apostilb is equal to one blondel, making their values directly interchangeable for luminance measurements.
- Why use apostilb to blondel conversion?
- This conversion helps interpret luminance from historical sources and compare legacy data or calibrate older photometric equipment.
- Are these units used in modern applications?
- No, both apostilb and blondel are obsolete and have been replaced by the SI unit candela per square metre for current scientific and engineering uses.
Key Terminology
- Apostilb
- A historical, non-SI photometric unit of luminance equal to one divided by π candela per square metre, used in earlier photometry and lighting engineering.
- Blondel
- An obsolete photometric unit of luminance named after André Blondel, historically used to report surface brightness before SI units became standard.
- Luminance
- A photometric measure of luminous intensity emitted or reflected from a surface per unit projected area in a given direction.