ISO 1230:1992
Photography — Determination of flash guide numbers
Photography — Determination of flash guide numbers
Unit PriceUSD 65.00
USD50.70Save 22%
Photography — Determination of flash guide numbers
Specifies a method for measuring the reflector factor. Contains formulae for calculating the ISO guide number for flash lamps (with and without integral factors resp.). Gives terms and definitions.
| Edition | 1992 |
|---|---|
| Published Date | 1992 |
| Published By | International Standardization Organisation |
| Page Count | 5 |