Magazine
About us
Join
|
|
SWPP Home Magazine About us Join |
Term - Twilight factor |
| Twilight factor | SWPP Photographic Glossary | Sunday 18th April 2021 |
|
Twilight factorAn indication of the brightness value of binoculars. It's similar to relative brightness, but you multiply the objective lens with the magnification and then find the square root of the resulting number. A higher number indicates the binoculars will be better for use in low light.
|
|
Information provided by: SWPP Contact SWPP |