Glass negatives are images on a transparent glass plate where the dark areas appear light and vice versa. They are used create a positive image – the photographic print. Glass plates were popular from 1841 until the late 20th century, when film replaced glass carriers because it is more user-friendly. You can still often find glass negatives at flea markets.
Read more
Dimensions
The dimensions can range from 4.5 x 6 cm to 30 x 40 cm, with a whole series of (sometimes unusual) formats in between.
![](https://knowyourcarrier.com/wp-content/uploads/2023/04/glasnegatieven2-EN.jpg)
Storage
Glass negatives must never be stored at temperatures below freezing as this can cause them to break. Environments that are too dry or humid can also cause damage.
![glasnegatief](https://knowyourcarrier.com/wp-content/uploads/2023/02/glasnegatieven3.png)
Did you know …
… the area around Charleroi in Belgium was once world-renowned for its high-quality glass plate production?