35mm film cassettes
35mm film cassettes, specifically the standardized 135 daylight-loading cassettes, are pre-loaded, single-use containers holding 35mm-wide photographic film with double sprocket perforations, designed for easy loading in daylight without darkrooms. Introduced by Kodak in 1934, they…
Key facts
- First appeared
- 1934
- Category
- technology
- Problem solved
- Simplified film loading for still photographers by allowing daylight insertion into cameras, eliminating the need for darkrooms, manual film cutting, and reusable cassettes that were prone to light leaks and handling errors.
- Platforms
- Motion picture cameras (related), 35mm still cameras
Related technologies
Notable users
- Eastman Kodak
- Leitz (Leica)
- Zeiss (Contax)
- Agfa
- Canon