Rosko was an importer of toys in the USA. It is unclear if it was based in the US or in Japan. It used the label "Rosko Tested".
Cameras with the Rosko brand
| Rosco Diana clone|
image by Voxphoto (Image rights)
- Rosko Brilliant
- Rosko, a name variant of the Diana (as seen in the Camera-wiki.org crossed-forks logo!)
- Roskoflex, a 4×4cm pseudo TLR, name variant of the Bedfordflex made in Hong-Kong
- McKeown, James M. and Joan C. McKeown's Price Guide to Antique and Classic Cameras, 12th Edition, 2005-2006. USA, Centennial Photo Service, 2004. ISBN 0-931838-40-1 (hardcover). ISBN 0-931838-41-X (softcover).