Helios 28mm f/2.8 (1979)
This Helios was manufactured by a Japanese company called TOE using Russian Helios brand name.
| Name | Helios 28mm f/2.8 |
| Manufacturer | TOE |
| Made in | Japan |
| N° | 831925-4 |
| Production Code | |
| Production Date | |
| Lens Mount | M42 |
| Focal Length | 28mm |
| Max. Aperture | f/2.8 |
| Min. Aperture | f/22 |
| Diaphragm Blades | 6 |
| Closest Focusing Dist. | 0.36m |
| Filter Diameter | 49mm |
| Lens Construction | |
| Length & Weight | 41mm, 192g |
| Production Period | 1979- |
| Original Price |
(source: Canon Camera Museum, Wikipedia.org, Camera-wiki.org, allphotolenses.com/)