A telephoto lens that was available in both standard c-mount and “RX” mount; the standard version (SWIFI) was introduced in 1954, while the RX mount version (DAIFI) was introduced in 1956. It came with a detachable lens shade.
| Manufacturer | Kern-Paillard |
| Series | - |
| Model | Switar |
| Focal Length | 50mm |
| Max Aperture | 1.4 |
| Min Aperture | 22 |
| Format | - |
| Image Circle | - |
| Minimum Focus | 3' |
| Focus Rotation | 360 |
| Iris Blades | 12 |
| Optical Design | - |
| Squeeze | - |
| Front Diameter | -43mm |
| Filter Thread | - |
| Focus/Zoom Rod | - |
| Native Mount | C |
| Data Protocol | - |
| Length | 2.65“ |
| Weight | - |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | - |
| Iris Drive | - |
| Zoom Drive | - |
Country of Origin:
Release Date: 1950's
Launch Price:
Design Revisions:
This section restricted to Duclos Staff users.
Resource info:http://www.bolexcollector.com/lenses/50kern.html
Service Manual: Disassembly/Re-assembly
Full CLA: 4-5? hrs.
Enter relevant notes here
…end of Staff section
This section restricted to Duclos Staff users.
Focus Ring O.D.:
Zoom Ring O.D.:
Iris Ring O.D.:
De-click Y/N:
Mo
unt Conversion:
Additional Notes:
…end of Staff section