This compact 300mm lens is the only member of the M* series.
| Manufacturer | Pentax |
| Series | M* Series Prime |
| Model | SMC |
| Focal Length | 300mm |
| Max Aperture | f/4 |
| Min Aperture | f/32 |
| Format | Full-Frame |
| Image Circle | - |
| Minimum Focus | 400cm |
| Focus Rotation | ° |
| Iris Blades | 8 |
| Optical Design | 8/7 |
| Squeeze | none |
| Front Diameter | 84mm |
| Filter Thread | 77mm |
| Focus/Zoom Rod | none |
| Native Mount | Pentax K |
| Data Protocol | none |
| Length | 132mm |
| Weight | 825g |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | - |
| Iris Drive | - |
| Zoom Drive | - |
Country of Origin:
Release Date: 1981
Launch Price:
Design Revisions:
This section restricted to Duclos Staff users.
Service Manual: (Insert link to manual here)
Full CLA: TBD hrs.
…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: -
Additional Notes:
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