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lens:pensmc400-600mmf8-12reflex
Table of Contents
Pentax SMC 400-600mm f/8-12 Reflex
Summary
This extreme-telephoto zoom is compact at the expense of speed. The aperture cannot be adjusted but varies when zooming. The front filter diameter is 67mm. A filter thread at the rear accepts 40.5mm filters.
Tech Specs
| Manufacturer | Pentax |
| Series | K Series Reflex |
| Model | SMC |
| Focal Length | 400-600mm |
| Max Aperture | f/8-12 |
| Min Aperture | f/8-12 |
| Format | Full-Frame |
| Image Circle | - |
| Minimum Focus | 300cm |
| Focus Rotation | ° |
| Iris Blades | none |
| Optical Design | 12/7 |
| Squeeze | none |
| Front Diameter | 82mm |
| Filter Thread | 67mm, 40.5mm (rear) |
| Focus/Zoom Rod | none |
| Native Mount | Pentax K |
| Data Protocol | none |
| Length | 108mm |
| Weight | 730g |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | - |
| Iris Drive | - |
| Zoom Drive | - |
History
Country of Origin:
Release Date: 1984
Launch Price:
Design Revisions:
Service
Cine-Mod
Notes
Media
lens/pensmc400-600mmf8-12reflex.txt · Last modified: 2026/07/09 09:33UTC by Justin Rhoads