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The name Zuiko means ‘Light of the Gods, They are originally from Japan produced with precision. Olympus’s OM system lenses are from a newer era in Vintage lens world. The lenses have been manufactured from 1972 until 2003. Olympus lenses do hold their value & characters quite well, because of the high quality of inner parts. Some lens manufacturers with a long line of manufacturing, have added plastic parts to the lenses, but Olympus has stuck to with solid, metal designs and excellent coatings.
| Manufacturer | Whitepoint |
| Series | Olympus |
| Model | Pen-F Zuiko |
| Focal Length | 70mm |
| Max Aperture | T2.1 |
| Min Aperture | T16 |
| Format | - |
| Image Circle | ⌀ |
| Minimum Focus | 2ft 9in |
| Focus Rotation | ° |
| Iris Blades | - |
| Optical Design | - |
| Squeeze | - |
| Front Diameter | 95mm |
| Filter Thread | - |
| Focus/Zoom Rod | - |
| Native Mount | PL |
| Data Protocol | - |
| Length | - |
| Weight | - |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | - |
| Iris Drive | - |
| Zoom Drive | - |
Country of Origin: -
Release Date: -
Launch Price: -
Design Revisions:
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Service Manual: (Insert link to manual here)
Full CLA: #hrs.
Enter relevant notes here
Loose Optical core:
General notes from WP: the bearing axles are thinner than the inner diameter of the bearing, we have noticed that when we use 1,0mm and 1,1mm axles they create enough pressure between inner and outer body. The brass rings on both side of the bearings work as a guide and keeps the bearings in a straight position.
We do usually use bearings with 7mm outer diameter (with the brass ring) but we do also have few different sized brass rings for different lenses.
If the optical core seems loose, we usually put shims under the axle what is needed to be shimmed to make the core more tight, or to have it straightened. Nowadays we usually use 1,1mm steel axles as they apply good amount of pressure from the optical core to the inside of the outer body.
Centering optics:
General notes from WP: Olympus 21mm does not have any specific centering adjustments apart from the bearings, we usually have these go straight as we just put these together, but if any misalignment appears, we do shim the axles if needed. Finding out what axle needs to be shimmed is simple by using a projector: If you focus from infinity to close focus and the right side of the projection gets sharp first , the left side of the optical core is further than the right, and vice versa!
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