Tests of a few Long Lenses and Teleconverters on an Olympus E-300
Olympus E-300, ISO 400, 5300K WB, Manfrotto Triminor Tripod, Manfrotto 410 Geared Head, Remote Shutter Release
| Lens | Teleconverter | Effective Focal Length | Marked Aperture | Effective Aperture | Image |
| Zuiko Digital 14-45 @14mm | None | 14mm | f8 | f8 |
|
| Zuiko Digital 14-45 @45mm | None | 45mm | f8 | f8 |
|
| Tamron SP 500mm f8 (Mirror) | None | 500mm | f8 | f8 |
|
| Tamron SP 500mm f8 (Mirror) | Tamron SP 2X | 1000mm | f8 | f16 |
|
| Tamron SP 500mm f8 (Mirror) | Tamron SP 2X + Tamron SP 1.4X | 1400mm | f8 | f22 |
|
| Tamron SP 500mm f8 (Mirror) | Tamron SP 2X + Tamron SP 1.4X | 1400mm | f8 | f22 |
|
| Tamron SP 300mm f5.6 | None | 300mm | f11 | f11 |
|
| Tamron SP 300mm f5.6 | Tamron SP 1.4X | 420mm | f11 | f16 |
|
| Zuiko 300mm f4.5 | None | 300mm | f8 | f8 |
|
| Zuiko 300mm f4.5 | Zuiko 2X-A | 600mm | f8 | f16 |
|