The Olympus 40-150 and the Panasonic 45-150 are both telephoto zoom lenses for Micro Four Thirds cameras, giving a reach equal to roughly 80-300mm on full frame. Both are mainly compact and light travel zooms, but Olympus has made more than one 40-150, so confirm which version you mean.
What These Lenses Are For
A Micro Four Thirds sensor has a 2x crop factor, so a 40-150mm lens frames like an 80-300mm lens on full frame. That suits portraits at a distance, wildlife, sports in good light and compressed landscapes.
- The Panasonic 45-150 is generally known as a small, light telephoto zoom with a variable aperture.
- The Olympus name covers a compact variable-aperture zoom and also a larger constant f/2.8 PRO lens.
- Because of that, check the full model name before comparing anything.
Key Points of Comparison
| Area | Olympus 40-150 | Panasonic 45-150 |
|---|---|---|
| Focal range | 40-150mm | 45-150mm |
| Mount | Micro Four Thirds | Micro Four Thirds |
| Compact version | Variable aperture | Variable aperture |
| Wide end of zoom | Slightly wider at 40mm | Slightly narrower at 45mm |
Both mounts accept either brand’s lenses on bodies from either maker, so you are free to mix. Lens corrections and stabilization sometimes work best when lens and body come from the same brand, so check the maker’s notes.
How to Choose
- Decide whether you want small and light or fast and bright. Variable aperture zooms save weight, and constant f/2.8 zooms help in dim light and give a stronger background blur.
- Check which stabilization your body offers. Some bodies stabilize in the sensor, and some lenses add their own.
- Check the filter thread size if you already own filters.
- Consider what you shoot most. For sunny travel days, a compact zoom is easy to carry.
- Read the exact model name and the maker specs before you buy used or new.
Shooting Tips at Telephoto
For handheld work, a shutter speed of roughly 1/300 or faster is a common guide at the long end, because the crop factor increases the effect of shake. Stop down a little for sharper results, and use continuous autofocus for moving subjects. A monopod or a nearby wall can steady the lens when light drops and you cannot raise the shutter speed any further.
FAQ
Is the 2x crop factor a problem for telephoto work?
It is an advantage for reach. A small lens gives a long field of view, though low-light noise is usually higher than on larger sensors.
Can I use these lenses on any Micro Four Thirds camera?
Yes, they share the mount. Autofocus speed and features can differ by body.
The Short Version
Choose the Panasonic 45-150 if you want a simple, compact telephoto zoom, and choose the Olympus 40-150 if you prefer a slightly wider zoom range or you are considering the f/2.8 PRO version. Always confirm the exact model on the maker’s page.
