Panasonic Lumix S 18-40mm f/4.5-6.3 vs Panasonic Lumix S PRO 16-35mm f/4
Panasonic Lumix S 18-40mm f/4.5-6.3 has more in its favour on paper. The Lumix S PRO 16-35mm f/4 gathers more light for low light and background blur; the Lumix S 18-40mm f/4.5-6.3 is lighter and cheaper.
Choose the Lumix S 18-40mm f/4.5-6.3 for
- less weight (155g vs 500g)
- a lower price (about £130 vs £630)
- more reach (40mm vs 35mm)
Choose the Lumix S PRO 16-35mm f/4 for
- a brighter maximum aperture (f/4, about 0.3 stops more light)
- a wider starting focal length (16mm vs 18mm)
- a constant aperture through the zoom range
| Lumix S 18-40mm f/4.5-6.3 | Lumix S PRO 16-35mm f/4 | |
|---|---|---|
| Brand | Panasonic | Panasonic |
| Focal length | 18-40mm | 16-35mm |
| Maximum aperture | f/4.5-6.3 | f/4 |
| Weight | 155 g | 500 g |
| Stabilisation | No | No |
| Weather sealing | Yes | Yes |
| Filter size | 52mm | 77mm |
| Made for | Full frame | Full frame |
| New price | £449 | £1,399 |
| Used at MPB (L-Mount) | £130–£134 | £509–£744 |
Frequently asked questions
Is the Panasonic Lumix S 18-40mm f/4.5-6.3 better than the Panasonic Lumix S PRO 16-35mm f/4?
The Lumix S 18-40mm f/4.5-6.3 offers less weight (155g vs 500g), a lower price (about £130 vs £630), more reach (40mm vs 35mm); the Lumix S PRO 16-35mm f/4 offers a brighter maximum aperture (f/4, about 0.3 stops more light), a wider starting focal length (16mm vs 18mm), a constant aperture through the zoom range.
Which is better value, the Lumix S 18-40mm f/4.5-6.3 or the Lumix S PRO 16-35mm f/4?
On L-Mount, the Panasonic Lumix S 18-40mm f/4.5-6.3 costs about £130 against about £630 for the Panasonic Lumix S PRO 16-35mm f/4 (MPB used where listed, otherwise new; checked 5 November 2026).
Is f/4 worth it over f/4.5?
f/4 gathers about 0.3 stops more light, which helps indoors, at night and for background blur. If you mostly shoot in good light, the slower lens is usually lighter and cheaper.
Do both lenses fit the same cameras?
Both are available for L-Mount.