SUMMARY
The Panasonic Lumix S 20mm f/2.5 lens offers an expansive field of view in a remarkably compact and lightweight design, measuring 69x41mm and weighing just 142g. It features a tough, weather-resistant build with a metal mounting plate and fluorine coating. The autofocus is quick and quiet, with suppressed focus breathing beneficial for video. Its 0.18m minimum focus distance allows for close-up shots and makes it suitable for selfies and vlogging, though it can be prone to ghosting and flare.
TAKEAWAYS
Compact and lightweight design, similar in size to sibling lenses.
Weather-resistant build with a metal mounting plate and fluorine coating.
Suitable for travel, street photography, vlogging, and selfies.
Susceptible to ghosting and flare, and lacks a lens hood.