I have had the Panasonic 20mm/1.7 pancake lens for some time. That was my lens of choice for walking around or indoor parties. But it was a bit slow with focusing. I heard good things about this 25mm/1.4 lens. Just had it for a few days.

Outstanding Prime

I am old school; still using a Pentax MX with 50 mm 1.4. My wife, however, using the Oly OMD/EM5 with kit zoom. I needed a lens more similar to what I was using. (Yes, I zoom with my feet.) All I can say is "OMG.

Durable; Metal Connections

Bulky; Rectangle Hood