Canon EF 24-105mm f/4L IS USM. The Canon EF 24-105mm f/4L IS USM is a real walk-around general purpose zoom. Not to big, not to heavy, IS, very nice reach and good IQ. I like it more than the 24-70 F2.8L, witch is big and no IS. I bought this zoom when it came out ans still you it with lots of pleasure.
Build quality is excellent. The Canon EF 24-105mm f/4L IS II USM feels very solid in your hand, even if it is mostly made out of plastic, and it features enhanced resistance to shock and vibration and weather-proofing too. The focusing ring is generously wide, and has a ridged, rubberised grip band.
Here are some more results of tests on the 24-105mm f4-7.1 IS STM. * After about 500 shots single AF accuracy is close to 100% on the RP. * I tested servo AF at 4 fps with a person walking towards the EOS RP but quite close so there was quite a large focus change between frames. 96% of frames were tack sharp.
ixhl2.