I'm selling these days my beloved Canon 10-22 with all the DSLR stuff, and wondered if the Lumix 7-14 could provide the same service when attached to my E-P5.
Scene not to get cold these days: home sitting room.
HDR CAPTURE3 shots bracketing at 3 EV intervals allowed to check for good sensor linearity in the E-P5. I regret not putting more attention in obtaining perfect vertical alignment.
Relative exposure between shots shows perfect gauss distributions, evidence of good sensor linearity:
This is the % contribution of each shot and blending map. The RAW files where mixed using Zero Noise.
SCENE'S DRAbout 12 stops as usual in indoor scenes with sunny windows. The Zone System with 1EV width zones is displayed:
HDR SNR IMPROVEMENT100% crop comparing noise between the only RAW file that preserved the highlights and the most exposed RAW:
Note a
hot pixel over the BCN chair (DCRAW doesn't process hot pixels).
LUMIX 7-14 DISTORTIONNo correction applied at 12mm and RAW distortion is extremely low (ignore the slight bend on the wooden panels on the right, they bent a bit with time):
Click to see at 1024:
http://www.guillermoluijk.com/article/lumix714hdr/salon.jpgLUMIX 7-14 SHARPNESSISO200, f/7.1, focus on the pufs.
Centre 100% crop: very good sharpness. Texture on the coach is not noise but false colours probably produced by a weak AA filter:
Border 100% crop: sharpness falls a bit but still pretty good:
LUMIX 7-14 CHROMATIC ABERRATIONDCRAW reveals the bad news: RAW CA are quite strong in contrasty borders:
Not yet sure if I'm noticeably going to loose performance when using this Lumix 7-14 instead of the Canon 10-22. Both seem to show the same strongholds (distortion and sharpness) and weakenesses (CA). I have to try many other focal lenghts though.
Any thoughts?.
Regards