Steve Monks
Senior Member
I was lucky enough to grab the new Panasonic Leica 12-60 lens today. Unfortunately it was dark and rainy by the time I got home, so there were no particularly good opportunities to try it outdoors, rest assured it will be out on the fells in the Lake District with me at the end of the week, however I was keen to see how it compared against the 12-35, the lens it will effectively be replacing for a bit of extra reach when out on the fells so I ran off a few test shots.
The test shots are not particularly exciting or scientific and shouldn't be taken as proof of one lens being better than the other due to sample variation and so on, but they may be of interest to someone who owns the 12-35 and is thinking of purchasing this lens.
All shots were taken with the lenses mounted on an E-M1 MKII on a static tripod and converted from RAW to full res JPGs via Lightroom with no other adjustments.
For the target shots I attempted to get the camera as square on as possible, but this was just done by eye. The 25mm and 35mm shots are at focal lengths estimated using the value displayed in the EVF, more so with the 35mm length on the 12-60 as that value successfully falls between the granularity of the encoder which jumps directly from 34 to 36.
One interesting thing I've noticed is the DOF appears to fall off very sharply in front of the focal point on the 12-60 but falls off sharply behind the focal point on the 12-35. I'm guessing this is related to close focusing distances, so I don't anticipate this to be an issue when I get (literally) out in the field, but when I first noticed this I thought I had a decentred lens.
My personal opinion from this limited testing is that the 12-60 looks a little sharper across the frame than the 12-35, I'd have been happy for it just to equal it, so this is a good start and I'm really looking forward to getting out on the fells and giving it a proper workout.
First, a grid. The built in lens profiles have been left on during export, so this doesn't really show uniformity issues as LR should be correcting them, but does highlight any corner sharpness and CA issues.

Pana/Leica 12-60 @34mm f/5.6

Lumix 12-35 @35mm f/5.6
This sloping focusing chart clearly shows how the 12-60 focus falls off in front of the target point - a single focus point in the centre circle.

Pana/Leica 12-60 @35mm f/8
With the 12-35, the focus falloff seems to go the other way.

Lumix 12-35 @35mm f/8
The next set of shots are taken at 12, 25 and 35mm focal lengths (all f/5.6). The focal point in all of these is the IC near the middle with "EF ROM 342-0303" written alongside it.

Pana/Leica 12-60 @12mm f/5.6

Lumix 12-35 @12mm f/5.6

Pana/Leica 12-60 @25mm f/5.6

Lumix 12-35 @25mm f/5.6

Pana/Leica 12-60 @ 35mm f/5.6

Lumix 12-35 @35mm f/5.6
The test shots are not particularly exciting or scientific and shouldn't be taken as proof of one lens being better than the other due to sample variation and so on, but they may be of interest to someone who owns the 12-35 and is thinking of purchasing this lens.
All shots were taken with the lenses mounted on an E-M1 MKII on a static tripod and converted from RAW to full res JPGs via Lightroom with no other adjustments.
For the target shots I attempted to get the camera as square on as possible, but this was just done by eye. The 25mm and 35mm shots are at focal lengths estimated using the value displayed in the EVF, more so with the 35mm length on the 12-60 as that value successfully falls between the granularity of the encoder which jumps directly from 34 to 36.
One interesting thing I've noticed is the DOF appears to fall off very sharply in front of the focal point on the 12-60 but falls off sharply behind the focal point on the 12-35. I'm guessing this is related to close focusing distances, so I don't anticipate this to be an issue when I get (literally) out in the field, but when I first noticed this I thought I had a decentred lens.
My personal opinion from this limited testing is that the 12-60 looks a little sharper across the frame than the 12-35, I'd have been happy for it just to equal it, so this is a good start and I'm really looking forward to getting out on the fells and giving it a proper workout.
First, a grid. The built in lens profiles have been left on during export, so this doesn't really show uniformity issues as LR should be correcting them, but does highlight any corner sharpness and CA issues.

Pana/Leica 12-60 @34mm f/5.6

Lumix 12-35 @35mm f/5.6
This sloping focusing chart clearly shows how the 12-60 focus falls off in front of the target point - a single focus point in the centre circle.

Pana/Leica 12-60 @35mm f/8
With the 12-35, the focus falloff seems to go the other way.

Lumix 12-35 @35mm f/8
The next set of shots are taken at 12, 25 and 35mm focal lengths (all f/5.6). The focal point in all of these is the IC near the middle with "EF ROM 342-0303" written alongside it.

Pana/Leica 12-60 @12mm f/5.6

Lumix 12-35 @12mm f/5.6

Pana/Leica 12-60 @25mm f/5.6

Lumix 12-35 @25mm f/5.6

Pana/Leica 12-60 @ 35mm f/5.6

Lumix 12-35 @35mm f/5.6














