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Review Panasonic 14-140mm f/4-5.8 ASPH MEGA OIS LUMIX G VARIO HD (Micro 43)

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The Panasonic 14-140 mm zoom lens has entered the market mid-2009, as one of the first lenses for the Micro-43 system. The Panasonic 14-140 mm combines a 10 times zoom range to a nearly silent autofocus and integrated image stabilization. This makes the lens ideal for making videos. But for a photographer who wants to minimize lens exchange or occasionally wants to go out with one lens, this is an ideal choice too.

Panasonic 14-140 mm test, superzoom, test Panasonic 14-140 mm

Panasonic 14-140 mm test, superzoom, test Panasonic 14-140 mm
Panasonic 14-140 mm @ 14 mm, 160 ISO, f/5, 1/160
Panasonic 14-140 mm test, superzoom, test Panasonic 14-140 mm
Panasonic 14-140 mm @ 140 mm, 160 ISO, f/5.8, 1/200
The Panasonic 14-140 has an impressive range of, to speak in "compact camera language": "10 x optical zoom".

Construction and autofocus

 
It is nice that the image stabilization can be turned off or on via a button on the lens. The drive of the AF is made extra quiet because this lens is also intended for video. Focusing with the Panasonic 14-140 mm with a Panasonic GH2 is not only silent, but also fast. There is sometimes searching in low light, but there are more cameras that suffer from that, both traditional SLR cameras with phase-detection AF and other cameras with contrast AF.
Specifications
Panasonic 14-140 mm f/4-5.8 ASPH MEGA OIS LUMIX G VARIO HD
Image Stabilization:+
lenses/ groups:17/13
length x diameter:84 / 70
filter size:62
Weight:460
Lens hood:+

Image stabilization

 
This time, the test of the image stabilization is performed with a relatively long focal length: 140 mm (280 mm @ full-frame). Because you do not suffer from a mirror that flips up and down when taking a photo, you can even take handheld shots without image stabilization at longer shutter speeds than with an SLR. The image stabilization ensures that you still get a 50% chance to have a sharp picture at the longest focal length at a shutter speed of 1/13 second! That is just very good. IS-Panasonic-14-140

Vignetting

 

At the extreme focal lengths on the zoom range, 14 mm and 140 mm, vignetting is visible in the corners. Yet even there, the vignetting, less than 1 stop, is well controlled.

Move your mouse over the graph to view the measured vignetting from 50 to 140 mm.

 

WAvignet

Distortion

Apart from the clearly visible barrel distortion at 14 mm, the distortion is low throughout the zoom range. Panasonic applies correction to the distortion, both on the jpg files - using regular RAW converters like Lightroom or ACR - the RAW files.

distortion-jpg-panasonic-14-140

Bokeh

 

Bokeh is not a section where this lens excels. This is caused by the small sensor in combination with the relatively small opening.

Click on the image to view the Bokeh.

 

mini-Bokeh-panasonic-14-140at140mmf58 1050448

Flare

 
Despite a relatively complex design, with 17 lenses in 13 groups, we have not come across flare or ghosting in the field test. We have to post a comment on that though; during the short test period we only had clouds, so we have encountered no direct sunlight that could make it more difficult for this lens. The backlight test in the studio was endured well by the Panasonic 14-140 mm lens.  1040949

Resolution

 

The sharpness of this lens is very good in the range from 14 mm to 35 mm. Above the 35 mm, you win considerably in sharpness by stopping down to aperture 8. Above the 100 mm, it does not help anymore and the focus remains behind somewhat. In all cases, the sharpness in the corners lags behind the center.

Click on the histogram to view the resolution at several focal lengths.

 

14resol

The longer the focal length, the less sharp the images become. In practice, this is especially visible when you compare the two extreme focal lengths directly.

In the Panasonic GH2 test are a few more practice shots taken with the Panasonic 14-140 mm lens.

Move your mouse over the image to compare the sharpness in the corners at 140 mm (750 LW/PH) with the sharpness in the corners at 14 mm (1000 LW/PH)

WidesamplePanasonic-14-140-zoom

Chromatic aberration

 
With the Imatest measurements, we encountered a chromatic aberration over 0.1% from the distance to the center a couple of times. This may mean that in practice you could sometimes encounter chromatic aberration. In practice, we encountered no chromatic aberration with this lens.

Move your mouse over the image to view a 100% crop of a corner at the place of the red rectangle.

CAoverview

Click on the histogram to view the with Imatest measured chromatic aberration of all focal lengths. 14ca

Conclusion

Panasonic 14-140mm f/4-5.8 ASPH
MEGA OIS LUMIX G VARIO HD
 1050425-bewerkt

 

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See our list of tested lenses or our list of tested micro-43 lenses to compare the performance of this lens to other lenses.

Pros

  • Large zoom range
  • Quiet AF and integrated IS
  • Low vignetting or distortion
  • Up to 100 mm: high resolution
  • Compact

Cons

  • Distortion at 14 mm
  • Lower resolution at longer focal lengths

The Panasonic 14-140 mm is an attractive kit lens with multiple positive attributes. Up to a focal length of 50 mm, the optical performances are very good, and then they slowly continue to decrease. Apart from the wide angle, the distortion is well controlled. The silent AF and built-in IS make the lens an ideal companion for the video enthusiast or the photographer who wants to have just one lens. This Panasonic 14-140 mm kit lens has a much larger zoom range than the Panasonic 14-42 mm kit lens, while the Panasonic 14-140 mm is less than 2 cm longer. But the price difference is large; the Panasonic 14-140 mm is much more expensive. Mind you.

 

Ivo Freriks
Author: Ivo Freriks
With Camera Review Stuff I hope to make a modest contribution to the pleasure that you get from photography. By testing cameras and lenses in the same way, evluating the results and weighing up the pros and cons, I hope to help you find the right camera or lens.

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