With an equivalent length of 600mm at the telephoto end, this lens is great for getting in close

Product Overview

Overall rating:

89%

Panasonic Lumix G-Vario 100-300mm f/4-5.6 Mega OIS

Image Quality:85%
Performance:90%
Value:90%
Overall score:89%
Design:90%
Features:90%

Pros:

  • "600mm" angle of view

Cons:

  • Poorer performance at longer focal lengths

Product:

Panasonic Lumix G-Vario 100-300mm f/4-5.6 Mega OIS Review

Manufacturer:

Price as reviewed:

£440

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With a maximum focal
 length of 300mm,
 which is equivalent to 600mm on a full-frame camera, it’s clear that the G-Vario 100-300mm – suitable for Panasonic and Olympus Micro Four Thirds cameras – is something not to be dismissed lightly.

It’s also impressive that Panasonic’s new G-Vario 100-300mm f/4-5.6 Mega OIS (Optical Image Stabilisation) zoom is little bigger than an old-fashioned full-frame 135mm prime lens. It is sleekly designed, with a broad zoom ring dominating the lens barrel. There is a narrower manual-focus ring towards the front of the lens and a two-position slider that activates the Mega OIS system at the rear.

Different image stabilisation modes can then be selected from within the host camera’s menu.
Partly due to its streamlined design and partly thanks to perfect positioning of the zoom ring, this is a lovely lens to use in the field. Sports, action and nature subjects are all well within its grasp thanks to a reliable AF system, and the optical image stabiliser does a superb job of steadying the viewfinder image.

The maximum aperture shrinks from f/4 at 100mm to f/5.6 at 300mm but this is a very acceptable limitation when the broader picture is taken into account. In particular, it is sobering to note that many 600mm f/4 lenses for full-frame cameras can sell for up to £10,000 and 400mm f/4 lenses aren’t far behind. Panasonic’s G-Vario 100-300mm, on the other hand, covers the same angle-of-view as a full-frame 200-600mm zoom yet costs under £500. Quite the difference.

Results are best at the shorter focal length, where best sharpness was achieved. Overall the zoom’s MTF results are variable – the results at 100mm are very good down to f/16 and at 200mm they are solid down to f/11. It’s just a shame that the longest 300mm focal-length, which is probably the best reason to buy this lens, coincides with the weakest MTF results and, therefore, least sharp results.

On the other hand, chromatic aberrations are all but absent, meaning there is only slight softness (rather than any colour fringing) to contend with at some of the available focal lengths. The host-body’s (we used a Panasonic GH1) Electronic Viewfinder (EVF) can become a little jerky when image stabilisation is enabled and even the latest high-resolution EVFs are still no match for the clarity of an optical viewfinder (though this is a symptom of the system rather than the lens).

 

 

Lumix_100-300mm_OIS_MTF_Graph.jpg

 

Sample images

Verdict

Overall, however, this is a really impressive lens. And so compact it is that an observer would never imagine the power of its distance-shrinking abilities. At £440, even with a rather weak MTF curve at 300mm, it is also something of a bargain.

Full Specification

Minimum Aperture:
f/5.6

Lens Mount:
Micro Four Thirds
Filter Thread:
67mm

Image Stabilisation:
Yes
Focus Method:
AF, MF

Minimum Focus:
150cm
Maximum Aperture:
f/4

Lens Construction:
17 elements in 12 groups
Weight:
520g

Diagonal Angle of View:
12-4.1 degree
35mm Equivalent Focal Length:
200-600mm

Dimensions:
74 x 126mm
Focal Length:
100-300mm

Maximum Format Size:
Micro Four Thirds
Date Introduced:
March 2011

  1. 1. Introduction
  2. 2. Sample images
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