PANASONIC LUMIX GX VARIO 12-35mm F2.8 ASPH Just Reviewed

Dslrmagazine.com a Spanish website has just reviewed the Panasonic Lumix GX Vario 12-35mm F2.8 Asph lens. It is a zoom lens designed for Micro Four Thirds cameras providing an equivalent field of view of 24-70mm (Full Frame equivalent).

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds

This lens is part of the X family, being therefore a high grade one, and offers a constant aperture of F2.8 and it is weather sealed (so rumors could be right of a weather sealed GH3).

Panasonic managed to make it compact having a width of 67.6mm, length of 73.8mm and a weight of 305 grams.

It is supported with Power OIS image stabilization having a dedicated button to turn it on and off. The minimal focal distance of the lens is of 25cm so it can be used for some interesting close up photography although it is not a dedicated macro lens.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds O.I.S. - image stabilization
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds O.I.S. – image stabilization

We can see in the next image a comparison of size between the Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds and a third party 24-70mm lens from Tamron for DSLR cameras showing up some of the advantages of Micro Four Thirds Compact System towards Full Frame in terms of size.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds vs Tamron 24 70mm F2.8 for DSLR lens
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds vs Tamron 24 70mm F2.8 for DSLR lens
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Animated View
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Animated View

Dslrmagazine.com has also made a technical review of the lens at each one of the focal ranges.

 Panasonic Lumix GX Vario 12-35mm F2.8 Technical Review at 12mm

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Resolution
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Resolution at 12mm

At 12mm we can see that in terms of center and corner sharpness lens behaves almost the same at an aperture of F2.8, F4 and F11 been the sharpest of all at F8. From F11 onwards it starts loosing resolution due to difraction. At the center of lens there are no chromatic aberrations being just very few at the corners together with some astigmatism. For the rest of the focal lens results are very similar.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Vignetting
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Vignetting at 12mm

As for Vignetting at 12mm it is present below F5.6 but closing down from there it is almost absent.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Distortion
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Distortion at 12mm

Distortion does exist at 12mm but we can not ask for more at this wide angle and it can be taken care of during post processing.

 Panasonic Lumix GX Vario 12-35mm F2.8 Technical Review at 18mm

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Resolution at 18mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Resolution at 18mm

At 18mm (36mm full frame equivalent) the Panasonic Lumix GX Vario 12-35mm F2.8 also shows its best results at an aperture of 5.6. Difraction starts to hit from F11 onwards.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Vignetting at 18mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Vignetting at 18mm

At 18mm there is less vignetting occurring when compared to 12mm which is to be expected.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Distortion at 18mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Distortion at 18mm

At 18mm there is no visible distortion when compared at 12mm.

 Panasonic Lumix GX Vario 12-35mm F2.8 Technical Review at 25mm

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Resolution at 25mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Resolution at 25mm

At 25mm best results are achieved at an aperture of F8 and difraction starts hitting from F11 onwards.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Vignetting at 25mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Vignetting at 25mm

When compared to focal distance of 18mm there is a slightly more vignetting at F2.8 when shooting at 25mm.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Distortion at 25mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Distortion at 25mm

 Panasonic Lumix GX Vario 12-35mm F2.8 Technical Review at 35mm

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Resolution at 35mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Resolution at 35mm

At the longest focal range of 35mm (70mm full frame equivalent) the Panasonic Lumix GX Vario 12-35mm F2.8 has slightly less resolution when compared to the other focal ranges. The biggest resolution at centre is found at F2.8, F4 and F5.6 while at corners it is at F8. Difraction also starts from F11 onwards.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Vignetting at 35mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Vignetting at 35mm

Vignetting presents very similar results at 35mm, 18mm and 25mm.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review - Distortion at 35mm
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Technical Review – Distortion at 35mm

At 35mm distortion starts to slightly occur though it can be corrected during post processing.

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds Conclusion

Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds with Lens Hood
Panasonic Lumix GX Vario 12 35mm F2.8 Asph for Micro Four Thirds with Lens Hood

With the release of the Panasonic Lumix GX Vario 12-35mm F2.8 Micro Four Thirds world gained access to a very versatile lens with very good optical quality. As it is a fast zoom lens (biggest aperture of F2.8) with OIS stabilization it justifies the price of 1100 EUR. It is also a nice touch of Panasonic to supply a lens hood for the lens.

Technical data of the Panasonic Lumix GX Vario 12-35mm F2.8

Panasonic Lumix GX Vario 12-35mm F2.8

Mount Micro Four Thirds
Focal Distance Range 12-35mm (24-70mm Full Frame equivalent)
Angles of view 84º a 34º (24-70mm Full Frame equivalent)
 Aperture range F2.8-F22
 Number of lens/groups 14/9
Minimal Focus Distance 25mm
Lens Stabilization Yes
Filter diameter 58mm
Size 67.6×73.8mm
Weight 305 grams
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3 Responses to Review of the Panasonic Lumix GX Vario 12-35mm F2.8

  1. […] Add Comment Korean photography website Popco.net has posted up a test on the focus speed of the Panasonic 12-35mm F2.8 X lens for Micro Four Thirds Compact System Cameras. Panasonic GX1 with Panasonic 12-35mm F2.8 X Lens for Micro Four Thirds Compact System Cameras […]

  2. […] F2.8 lens based on the 17-50mm F2.8 OS lens and is going to be a very serious contender for the Panasonic 12-35mm F2.8 X lens. The construction is based will be similar to the 17-50mm F2.8 OS lens providing a full frame […]

  3. […] F2.8 lens based on the 17-50mm F2.8 OS lens and is going to be a very serious contender for the Panasonic 12-35mm F2.8 X lens. The construction is based will be similar to the 17-50mm F2.8 OS lens providing a full frame […]

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