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Dpreview (Click here) posted the full E-M10 in depth review. The camera earns the Gold Award with a 80% overall score. And I particularly like that part of their conclusion:

The E-M10 is truly an impressive little camera. It holds its own against entry-level DSLRs in terms of image quality and handling, and beats them all in terms of direct control.

And DxOmark (Click here) tested the sensor and writes that overall the camera is a “mini marvel“!

It really brings it to the point! Great camera! And now Olympus, let’s bring some new PEN too :)

Store links for US and Europe:
Special page with all new products at Amazon.
E-M10 Black at Amazon, BHphoto, Adorama, GetOlympus. In EU at Wex UK, Amazon Germany.
E-M10 Silver at Amazon, BHphoto, Adorama, GetOlympus. In EU at Wex UK, Amazon Germany.
E-M10 with 14-42mm lens Black at Amazon, BHphoto, Adorama , GetOlympus. In EU at Wex UK, Amazon Germany.
E-M10 with 14-42mm lens Silver at Amazon, BHphoto, Adorama, GetOlympus. In EU at Wex UK, Amazon Germany.
25mm f/1.8 Black at Amazon, BHphoto, Adorama, GetOlympus. In EU at Wex UK, Amazon Germany.
25mm f/1.8 Silver at Amazon, BHphoto, Adorama, GetOlympus. In EU at Wex UK, Amazon Germany.
14-42mm Black at Amazon, BHphoto, Adorama, GetOlympus. In EU at Wex UK, Amazon Germany.
14-42mm Silver at Amazon, BHphoto, Adorama, GetOlympus. In EU at Wex UK, Amazon Germany.
Olympus SP-100 at Amazon, BHphoto, Adorama.
Olympus TG-850 iHS at Amazon, BHphoto, Adorama.
Olympus ECG-1 Black Camera Grip for E-M10 at Amazon, Adorama.
Olympus 9mm f8.0 Fisheye Body Cap Lens at Adorama, GetOlympus. In EU at Wex Uk.
Olympus V321200BW000 Macro Converter MCON-P02 (Black) at Amazon,

GH4 first 4K shots in Paris (Pre Serial Camera with Beta Firmware) from Emmanuel Pampuri on Vimeo.

The video can be download as original 4K file which is extraordinary! You have to login into the vimeo account to get the download link! Pampuri also posted his first impressions at Pampuri.net.

And here are more test videos:

Panasonic GH4 2fps 1920×1080 24p

Panasonic GH4 – CineLike and Master Pedestal features for Filmmakers

North American preorders, shipping date and price:
GH4 camera at Amazon (Click here), Adorama (Click here), BHphoto (Click here), and Panasonic (Click here). Price: $1,698. In Canada at Vistek (Click here).
GH4 camera with interface unit at Amazon (Click here), Adorama (Click here) and BHphoto (Click here). Price: $3,298
Interface unit only at Amazon (Click here), Adorama (Click here), BHphoto (Click here) and Panasonic (Click here). Price: $1,998

Here is the updated GH4 preorder list:
Germany: Wexcameras, Marcotec-shop.de.
UK at Wexphotographic, CameraWorld, UKdigital, CVP, TipTop.
Holland at Fotohanskeuzekamp.
Belgium at Fotokonijnenberg.
Norway at Fotovideo.
Sweden at Cyberphoto, Skandinavianphoto.
Finland at Telefoto, Topshot, Verkkoauppa.
France at Photocineshop.

On top you can watch the Leica Nocticron 42,5mm f/1.2 lens video review made by frugalfilmmakers. But the big question of the moment is, can the lens beat the optical performance of the $600 cheaper Fuji 56mm f/1.2 lens? Both lenses have been released at about the same time, both have the same f/1.2 speed at the same focal length (85mm FF equivalent). While the Nocticorn is much more expensive it also has a built-in lens stabilization (the Fuji has not) and a faster AF performance. Admiringlight had the lucky chance to test both lenses at the same time and writes:

• Wide open, the Panasonic Leica has notably higher contrast straight out of camera.  It really has remarkable contrast for an f/1.2 lens. You can process the Fuji images with a simple contrast adjustment in post to match this, but it doesn’t get that high contrast pop until about f/2.2 straight out of camera.
• The Fuji exhibits some spherical aberration wide open, which may show as a glow with high contrast subjects such as white text on a black background.  The Panasonic Leica exhibits extremely minimal spherical aberration.
• While both lenses can show some Longitudinal CA at wide apertures, the Nocticron displays it much more readily.   High contrast areas immediately in front and behind the focus point display as a magenta or green fringe.  Still, both lenses do a decent job in this department considering the speed.
• Price.  Here’s it’a s huge win for the Fuji, coming in at $999 vs. the $1599 of the Nocticron.  You do get optical image stabilization with the Leica, but I’m not sure that makes up the full $600 difference between the two lenses.

So overall the Panasonic wins the performance test. But it’s up to you to judge if that edge in performance, the in lens IS and faster AF are worth the $600 price difference. Be sure to read the full review at Admiringlight to learn more about the lenses!

You can buy the lens at Amazon US (Click here), Adorama (Click here) and BHphoto (Click here). In UK at Wexphotographic (Click here). In Germany at Redcoon (Click here), Technikdirekt (Click here).

P.S.: Nocticron vs A7+Canon 85mm lens by Derrick Pang.