Film fait avec un D800 par John Walsh

A short film made by fashion photographer John Walsh shown at the UK launch of the Nikon D800. All stills and moving image in this film was shot on the D800.

http://vimeo.com/38009435

Comparaison évolution boutons Nikon - Canon

Intéressant. Nikon est assez conservateur sur ce coup là. D'un autre côté, en changeant de boîtier, on reste en pays connu.

Cliquez sur l'image pour l'agrandir.

Nikon Movie Shooting Guide

Une nouvelle série d'aide sur le site Nikon Pro dédiée à la prise de vidéo.

http://nps.nikonimaging.com/movie_shooting_guide/

Un essai d'accessoires sur un modèle de présérie

http://www.dslrnewsshooter.com/2012/02/29/notes-on-the-nikon-d800/

My first impression was that the camera body is very well built, similar to the D700 but with a more rounded appearance. The grip was very comfortable in my hands, Keith has much bigger hands than me but too commented how nice it was to hold.

The only D4 video feature I found missing from the D800 is the the 2.7x 1080P crop mode. The D800 only has full frame (FX) and 1.5x (DX) crop options. 

Audio is the same as the D4 with manual control in 20 steps and a headphone jack.
On the preproduction D800 and D4 cameras we also found it was impossible to change the audio level once recording.

We tried both the SmallHD DP6 and Zacuto EVF fed via HDMI from the D800 and they worked as they should without the need for firmware mods – good news. 

Looking at the image on the DP6 it seemed very clean and crisp, even at 1-1 pixel mode. Noise was well controlled.There was moire evident on the monitor though and I assume that Nikon are using line skipping techniques to generate the video output (the current Canon DSLRs suffer from similar moire). Remember that this was a pre-production camera and the final unit may be different. I could not make a fair assessment of sharpness and colour as we were in a poorly lit room with no broadcast monitor.

One other thing that we checked was how well the Zacuto Z-Finder works with the D800. The screen is a little bigger than the previous models and I thought it might not cover. I held the Z-finder to the back of the camera and it seemed fine.

 

Autofocus is not something I recommend for DSLR video shooting, however we did try it on the D800 in video mode. It seems quite quick compared to my 5D mkII but not as fast as newer mirrorless cameras like the Sony NEX7. The focus seems to hunt a little back and forth a lot of the time before settling on the subject.

The D800 is certainly a step up in operability from other DSLRs, if you are a Nikon user already shooting video on a D7000 or D3s then it should be a very welcome upgrade (as long as the image quality is as expected). But with the rumour mill going nuts about the Canon 5D mkII’s possible replacement, I think it will be worth waiting to decide which way to jump if you are in the market for a new DSLR.

Canon EOS 5D Mark III

Ca pousse fort chez Canon avec le lancement du nouveau EOS 5D Mark III

Qualité du boîtier qui arrive au niveau d'un Nikon de même catégorie.
L'escalade de Mpixels s'est arrêtée pour une plus grande qualité des images et de la gestion des ISO.

A voir dans quelques jours un test comparatif entre les 2 nouveautés

http://www.zone-numerique.com/test_230_canon_eos_5d_mark_iii_prise_en_main.htm

 

 

 

Zone numérique

Frustrés par les limitations du canon EOS 5D Mark II, nous accueillons avec satisfaction l'EOS 5D Mark III qui corrige le tir sur de nombreux points : qualité de fabrication, prise en main, visée 100 %, rafale 6 i/s, autofocus 61 points rapide et à plage large, refonte ergonomique, etc. Passer du canon EOS 5D Mark II au Mark III sera un peu comme quand une hôtesse de l'air vient vous extirper de la classe tourisme pour vous annoncer que vous avez été upgradé en classe affaires. D'ailleurs le 5D Mark III, lors de notre prise en main, nous a paru différent / plus agréable à utiliser / plus performant que son prédécesseur, que l'on peut dire que non, il ne s'agit pas de son véritable successeur. Bébé EOS-1D X ou EOS 7D Full Frame, le Canon EOS 5 D Mark III est voué à une carrière commerciale exceptionnelle.
Il ne restera plus qu'à tester en détail sa qualité d'image qui semble aussi avoir été surclassée, peut-être en première...

Mise à jour 11.3.2012:

Une comparaison des capacités ISO/PDR des 2 boîtiers:

 

Le Nikon démarre fort et ne se fait pas rattraper par le Canon. Les ISO au dessus de 12'000 ISO ne devraient pas apporter grand chose.

36 Mpixels en réalité ça donne quoi?

Repris d'un article de macandPHOTO.com. C'est déjà moins impressionnant.

http://www.macandphoto.com/2012/02/nikon-d800-363-megapix-%C3%A7a-fait-quoi-.html

Behind the scenes - interview design team

http://imaging.nikon.com/history/scenes/32/index.htm

our goal was image quality a step above – far superior to any existing D-SLR camera – compressed into a compact camera body.

One of our main design concepts was a camera with image quality, tone reproduction, and sharpness that were a match for high-resolution medium-format cameras."

We didn't see 36.3 megapixels as some astronomical number; we could proceed with confidence because we expected to reach our goal gradually through a series of building blocks: for example, increasing the precision of the image sensor, improving the performance of the optical low-pass filter to match that of a 36.3 megapixel sensor, and developing the high-speed processing technology for the EXPEED 3 image-processing engine and the image-processing software to support high resolutions. In addition, given that Nikon boasts NIKKOR lenses with superior optical performance, we thought that they could be combined with the D800 to get the most from the lenses and camera."

And our conceptual foundation was to provide high image quality in a compact body similar to the D700, one that had to handle well, given that it would be used by professionals and advanced amateurs: not a big body like a medium-format camera, but one capable of the mobility typical of a D-SLR camera. 

From the start we wanted to build a camera notable not just for its pixel count, but for image quality founded on a marriage of high performance and ease-of-use."

We spent considerably more time on development than we have for other models, so there were a lot of improvements. 

"The D800 is targeted at users who insist on a methodical approach to photography. We thought people like that would naturally require a viewfinder with around 100% coverage. Another fundamental consideration was the desire to have our customers make full use of all 36.3 million pixels."

Therefore, we suggest selecting medium or small for normal use and choosing large only for, say, group portraits or very high resolution landscape shots.