Camera Labs

The D800 is quite compelling at half the price of the D4. But, I will still go for the D4 and maybe later consider selling the D3 for the D800 or preferably a Dxx that has the D4 sensor (if that follows).

(To AGC888: I quoted $6000 for the D4 althought the Canadian list is $6300 only because I generally get a discount from my local dealer.)

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Peter

Nikon system

The D4 will debut with a selling price of $5999.xx in Montreal w/o discount.

Wonder how long it's going to take for it to drop to $5500.00. Hmmm...

What a dream of a camera. Geez.

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Sony Alpha 700, Minolta 70-210 f/4 and some other stuff

DxOMark is there with measurements for the D4. See for yourself compared with D3s and D700 here.
Up to 1 stop more dynamic range below ISO 1600 than the D3s. Signal-to-noise comparable when scaled to equal output size (print). Pixel-by-pixel (Screen) a small amount (2.5dB) below the D3s.

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Thomas (beware: Nikon-fanboy and moderator!) My Lens Reviews, My Pictures, My Photography Blog
D800+assorted lenses

I handled a D4 yesterday at a local dealer, in nearby Houston, TX, which was actually my second time to do so. The previous time, the demonstrator D4 had a quite heavy 24-70mm lens mounted, which obviously meant a very heavy combination. Yesterday, the D4 had a comparatively tiny 50mm 1.8D, and of course, the difference in weight and handling was dramatic.

It is difficult for me to remember for certain, as it has been a while since I handled a D3 or D3s, but the D4's controls and handling qualities seem to be a bit more favorable for my hands. While I am in no position, financially, to buy a D4, or Canon 1D X, at present, I am going to be attentive to these two cameras, as both will likely be current in the 2013 to 2015 time period, when I may well retire from public service, and be in a position to use tax-deferred savings to purchase a professional-level camera to use in either a second career, or volunteer work.

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Canon 7D/5D/40D/1D2N; Nikon F6, FM3A, & Coolpix A; Canon 40mm Pancake, 135L, 50L, 35L, pre-II 50mm 1.8, 100mm 2.8L Macro, 10-22mm EF-S, 28-135 EF, 400mm 5.6L; Nikkor 50mm 1.2 AI-S, 50mm 1.4G, 50mm 1.8D, 16mm 2.8D Fisheye, 180mm 2.8D, 100-300mm 5.6 AI-S; Tokina 17mm & 100mm 2.8 Macro

The D4 is pretty nice indeed. I'm helping out a friend who is a photographer and she does have the D4 + 24-70mm combination. I like it. I could use it if I wanted to and if she doesn't need it at that time - so if you want some test shots it shouldn't be a problem.

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Canon EOS 500D + Canon EOS 5D Mark III
Canon EF 24-105mm 4L IS USM + EF 100-400mm 4.5-5.6L IS USM + EF 100mm 2.8L Macro IS USM + Sigma 12-24mm 4.5-5.6 EX DG HSM + Canon Speedlite 580 EX II + Nissin Speedlite Di 466

If I were made of money and didn't have so many doggie mouths to feed, I would be holding a Nikon in my paws right this minute. Ken Rockwell gives comparison studies on all the Nikon lineup. Would so love a D3S, although that D800 with high resolution is something to consider. http://kenrockwell.com/nikon/d4.htm

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Sony Alpha 700, Minolta 70-210 f/4 and some other stuff

Ken who?

Blasphemy

Seriously though, if anyone's seriously in the market for a D800 or D4, why would they waste their time and bandwidth on that muppet?!?,?,?,?

Hahaha! Well it's a simplified 3 paragraph review. NOT the in depth review that our Gordon provides.
Thank you Thomas for those lens reviews. Wow. I have bookmarked that for further reference. Phil, I concede, when I get a free moment, I will indeed be researching on my first love, Camera Labs.

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Sony Alpha 700, Minolta 70-210 f/4 and some other stuff

I am definitely interested in purchasing the D4 in the near future though I have to wonder why Nikon chose the XQD/CF slot versus a dual CF slots.

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Nikon D7000, Nikon D7100
Nikkor 24-70mm/f2.8, Nikkor 35mm/f1.8, Nikkor 50mm/f1.8, Nikkor 70-200mm/f2.8 VR II, Sigma 8-16mm/f4.5-5.6, Tamron 80-210mm/f4.5-5.6, SB-900
On the list 14-24mm/f2.8, 24mm/f1.4, 28mm/f1.8, 85mm/f1.4, 105mm/f2.8, 400mm/f2.8, Nikon FX Camera Body
http://www.flickr.com/photos/dadude122