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I have 1DMK4 (1.3x)
sigma 12-24 II for landscape (that makes 15.6- 31.2mm) (not a bad lens but could be sharper)
300mm 2.8 IS v1 + 1.4 & 2x converters (that makes 546mm & 780mm) for birding (which is a bit too short but extremely sharp and fast with 1.4x)
and for anything in between, I use 70-300L which I can live without.
#1 prioriy is landscape, #2 is birding, #3 priority is strobe photography.
Just curious what the equivalent Nikon set up would be. I like to have just one body, the excellent 14-24, & a telephoto prime with converters and STILL HAVE...Show more →
Couple of thoughts...
Firstly, there's no equivalent to the 1D4 on the Nikon side. If you need speed the current choice is the D4...superior ISO performance and AF, but lower resolution as compared to the 1D4. The D3/s doesn't have enough resolution for birds...(its equivalent to 7MP as compared to the 1D4).
Of course, shooting landscapes and birds are two completely different pursuits normally requiring two different systems to "do right" (i.e. high resolution for landscapes/resolution + speed for birds). Certainly the D800/E is an easy choice for landscapes (though there's nothing wrong with the less expensive D600 either). Unfortunately there's nothing ideal for birders right now -- we're all waiting for the D300s replacement or possibly a high speed, high resolution D4 (D4x?).
But fortunately the D800/E does provide a decent compromise. Gobs of resolution for both pursuits, but the lack of speed will hinder BIF shooting. There are plenty of wide angle lens options for landscapes, but going FX will necessitate spending a lot of money on telephoto glass -- 500VR is my personal recommendation.
As a birder, I've gone from the D3/D300 to 1D4 and now to the D800, which is working reasonably well for me while I wait for the D300s replacement or high resolution/speed D4.
In your shoes, the D800/E is likely the best choice, with the understanding that BIF will be compromised. IMO the "potential" IQ from the D800 (i.e. when the camera is properly used) is better than anything Canon currently has...emphasis on "currently".