Thank you for the comment
Like i said: The The Canon 5D Mark II and the Nikon 3DS are so far the two options i've considered. Mainly because they have most of what i need now and in the years to come. I'm about to take a 3 year education in Media design where Photography will be my main focus.
I'm not the typical "point and shoot" photographer,and as far as skills go i'm not totally blank;-)
My most important needs in a camera housing would be:
- a environmentally sealed casing (for nature photography wich i do a lot of in all kinds of weather in any season)
Canon 5D MkII isn't environmentally sealed. Note that you need weatherproof lenses as well.
- a powerful prosessor (for quick response and speed)
This doesn't really mean anything. All DSLRs have quick response.
- a powerful image-processing engine (i will be doing a lot of timelapse photography,sports photography etc...)
Again, I am not sure what you mean by this. Timelapse photography doesn't require fast image processing. Do you need a high fps rate? If so, how high and what buffer capacity?
What do you mean by this? Do you mean high resolution, high dynamic range or low noise at high ISO?
Do you really need a full frame sensor?
- a decent AF system with at least 10 focal points (in some places and cases there's just no time or room for anything else)
Do you need a fast AF system or an AF system with lots of focal points? Canon and Nikon have somewhat different philosophies on this. Apart from any benefits that lots of focal points may bring to AF, is there any other reason that you think that you may need lots of focal points?
- a mount wich is compatible with AF and MF lenses.
What MF lenses do you want to use? Canon DSLRs aren't compatible with older Canon MF (FD mount) lenses although you can use other MF lenses, e.g. Samyang.
- last but not least live view and a decent remote fuction.
AFAIK all DSLRs now have Liveview and can be used with a remote.
The types of photography i will be doing are: Timelapse,Sports,Portraits,Land/Waterscapes,Animals and Astro.
The two cameras that you have mentioned are very different. The Canon 5D MkII is a high resolution full frame semi-professional camera aimed at landscape, studio and wedding photographers. It isn't weatherproof and doesn't have particularly fast focusing or high fps. Sports and wildlife photographers would select the 1D MkIV or perhaps 7D instead.
The Nikon 3Ds is a lower resolution full frame professional camera with exceptional high ISO performance. It is aimed at photo journalists and sports and wildlife photographers. It certainly wouldn't be the first choice of studio or landscape photgraphers - they would go for the 3DX or perhaps even the D7000.
What lenses are you thinking of buying? With expensive cameras you need good quality lenses, especially for sports and wildlife photography.
At the moment you appear to be heading for a total spend (icnluding tripod, head, flash, lighting, etc) of $5-10,000+. Is this within your budget?
I still think that your best plan is to get a general purpose entry or enthusiasts level DSLR now and add additional lenses and other equipment as you need them for your course. If you finally decide to become a professional landscape photographer you will need very different equipment to a professional sports photographer. What equipment does the course director recommend that you get?
Also technology is changing quite quickly at the moment (see the Sony A77) and I don't think that this is a particularly good time to be investing heavily in expensive equipment - the technology might be significantly different when you finish your course. Better to spend less now and sell and re-buy everything when you finish.
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Chris R