Hi Richard and Peter
I'm sure there are others more qualified to answer these questions but I will
advance my 2¢ in the mean time.
A very good online resource with comprehensive reviews of both models is
http://www.dpreview.com/
http://www.dpreview.com/reviews/canoneos7d/
http://www.dpreview.com/reviews/canoneos1dmarkIV/
There is a page comparing the output of both models here:
http://www.dpreview.com/reviews/canoneos1dmarkIV/page28.asp
This site details almost everything about the cameras. In a nutshell they are
quite closely matched in terms of performance and both would be an excellent
choice for bird photography. The 1D Mk 4 is very much a flagship camera with
better water sealing, durability etc. but is heavier and the configuration
options (customisability) may be daunting to less experienced users - DP Review
makes this point very well.
In my opinion the 7D offers the best value for money, unless you are planning
on working professionally. It also means you have more money left over to
spend on the one thing that makes the biggest difference to the quality of the
photo - the lens you're using.
The 300 mm and 500 mm are both excellent choices if you can afford them, and
with the field of view crop you get with a 7D (1.6x) you are essentially using
a 510 mm prime lens when you put a 300mm on the front (1D Mk 4 has a slightly
smaller crop factor at 1.3x, i.e. 390mm). You then have the flexibility of
adding the 1.4x or 2x teleconverters if you need even more magnfication.
Cheers,
Stewart Ford
On 24/11/2010, at 12:36 PM, Peter Shute wrote:
> I'd also be interested to hear what sort of difference there is between the
> 450D and either of those more expensive cameras.
>
> Peter Shute
>
>> -----Original Message-----
>> From:
>> On Behalf Of Richard Jenkin
>> Sent: Wednesday, 24 November 2010 3:08 PM
>> To:
>> Subject: [Birding-Aus] Canon Cameras
>>
>> Hi all
>>
>>
>>
>> I am wanting to upgrade my camera body from a Canon 450D to
>> either a Canon 7D or Canon 1D mk4 and looking for some advice
>> from those who know or may have used one or the other or
>> both. I currently use a 100-400mm zoom lens.
>>
>>
>>
>> The cost difference is about $4,000 so basically need to know
>> is it worth the extra money to the extent that you get much
>> much better photos or would the jump from the 450D to 7D be enough.
>>
>>
>>
>> Also how does the difference in photos between the 100-400mm
>> lens compare to the 300mm F2.8 with 2 x converter or the
>> 500mm F4 lens ?
>>
>>
>>
>> As so many birders seem to use Canon's ( cameras that is ! )
>> replying to the list may be useful for the archives.
>>
>>
>>
>> Thanks in advance
>>
>>
>>
>>
>>
>> Dick Jenkin
>>
>>
>>
>> Lynn and Dick Jenkin
>>
>> Tashkent Friesians
>>
>> PO Box 92 Dungog NSW 2420
>>
>> 02 49921158
>>
>>
>> <http://www.facebook.com/pages/Django-of-Cacharel/147336717447?ref=ts>
>> Djangos Facebook Page
>>
>> <http://tashkentfriesians.com/> Tashkent Friesians
>>
>> logosmall
>>
>>
>>
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