Dick,
I cant quantify the difference in image quality between 7D & 1Dmk4
because I have not used the latter.
However with most of these things there is a log scale effect where
the extra $ buys you less & less. You just need to locate yourself on
that curve.
But even then the technology advances & yesterdays $5000 camera
output is surpassed by a $2000 camera in a few years time.
I can say though that you will notice a serious advance from the 450D
to the 7D. The megapixel count difference from 12.2 to 18.0 will be a
real visible difference. (This will be true for the 450D to 7D as the
sensor size is the same - but will not be a valid comparison for the
1DMk4 as the sensor is larger.)
As for the 100-400 L IS vs 500 F4L IS, the same applies ( I use
both). The additional $s buys a little more range, a little more
image quality, & a lot more weight.
I love the 500 but still use the 100-400 for night shooting & often
for travel, situations where it can be too difficult to look after
the heavy bulky 500.
There is not the same Moores law working with lenses & ones
investment lasts longer.
The weight of the 500 will need support & you will likely want to
upgrade monopod, tripod, gimbal head, etc.
And the weight will reduce the ground covered in a session as it
slows you down. It will make your 100-400 feel like a featherweight.
Beautiful images.....but did I mention the weight?
Chris
Chris Charles
0412 911 184
33deg 47'30"S
151deg10'09"E
On 24/11/2010, at 3:07 PM, Richard Jenkin wrote:
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
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