November 22, 2014, 08:15:26 PM

Author Topic: Different tools for different trades  (Read 5848 times)

neuroanatomist

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Re: Different tools for different trades
« Reply #30 on: June 11, 2012, 06:29:23 PM »
By the way, I think Canon will update its firmware to fix the F/8 AF issue.  It should be easy to fix.

Doubtful.  The 1-series bodies with an f/8 center point have a different hardware design on the AF sensor for that point, something not built into the 1D X AF sensor.  So, a firmware 'fix' would be analogous to taping the contacts on a 1.4x TC with an f/5.6 lens on a 7D or 5DIII - i.e. it would work ok in some conditions, poorly in others, and likely not meet the reliability standards of a 1-series body. I'm not counting on a firmware fix for this issue...
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Re: Different tools for different trades
« Reply #30 on: June 11, 2012, 06:29:23 PM »

jrista

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Re: Different tools for different trades
« Reply #31 on: June 11, 2012, 07:28:35 PM »
Couldn't agree with all that more! The value of a cropped sensor can't be forgotten when it comes to shooting distant action or small subjects in motion...and in that respect, the 7D is king!

There is a HUGE cost to getting the same kind of reach with FF, TC's and Supertelephoto lenses, to the tune of tens of thousands of dollars. If you try to get the same reach with a 1D X, 1.4x TC and a 500mm L II supertele as you get with the 7D and the 100-400mm lens, you would be $18,000 in the hole...and that only gets you 60mm more and some extra sharpness (which, granted, is nice...but oh so unbelievably costly!) The 7D+100-400 is about $2700-$3000 at current prices.

or better still a 1D4 @f/8 significantly outreaches the 7D

Try a 1D4 with 600 + 2x for starters .....


Sure, but I think you missed my point...your spending over $18,000 for that 1D IV, 600 f/4, and a 2x TC. If you need 1560mm, then your probably in a position where such cost is easily budgeted...but on the flip side, you could get 1920mm out of the same lens and TC if you used a 7D instead of a 1D IV. All things being equal, for birds/bif, I'd still take the 7D (or, preferably, a 7D II with much-improved APS-C sensor with slightly more MP, higher max ISO, and less noise overall.)

briansquibb

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Re: Different tools for different trades
« Reply #32 on: June 12, 2012, 03:26:24 AM »
or better still a 1D4 @f/8 significantly outreaches the 7D

Try a 1D4 with 600 + 2x for starters .....


Sure, but I think you missed my point...your spending over $18,000 for that 1D IV, 600 f/4, and a 2x TC. If you need 1560mm, then your probably in a position where such cost is easily budgeted...but on the flip side, you could get 1920mm out of the same lens and TC if you used a 7D instead of a 1D IV.

I guess the 7D has AF at f/8 then?

Well mine doesn't - so the 7D would be limited to 1344 (1.4x)

As for the money - that is what is costs for that new rig but there is no correlation between need and budget. I did it on the cheap buying a used 1D4, and used 2x II and a used 600 f/4 mk1. Total cost was way lower that the one you quoted

I understood your point was that the 7D was king - and the cheap option was the 7D with a f/5.6 @about 400mm? It may be good value for money but with less than half the reach it isn't exactly going to do the same job. Rather like saying that a 7D with a 50 f/1.8 is a good alternative to a 5DIII with a 200 f/2

aznable

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Re: Different tools for different trades
« Reply #33 on: June 12, 2012, 03:58:46 AM »
I don't know if it's as much an issue as a reason to make you buy a 1D body :)
The ISSUE is I have no budget for it.

that's the basic issue for a lot of people ;)
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briansquibb

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Re: Different tools for different trades
« Reply #34 on: June 12, 2012, 04:07:20 AM »
I don't know if it's as much an issue as a reason to make you buy a 1D body :)
The ISSUE is I have no budget for it.

that's the basic issue for a lot of people ;)

I lust after a lot of things well beyond my budget  :(

akiskev

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Re: Different tools for different trades
« Reply #35 on: June 12, 2012, 05:21:30 AM »
I probably use my 5DII closer to 90% of the time.  But, that ~10% is shooting birds/wildlife, and for that the 5DII is just not up to snuff.  I'll be keeping my 7D even after swapping the 5DII for a 1D X (in fact, keeping it until there's a 7DII).
Do you really need 7D if you have 1DX?  1DX has better FPS and AF system.  You can simply use 1.4x or 2x TC for 1DX, right?

I use my 7D mainly (almost exclusively, now) with the 100-400mm.  Since, unilke previous 1-series bodies, the 1D X cannot AF at f/8, a 1.4x TC with the 100-400mm is out.  The 500mm f/4L IS II is next on the list after the 1D X...but at that point with a 1.4x, that's getting me 700mm vs. 640mm equivalent with the 7D @ 400mm - and I'm already cropping the 7D image.  When you're shooting small birds, there's no such thing as too long a lens.  If there were a m4/3 camera with good enough IQ and response rate, and a compatible 400mm lens, I'd consider it.
I tried this combo a lot of times on a 5d2 and AF was ridiculously slow. So I always end up using MF. With 7d is AF speed usable?
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aznable

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Re: Different tools for different trades
« Reply #36 on: June 12, 2012, 05:49:48 AM »
I don't know if it's as much an issue as a reason to make you buy a 1D body :)
The ISSUE is I have no budget for it.

that's the basic issue for a lot of people ;)

I lust after a lot of things well beyond my budget  :(

having an unlimited budget would be really boring, and probably would not exists all those models of camera/lenses ;)
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Re: Different tools for different trades
« Reply #36 on: June 12, 2012, 05:49:48 AM »