Mulling an upgrade from an EOS450D
Discussion
I pretty much always buy 2nd hank kit (I'm not a powerfully built and wealthy Director, not even sure why I'm here to be honest!)
Currently have an EOS450D, which was an upgrade from a 300D a couple of years ago, and I am now thinking of moving up.
One reason behind this is I have 100-400 IS L Series lens which I love, but with my body, I cannot get a 1.4 teleconvertor.
My lens is the Mk1 btw.
What model do I need to be looking at to work with a 1.4 teleconvertor on a Mk1 lens, and at what cost please?
Currently have an EOS450D, which was an upgrade from a 300D a couple of years ago, and I am now thinking of moving up.
One reason behind this is I have 100-400 IS L Series lens which I love, but with my body, I cannot get a 1.4 teleconvertor.
My lens is the Mk1 btw.
What model do I need to be looking at to work with a 1.4 teleconvertor on a Mk1 lens, and at what cost please?
From memory you probably need to look at a 7D (Mk1).
For much the same spend these days you can probably think of a 1d3. The extender would be fine on that but the point of it may be somewhat lost as the 1D3 has an APS-H sensor size so, approximately, when you gain with the extender you lose on the crop factor.
However the sensor does have rather nice pixels ...
Budget, weight, weather sealing, performance (speed) may all be factors for you.
Large battery in a 1D series and balances very well with the larger glass. A 7D with the additional battery pack would be similar although not the same overall. The complete experience, compared to a 450D, is a different world. ( I have a 400D and a 600D to compare the 1D3 to.)
For much the same spend these days you can probably think of a 1d3. The extender would be fine on that but the point of it may be somewhat lost as the 1D3 has an APS-H sensor size so, approximately, when you gain with the extender you lose on the crop factor.
However the sensor does have rather nice pixels ...
Budget, weight, weather sealing, performance (speed) may all be factors for you.
Large battery in a 1D series and balances very well with the larger glass. A 7D with the additional battery pack would be similar although not the same overall. The complete experience, compared to a 450D, is a different world. ( I have a 400D and a 600D to compare the 1D3 to.)
As above. IMO you should be weighing up the difference between crop and full frame as one of your concerns. I swapped from a 60D, to a 5D Mark 4 and haven't looked back since, but my motivation may well have been different to yours.
If you're buying second hand (don't blame you!) then my 2 cents would be to look at both crops, such as the 60D, or 7D (mk2 if the budget is there), and also some full frames, 5D mark 2, or a 6D (widely regarded as the best all-round way to get into canon full-frame on a budget).
If you're buying second hand (don't blame you!) then my 2 cents would be to look at both crops, such as the 60D, or 7D (mk2 if the budget is there), and also some full frames, 5D mark 2, or a 6D (widely regarded as the best all-round way to get into canon full-frame on a budget).
Going full frame is going to completely negate what the OP is trying to achieve though.
With a crop sensor he's already getting an effective focal length of 640mm. A 1.4x TC will give an effective focal length of 896mm while losing one stop of light.
By going full frame, the 1.4x TC will only give an effective focal length of 560mm so less than he started with. Even with a 2x TC thats 800mm and loses 2 stops of light.
You've also got to consider that the lens will focus slower than without the TC on and quality will be degraded; the 100-400 mk1 wasn't the sharpest lens to begin with.
Possibly another option worth considering (and best in terms of image quality) is instead replacing your 100-400 with a Sigma / Tamron 150-600. That will give you an effective focal length on a crop of 960mm with none of the drawbacks of using a TC
With a crop sensor he's already getting an effective focal length of 640mm. A 1.4x TC will give an effective focal length of 896mm while losing one stop of light.
By going full frame, the 1.4x TC will only give an effective focal length of 560mm so less than he started with. Even with a 2x TC thats 800mm and loses 2 stops of light.
You've also got to consider that the lens will focus slower than without the TC on and quality will be degraded; the 100-400 mk1 wasn't the sharpest lens to begin with.
Possibly another option worth considering (and best in terms of image quality) is instead replacing your 100-400 with a Sigma / Tamron 150-600. That will give you an effective focal length on a crop of 960mm with none of the drawbacks of using a TC
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