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- Gareth
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Hi All - Having toyed with the idea of upgrading my Canon 300/4, I have started taking a serious look at what's on offer. I want to use the lens for both low-level aircraft stuff and wildlife. This is the list of what I have so far seen. If anyone has any input or had experience with any of these lenses, I would be most grateful for any feedback etc. I'm looking at second hand only as can't afford new. I have seen a few on Ebay in the States and Japan/Singapore. Has anyone had any experience of buying from outside the UK? Are there import duties to consider?
Sigma 300mm f2.8 non-IS.
Seems like a pretty good lens for the price, but not sure how good the IQ is. It's the lower end of the price scale but is it worth a punt?
Canon 300mm f2.8 IS or non-IS.
This seem to be the lens of choice for many of the low-level photographers as it apparently works well with both the 1.4x & 2x TC's. The non-IS is cheaper and I'm not sure I'll need the IS or not. I have had success with my previous non-IS 400/5.6. :shrug:
Canon 400mm f4 non-IS
These don't seem to fetch much more than the Canon 300/2.8, although is it swings & roundabouts with what you gain in length, you lose in an f-stop?
Canon 500mm f4 non-IS
Again, similar to the above. There are quite a few of these about (including the older f4.5) and prices don't seem too bad.
Canon 600mm f4 non-IS
This looks like a good piece of kit but not sure about the weight and hand-holding up on the hills in Wales.
Sigma 300mm f2.8 non-IS.
Seems like a pretty good lens for the price, but not sure how good the IQ is. It's the lower end of the price scale but is it worth a punt?

Canon 300mm f2.8 IS or non-IS.
This seem to be the lens of choice for many of the low-level photographers as it apparently works well with both the 1.4x & 2x TC's. The non-IS is cheaper and I'm not sure I'll need the IS or not. I have had success with my previous non-IS 400/5.6. :shrug:
Canon 400mm f4 non-IS
These don't seem to fetch much more than the Canon 300/2.8, although is it swings & roundabouts with what you gain in length, you lose in an f-stop?
Canon 500mm f4 non-IS
Again, similar to the above. There are quite a few of these about (including the older f4.5) and prices don't seem too bad.
Canon 600mm f4 non-IS
This looks like a good piece of kit but not sure about the weight and hand-holding up on the hills in Wales.
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