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Messages - AlanF

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5DIII + 300mm f/2.8+2xTC. 100% crops.

Heron flying, and heron flying with bokeh.

Animal Kingdom / Re: Show your Bird Portraits
« on: May 11, 2014, 04:56:46 PM »
Mother and child.

Great shots everyone.  Some spectacular photos are coming in. 

I'm been thinking about x2 TC III for my 400mm f2.8 IS II. It would be nice to have 800mm range for wildlife. I'm little concern about IQ loss ???
DonĀ“t be. It is still great. Take it to a store and try it out. You will be very pleased. The attached image is a 100% crop
5DIII, 1/1000s, f5.6, ISO400, handheld.

One of the best bird photographers I know uses the 400/2.8 II + 2xTC to get spectacular photos.

5DIII 300mm f/2.8 II + 2XTC III at f/5.6
All 100% crops and at the very limit of what is possible for me. The images are miniscule.  The images aren't great, but they captured my birding yesterday. I was asked why I carried such a large lens, but a smaller one or bridge camera couldn't have done these. The lens was worth every penny for me.

Animal Kingdom / Re: Show your Bird Portraits
« on: May 06, 2014, 08:36:18 AM »
Black-tailed Godwit. 5DIII 300mm f/2.8 II + 2XTC III at f/5.6. This is at the limits of resolution for a decently sharp image for me. It is 100% crop, and the image spans only 800x300 pixels.

Animal Kingdom / Re: Show your Bird Portraits
« on: May 04, 2014, 06:33:06 PM »
Very nice shots Alan. Well done.

Animal Kingdom / Re: Show your Bird Portraits
« on: May 04, 2014, 05:13:36 PM »
Greenfinch, 5DIII 300mm f/2.8 + 2xTC @600mm f/5.6.

Animal Kingdom / Re: Show your Bird Portraits
« on: May 04, 2014, 03:30:19 PM »
Chaffinch's afternoon snack. 5DIII, 300mm f/2.8 II + 2xTC III, f/5.6 iso 640 1/1600. 100% crop.

Got mine 5 February.

Lenses / Re: Tamron 150-600mm AF servo issues?
« on: May 02, 2014, 03:46:02 AM »
Could you find out for sure if there is a firmware upgrade as it would be useful to know.

Kingfisher diving and re-entry.

Sony is making a bigger loss than expected, announced today, and it is rated at junk bond status.

Third Party Manufacturers / Re: New Samyang Lenses Go On Sale Tomorrow
« on: April 28, 2014, 01:22:11 PM »
If I wanted a cheap and light 300mm I'd get a Canon Powershot that has wider aperture, AF, IS etc for the same price as the Samyang mirror. Or, if I wanted something to go on a mirrorless I'd get the 55-250 which again has a wider aperture, AF, IS etc and I bet outperforms the mirror. 

Lenses / Re: EF 400L f/5.6 vs. Tamron 150-600
« on: April 28, 2014, 07:40:48 AM »
I'm still in two minds on buying this lens, my Sigma provides good reach and mated to the 70D the IQ has improved 10 fold (compared to the 550D), but I'm blinded by the whole "big white ownership" scenario, will a 100-400L (plus a 1.4X TC) be considerably, and noticably better than my 150-500 or would this Tammy provide better IQ at 600mm without a TC???  For me the prime 400mm is not really an option due to it's limitations of range.
Ohh the drama of all the decisions!!! :o

 Both the Tammy and the 100-400 perform much better on full frame than crop.  You need sharper lenses on crop.  DxO has some very nice comparisons of the Tammy, Sigma and 100-400 showing that the Tammy is the clear winner on FF, but it is less clear on crop. The 100-400 isn't good with extenders. 

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