Show your Bird Portraits

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A variety of birds captured today on a snowy walkabout...

Red-tailed Hawk
RFIV5020-Enhanced-NR.jpg

Goose on a log! I've never seen a goose hanging out on a log, so I had to take a pic!RFIV5036-Enhanced-NR.jpg

America Coot
RFIV5063-Enhanced-NR.jpg

White-crowned Sparrow. Yes, another one! LOL They're so cute, I can't help it.
RFIV5099-Enhanced-NR.jpg

Goose couple. Although these geese are so common, I just liked the scene here.
RFIV5105-Enhanced-NR.jpg
 
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Non-Canon photo dump

Glossy ibis

DSC00540 by Cog2012, on Flickr

Little owl

DSC01363 by Cog2012, on Flickr

Isabelline shrike

DSC03068 by Cog2012, on Flickr

Grey-headed swamphen

DSC03561 by Cog2012, on Flickr


DSC03539 by Cog2012, on Flickr

Red-wattled lapwing

DSC04060 by Cog2012, on Flickr


DSC03949 by Cog2012, on Flickr

White wagtail

DSC_0713 by Cog2012, on Flickr

Common snipe

DSC_1637 by Cog2012, on Flickr

White-eared bulbul

DSC_1921 by Cog2012, on Flickr

Spanish sparrow

DSC_1949 by Cog2012, on Flickr
Lovely shots! What body and lens(es) did you use?
 
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Hey, thanks, Eric! That might have been the last snow storm of the season (the Tahoe area got slammed!).
I was using the 100-500 + 1.4 TC on the R5 for these shots.
I read visitors to Yosemite National Park were asked to leave because of the prediction two meters of snow would fall. I have to admit I have never seen that much snow and if I knew I was prepared, I would want to stay, but I have no idea how you prepare for it:ROFLMAO:

I remember @AlanF doesn't prefer the 1.4, but yours photos look good.
 
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I read visitors to Yosemite National Park were asked to leave because of the prediction two meters of snow would fall. I have to admit I have never seen that much snow and if I knew I was prepared, I would want to stay, but I have no idea how you prepare for it:ROFLMAO:

I remember @AlanF doesn't prefer the 1.4, but yours photos look good.
It’s a question of what in practice the 1.4x adds. It’s not 40% in terms of resolution, it’s no more than 10-20% on the 100-500mm. Extenders work best on wide f-number lens and their performance decreases on narrower lenses because of diffraction. The 1.4x on the 100-500 adds even less than dictated by diffraction.
 
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It’s a question of what in practice the 1.4x adds. It’s not 40% in terms of resolution, it’s no more than 10-20% on the 100-500mm. Extenders work best on wide f-number lens and their performance decreases on narrower lenses because of diffraction. The 1.4x on the 100-500 adds even less than dictated by diffraction.
Thanks as always for explaining. If I understand, in theory, an ef 500mm f/4 with the same rf 1.4 should yield better results (aside from the heavier burdens of finances and weight and... the dreaded adapter!)
 
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Thanks as always for explaining. If I understand, in theory, an ef 500mm f/4 with the same rf 1.4 should yield better results (aside from the heavier burdens of finances and weight and... the dreaded adapter!)
That's correct. The EF 500 f/4 II works very well indeed with the EF 1.4xTCIII. I tried 3 different copies of the RF 1.4x with my lens and all three were equally disappointing. On the other hand, the 2x performed closer to the expected despite being at f/14. I think what with the RF 100-500mm zooming out to only the 300mm setting with the RF TCs, the designers of that lens and those of the RF TCs didn't coordinate.
 
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