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Thread: 800/1.4X III TC/5D III Again

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    Publisher Arthur Morris's Avatar
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    Default 800/1.4X III TC/5D III Again

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    This Cattle Egret eating a Mayfly was photographed with the Canon 800mm f/5.6L IS, the 1.4X III TC, and the EOS-5D III. ISO 400. Evaluative metering at zero: 1/1600 sec. at f/5.6.

    Central Sensor/Rear Focus AI Servo AF. Taped the pins.

    The big news here is that once I worked through the chatter and acquired focus AF held nicely though the bird was walking through the grass. The next step is to try it with an outer sensor....

    Don't be shy; all honest comments welcome. Questions welcome too.
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    BPN Member dankearl's Avatar
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    Lovely image with a very nice BG.
    I don't understand how it works with the pins and the TC and the 5.6.
    I just like the results.
    Dan Kearl

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    Great light, pose and nice background. The food item in the beak is a nice addition.
    I used to do this taping over the pin on a third party (Tamron, the white and better one)
    1.4x TC using a 400 f5.6 L lens.
    Back then it was my "long lens"
    In retrospective I have mixed feelings about it; I gained reach and got soft pictures.
    Obviously your pictures are crisp and sharp so it works for you.

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    I also don't understand the taping the pins part. I'm also puzzled by shooting an f/5.6 lens at f/5.6 with a 1.4x TC -- you lose a stop, so you're really at f/8, right? Even if you're fooling the camera into thinking the TC isn't there, your effective aperture is f/8, right?

    As for the image, it's immaculate (as usual). I love the breeding colors, combined with the pose and low angle. Very nice indeed!

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    very nice shot Artie, the food makes it much more interesting
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    Gorgeous Artie, it's perfect wouldn't change a thing.

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    Exellent image quality, great details and sharpness.

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    Nice work Artie. Good pose, eye contact and prey item. I did this species in Portugal. The birds were following a tractor...could hardly see the birds for dust chucked up.

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    Quote Originally Posted by Karl Egressy View Post
    Great light, pose and nice background. The food item in the beak is a nice addition. I used to do this taping over the pin on a third party (Tamron, the white and better one)
    1.4x TC using a 400 f5.6 L lens. Back then it was my "long lens" In retrospective I have mixed feelings about it; I gained reach and got soft pictures. Obviously your pictures are crisp and sharp so it works for you.
    A is chattery but if you give it time to catch then the results are sharp.... I have never tried the tape the pins trick before. Be aware that the mfr recommends against it :).
    BIRDS AS ART Blog: great info and lessons, lots of images with our legendary BAA educational Captions; we will not sell you junk. 30+ years of long lens experience/e-mail with gear questions.

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    Quote Originally Posted by Ron Sprunger View Post
    I also don't understand the taping the pins part. I'm also puzzled by shooting an f/5.6 lens at f/5.6 with a 1.4x TC -- you lose a stop, so you're really at f/8, right? Even if you're fooling the camera into thinking the TC isn't there, your effective aperture is f/8, right? As for the image, it's immaculate (as usual). I love the breeding colors, combined with the pose and low angle. Very nice indeed!
    Ron, A web search will get you to the tape the pins trick. I believe that you are at effective f/8 but the camera does not know that the TC is there. The best part is that the through the lens metering works perfectly: you "lose" the one stop of light that you normally would with a 1.4X.

    Additional fine points will be covered in detail in the EOS-5D III User’s Guide. I will try to offer the Guide at a pre-publication discount price so that I am able to share important info with folks like yourself before the entire guide is complete. When that is done these folks will of course receive the complete guide as a PDF. Best to keep your eyes on the blog and the Bulletins if interested.

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    Publisher Arthur Morris's Avatar
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    BTW, this bird is well past high breeding plumage....
    BIRDS AS ART Blog: great info and lessons, lots of images with our legendary BAA educational Captions; we will not sell you junk. 30+ years of long lens experience/e-mail with gear questions.

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    Artie, in the techs, you should just say f/8 IMO. that is the real aperture anyways.

    excellent image. prey and HA both is great. so is the low angle and subject placement. I'd prefer the image a tad warmer...but thats just my preference really.

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    Quote Originally Posted by Kaustubh Deshpande View Post
    Artie, in the techs, you should just say f/8 IMO. that is the real aperture anyways. excellent image. prey and HA both is great. so is the low angle and subject placement. I'd prefer the image a tad warmer...but thats just my preference really.
    In the future I may go with "f/5.6 (actually f/8)" but only if you can tell me what to write when I have set f/6.3 in Manual mode.... Is that f/8 or f/9???

    As for the warmer, I worked hard to get the BLUE out of the WHITEs .
    BIRDS AS ART Blog: great info and lessons, lots of images with our legendary BAA educational Captions; we will not sell you junk. 30+ years of long lens experience/e-mail with gear questions.

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    Artie, any aperture reported by the system that is larger than f/8( f/6.3 would fall in here, obviously) is really f/8...as that is the maximum aperture of the rig.

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    Thanks KD. Pretty tricky stuff.
    BIRDS AS ART Blog: great info and lessons, lots of images with our legendary BAA educational Captions; we will not sell you junk. 30+ years of long lens experience/e-mail with gear questions.

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