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Messages - bjd

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16
EOS Bodies - For Stills / Re: Strange effect using 5D3 and 16-35 f/2.8L II
« on: September 27, 2014, 09:55:06 AM »
    3 things to do during shooting:
    • Avoid shooting with a wide-open lens in high contrast scenes.
    • Avoid overexposing highlights (e.g. specular reflections and bright sky behind dark objects).
    • Shoot with a Haze-2A or other strong UV-cut filter.
    You might have done all 3 things wrong simulataneously in this image...  ;)
    • Avoid shooting with a wide-open lens in high contrast scenes.
    Especially set to 4.0 instead of 2.8. Trying to keep away from using the extremes of this lens.
    • Avoid overexposing highlights (e.g. specular reflections and bright sky behind dark objects).
    I have lately been trying to conciously ETTR more, as I am not happy with the sensor noise the 5D3 produces.
    The histogram says the bright areas were not overexposed, but I was way to the right. Obviously its not a scene with a lot of dark areas, so I guess it would not be so important here. I'll take this in mind next time there is a lot of contrast.
    • Shoot with a Haze-2A or other strong UV-cut filter.
    Did have one.
    [/list]

    >>You might have done all 3 things wrong simulataneously in this image...  ;)
    That happens with me :-[


    Thanks for the tips.

    Cheers Brian


    17
    EOS Bodies - For Stills / Re: Strange effect using 5D3 and 16-35 f/2.8L II
    « on: September 27, 2014, 09:06:31 AM »
    Ah, now I can see what you mean:
    I guess it's the well known "purple fringing", a special, axial type of chromatic aberration effect that causes colour fringes - mostly purple - when a huge brightness contrast occurs on a very small scale, such as dark leaves before a bright sky, or at stage photography, e.g., more visible with digital sensors than with film.

    http://en.wikipedia.org/wiki/Purple_fringing

    The effect is usually much more prominent in medium telephoto lenses, 85mm lenses seem to be plagued the most.
    I've seen it in Canon's own 85mm lenses, in Sigma's lenses as well as some very very good Leica glass.

    I guess there are only very hard ways to remove it IN POST, though. In photoshop you could try to resize the red colour channel of the image...  >:(
    It can be avoided - or mitigated - using a UV filter during shooting, however.
    Hi, so it is just the same fringing, but in blue. And I guess the contrast was pretty intense. First time I have
    seen it in Blue though, I have seen purple pretty often on this lens, oh and I did have a good UV filter on.

    Thanks for the explanation.

    Cheers Brian


    18
    EOS Bodies - For Stills / Re: Strange effect using 5D3 and 16-35 f/2.8L II
    « on: September 27, 2014, 08:41:10 AM »
    I don't see it at this resolution of 1920x1080 px.
    Can you post a 100% crop with these dimensions?
    Sure, BTW I see the blue fringing in LR and in the image shown on the website.
     

    19
    EOS Bodies - For Stills / Strange effect using 5D3 and 16-35 f/2.8L II
    « on: September 27, 2014, 06:39:46 AM »
    Hi,
    just wondering about how this happened?

    See the strange effect that the leaves have in the middle where the blue sky is the background, like chromatic aberation, but in light Blue  I wasn't shooting into the sun, but it was a very bright day, taken late afternoon.

    I couldn't get rid of it in LR due to parts of the sky having the same Blue colour.



    Cheers Brian

    20
    Landscape / Re: Post Your Best Landscapes
    « on: September 03, 2014, 03:45:57 PM »
    Lake District Cumbria UK. Going there again soon.

    Cheers Brian

    Lovely shot. Is that Eagle Crag on the right, just beyond Rothswaite in Borrowdale ? If so where did you shoot from - Kings Howe with a 300mm ?

    And are you still using your 5D ?

    Hi Sporgon,

    you are correct, it is Eagle Crag with Ullscarf on the left of the valley, but shot from not quite the top of Castle Crag with a 70-200.

    And yes, still using the 5D.

    Cheers Brian

    Well I'd have never thought you're be able to get that foot of Eagle Crag from Castle Crag !

    I still think the original 5D is a great landscape camera despite being 12.7 mp. Last year I shot a panoramic using both the 5D and a 650D that I had at the time. Although the 650D had more outright resolution the 5D files were far superior, with more definition.
    Sorry, I wasn't paying attention, its a 5D MK3.

    Cheers Brian


    21
    Landscape / Re: Post Your Best Landscapes
    « on: September 03, 2014, 03:35:05 PM »
    Lake District Cumbria UK. Going there again soon.

    Cheers Brian

    Lovely shot. Is that Eagle Crag on the right, just beyond Rothswaite in Borrowdale ? If so where did you shoot from - Kings Howe with a 300mm ?

    And are you still using your 5D ?

    Hi Sporgon,

    you are correct, it is Eagle Crag with Ullscarf on the left of the valley, but shot from not quite the top of Castle Crag with a 70-200.

    And yes, still using the 5D MK3.

    Cheers Brian


    22
    Landscape / Re: Post Your Best Landscapes
    « on: September 03, 2014, 03:12:16 PM »
    Lake District Cumbria UK. Going there again soon.

    (Still too dark here, hope this one is better!)

    Cheers Brian

    23
    EOS Bodies / Re: A Bit of EOS 7D Replacement Info [CR2]
    « on: August 12, 2014, 02:13:07 PM »
    I expect to try the TP Link TL-MR3040 soon to see how it compares. Only $40.
    This is what I use on my 60D.  Works great.  The DSLR Controller app is better than Canon's app and the range on the TP Link is excellent.  I get 30 or so feet -- maybe a bit more -- depending on the environment.  For the money, it can't be beat.

    I'm hoping the IQ will significantly increase over what APS-C has to offer now.  If not, I may save my money for a full-frame.
    Hi, could you tell me more about how this works please? USB connection from Camera
    to TPLink then via the LAN to a Tablet running DSLR Controller?

    I am using DSLR Controller from my Tablet direct USB to my 5D, and have played with DSLR Controller
    on my smartphone viw WIFI to the Tablet and then USB to the Camera.

    Cheers Brain

    See this link
    http://dslrcontroller.com/guide-wifi_mr3040.php
    Great, thanks very much everyone.
    Cheers Brian


    24
    EOS Bodies / Re: A Bit of EOS 7D Replacement Info [CR2]
    « on: August 11, 2014, 12:24:45 PM »
    I expect to try the TP Link TL-MR3040 soon to see how it compares. Only $40.
    This is what I use on my 60D.  Works great.  The DSLR Controller app is better than Canon's app and the range on the TP Link is excellent.  I get 30 or so feet -- maybe a bit more -- depending on the environment.  For the money, it can't be beat.

    I'm hoping the IQ will significantly increase over what APS-C has to offer now.  If not, I may save my money for a full-frame.
    Hi, could you tell me more about how this works please? USB connection from Camera
    to TPLink then via the LAN to a Tablet running DSLR Controller?

    I am using DSLR Controller from my Tablet direct USB to my 5D, and have played with DSLR Controller
    on my smartphone viw WIFI to the Tablet and then USB to the Camera.

    Cheers Brain
     




    25
    Landscape / Re: Beautiful sunsets
    « on: August 05, 2014, 02:43:02 PM »
    Hi guys,
     
    First post for me :)
     
    NYC sunset



    If I had taken this shot I would have rejected it straight away in pp once I saw that the sky was so blown out.

    Now don't get me wrong, I'm not saying I'm right and that yoh's wrong.

    So therefore I'd like to hear what others think?

    Maybe you just need to accept such things in extreme light situations, after all at this exposure there is detail in the buildings on the shadow side.

    Just wondering....

    Cheers Brian

     




    26
    Animal Kingdom / Re: DragonFly Series
    « on: July 13, 2014, 10:44:05 AM »
    Not a perfect photo, but I hope its interesting.
    Found this guy flapping around near my pond, he couldn't fly properly, he'd keep tipping upside down
    and flap around on the ground. So I took him indoors to save him from the birds. Although I tried to feed him he died the next day.  Just wonder if he was "born" that way or if a bird got him?

    CHeers BRian

    His eyes look deflated :o
    What and how did you try to feed him?
    Yes they do, normally I would have guessed that the eyes were full of something, but having seen this I assume
    that they are just a mass of optic cells on some kind of carrier structure, and that got pushed in somehow.
    We tried to give him small mealyworms. Put them down in front of him, but I guess he couldn't see them.

    Cheers Brian







    27
    Macro / Re: first attempt at stacking macro shots :: )
    « on: July 11, 2014, 12:46:11 PM »

    I sort of noticed the funny side of Menace's comment, you know the bit where someone freezes the subject to the point they are slow to move, then shoots them ?? shoots them ?? see the funny side at all ?? No ? must be an Aussie Kiwi thing.

    Being a Brit I noticed it straight away too.

    Many types of live insect bait are kept in the fridge, when you take them out and they warm up they seem OK.
    Not saying that they enjoy it though. I guess they'll see it as a snap frost or something

    Cheers Brian

    28
    Photography Technique / Re: Shoot from the rearend of the subjects.
    « on: July 09, 2014, 04:01:44 PM »
    Missed the face somehow..........

    29
    Animal Kingdom / Re: Show your Bird Portraits
    « on: July 09, 2014, 03:57:10 PM »
    Hi Jock.
    Very nice shot, but shouldn't it be in the shot from behind gallery?  ;D
    It does appear to be posed for you.
    Nicely caught.

    Cheers Graham.

    Anyone know what happened to that gallery, I cant seem to find it?
    I have a shot that would fit there perfectly.
    Cheers Brian

    http://www.canonrumors.com/forum/index.php?topic=19458.msg412644#msg412644

    Are you thinking of this thread?

    Edit: recently added my contribution to the above

    @Menace, exactly. I was searching with "Behind" instead of "Rear". Thanks very much.
    Cheers Brian

    30
    Animal Kingdom / Re: DragonFly Series
    « on: July 08, 2014, 12:35:16 PM »
    Not a perfect photo, but I hope its interesting.
    Found this guy flapping around near my pond, he couldn't fly properly, he'd keep tipping upside down
    and flap around on the ground. So I took him indoors to save him from the birds. Although I tried to feed him he died the next day.  Just wonder if he was "born" that way or if a bird got him?

    CHeers BRian

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