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  1. #31
    Staff
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    hark's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    Quote Originally Posted by blackstar View Post
    Ah-ha! got it. (thought you must use some kind of AF)
    blackstar, BBF separates the AF from the shutter actuation so they are controlled independently. Plus it allows you to use your choice of AF-C or AF-S at any time without making any setting changes.

    The way Peter7100 is choosing to use AF-C is with the shutter button. His way doesn't allow the ability to focus and recompose or the ability to use AF-S without making setting changes.

    I'll be honest and say it took me a while to embrace BBF. All my bodies with the exception of the D500 allow me to seamlessly switch between BBF and using the shutter button because my U2 buttons are programmed for BBF, Manual Mode, AF-C, and Auto ISO. The D500 doesn't have a U2 button and requires making a change with the settings to switch by changing from one Menu Bank to another. I haven't tried it out myself since my D500 is simply dedicated to BBF.


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    Cindy - D750, D500, D7200
    Flickr
    and My 2020 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci





  2. #32
    Senior Member
    Woodyg3's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    Peter, I don't like BBF either. I want my thumb free for moving focus points, and I'm ALWAYS in AF-C, so it's actually preferable to me to focus with a half press of the shutter release. Just my 2 cents.

    Congrats on the new lens and the great deal you got on it. Have fun, and I hope you can find a good deal on the TC, too. You might have inspired me to put my good old 300/TC combo on my D500 for my next outing.
    Thanks/Like Peter7100 Thanks/liked this post
     
    Woody Green

    Clear Eyes, Full Hearts, Can't Lose

    D500, D7200, D7100, D70

  3. #33
    Senior Member
    blackstar's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    Cindy, Thanks for bringing up useful tips on BBF and U2. Unfortunately, though already using BBF for quite some time with my D3500, I can't enjoy U2 (no button) and re-compose (especially when taking sky shots). All I can hope: get an upgrade soon (body and lens)

  4. #34
    Staff
    Super Mod
    hark's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    Quote Originally Posted by blackstar View Post
    Cindy, Thanks for bringing up useful tips on BBF and U2. Unfortunately, though already using BBF for quite some time with my D3500, I can't enjoy U2 (no button) and re-compose (especially when taking sky shots). All I can hope: get an upgrade soon (body and lens)
    I'm not sure I understand if you're saying you can't recompose - if you are using BBF already with AF-C, then you should be able to recompose. Just press the BBF to focus, remove your thumb from the back button, recompose, then press the shutter to take the image without touching the back button again. Doing it that way simulates AF-S instead of AF-C and is how to seamlessly switch from one to the other while in BBF.
    Cindy - D750, D500, D7200
    Flickr
    and My 2020 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci



  5. #35
    Senior Member
    blackstar's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    Cindy, The re-compose issue had been discussed somewhere before. It's a matter of D3500 can't operate the full function of BBF, e.g., it won't auto-focus when turning to an empty sky and shutter won't fire; turning to the foreground it will auto-focus, but then release BB and re-compose pointing to the upper sky, no fire. Don't know about D7xxx or other bodies.

  6. #36
    Staff
    Super Mod
    hark's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    Quote Originally Posted by blackstar View Post
    Cindy, The re-compose issue had been discussed somewhere before. It's a matter of D3500 can't operate the full function of BBF, e.g., it won't auto-focus when turning to an empty sky and shutter won't fire; turning to the foreground it will auto-focus, but then release BB and re-compose pointing to the upper sky, no fire. Don't know about D7xxx or other bodies.
    Honestly none of the bodies should AF if trying to capture an empty sky. Not sure why the body won't fire. When in AF-C and BBF, bodies usually fire even when an image is completely out of focus. That's strange. And it's a shame for you.
    Cindy - D750, D500, D7200
    Flickr
    and My 2020 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci



  7. #37
    Senior Member
    blackstar's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    Quote Originally Posted by hark View Post
    ... When in AF-C and BBF, bodies usually fire even when an image is completely out of focus...
    That was mentioned (by someone before) as certain bodies capable of running full function BBF. Guess d3500 is not one of them.

  8. #38
    Senior Member
    Peter7100's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    300mm f4 IF-ED with 1.4 tc
    Had another attempt this morning with the new 300mm and took Cindy's (Hark) advice and tried stopping down to F9. The light was really poor, so I was at ISO 4000 and used a tripod this time as shutter speed had to be 1/250. Oh for some lovely Florida sunshine and light, however I will keep trying

    Last edited by Peter7100; 01-17-2021 at 08:25 PM.
    Thanks/Like hark, blackstar Thanks/liked this post
     

  9. #39
    Staff
    Super Mod
    hark's Avatar

    Re: 300mm f4 IF-ED with 1.4 tc

    300mm f4 IF-ED with 1.4 tc
    Quote Originally Posted by Peter7100 View Post
    Had another attempt this morning with the new 300mm and took Cindy's (Hark) advice and tried stopping down to F9. The light was really poor, so I was at ISO 4000 and used a tripod this time as shutter speed had to be 1/250. Oh for some lovely Florida sunshine and light, however I will keep trying

    This looks nice! You have more of your subject in focus while branches in the background are blurred. As for the ISO, there are many times I'm at ISO 4000 in the middle of the afternoon. It all depends on the amount of light falling on your subject. Nicely done though!
    Thanks/Like Peter7100 Thanks/liked this post
     
    Cindy - D750, D500, D7200
    Flickr
    and My 2020 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci







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