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Thread: ***DSLR/Photography MegaThread***

  1. #501
    FBJ
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    SO MUCH FUN!!

    Orange Rind:


    Rusty Nail:


    Dying Bougainvillea Leaf:


    Bougainvillea Flower (the yellow part is only about 1/8 inch in diameter):


    Daisy:


    Razor-Grass Seed Stalk:


    Little Purple Flowers (each is about 1/4" in diameter):


    These were hand-held. Had I not been lazy, I'd have put my tripod up. The difference between in-focus and out-of-focus on these images is litterally a couple millimeters, and I found that as I'd breathe, the camera would change its distance from the subject just enough to put it out of focus either on the far side or near side.

    What I really need is a focusing rail! That's next. They aren't cheap!

    Also, I need to play around in better lighting. I could up the shutter speed while keeping things stopped to around f/8 if I had better lighting. Wonder how an off-camera flash might be able to be used?
    Anything worth shooting is worth shooting twice. Bullets are cheap. Life is priceless.


  2. #502
    1st Scoring Line BleedingPurple's Avatar




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    Quote Originally Posted by FlyBoeingJets View Post
    These were hand-held. Had I not been lazy, I'd have put my tripod up. The difference between in-focus and out-of-focus on these images is litterally a couple millimeters, and I found that as I'd breathe, the camera would change its distance from the subject just enough to put it out of focus either on the far side or near side.
    That's crazy! Very cool stuff. Any way you could take a photo of this rig all put together?

    I was wondering about the focus of some of the photos. It seems the very center (obviously) is always in focus but outer edges that appear to be in the same vacinity are out of focus.

    For example, the top head of the nail;, the center 50% horizontally is in focus but the upper and lower 25% horizontally is out of focus even though they are very close in proximity.


  3. #503
    I get around




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    Those are very nice Glenn. I'm gonna have to look into that.

  4. #504
    kingofdodgers
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    ****, i cant compete with that!

  5. #505
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    Quote Originally Posted by BleedingPurple View Post
    That's crazy! Very cool stuff. Any way you could take a photo of this rig all put together?
    Yeah. Gimme a bit.

    Quote Originally Posted by BleedingPurple View Post
    I was wondering about the focus of some of the photos. It seems the very center (obviously) is always in focus but outer edges that appear to be in the same vacinity are out of focus.

    For example, the top head of the nail;, the center 50% horizontally is in focus but the upper and lower 25% horizontally is out of focus even though they are very close in proximity.
    Well, if you think of the focus point as being a flat plane parallel to the front of the camera on which anything is in focus, then you can see why only the middle of the head of the nail is in focus. It passes through the focal plane at an angle because I took the image with the camera pointed down at the nail from an angle of approximately 45-degrees.

    Had the sun not been behind a cloud, the f-stop might have been a little higher (tighter aperture, greater DOF) so more of the nail would have been in focus. I'm still learning how to control DOF with these things installed.
    Anything worth shooting is worth shooting twice. Bullets are cheap. Life is priceless.


  6. #506
    FBJ
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    Quote Originally Posted by kingofdodgers View Post
    ****, i cant compete with that!
    What's to compete with? Do your own thing, man! We're not in competetion with each other!

    Anything worth shooting is worth shooting twice. Bullets are cheap. Life is priceless.


  7. #507
    Go, Kings, Go rinkrat's Avatar




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    Great stuff!! I need some tubes

  8. #508
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    Quote Originally Posted by BleedingPurple View Post
    That's crazy! Very cool stuff. Any way you could take a photo of this rig all put together?
    You know how hard it is to take a picture of your camera when that's the only camera you've got??

    The D200 with the 50mm f/1.4 mounted on it:


    The D200 with the 50mm f/1.4 mounted on top of 68mm worth of extension tubes:


    Yes, that's my season ticket box. No I haven't burned it yet.
    Anything worth shooting is worth shooting twice. Bullets are cheap. Life is priceless.


  9. #509
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    Heh.

    I just stuck the big mama-jama 70-200 f/2.8 on the end of the stack of tubes. At 200mm, the focus point is like eight inches in front of the lens! Normal minimum focusing distance is like 5 feet!

    But the funny thing was that at 70mm, the focus point is somewhere between the front lens element and the UV filter!! I can probably focus on the fingerprints on the UV filter!!
    Anything worth shooting is worth shooting twice. Bullets are cheap. Life is priceless.


  10. #510
    1st Scoring Line BleedingPurple's Avatar




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    Quote Originally Posted by FlyBoeingJets View Post
    You know how hard it is to take a picture of your camera when that's the only camera you've got??
    I thought about that after I asked. I figured you had to have a P&S or a camera phone. Thanks for posting!

    Very interesting. Are these tubes a cheaper alternative to a very expensive lens or is the application totally different?

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