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Thread started 03 Dec 2010 (Friday) 12:24
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First macro pano

 
The ­ Ran
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Dec 03, 2010 12:24 |  #1

Well my 4-way focus rails came today (I'll try and get a little review up soon) and apart from easier focussing I was also looking forward to the ability to shift left and right for easier composition. Then it dawned on me, I can use it to make panoramas just like you can by shifting a T/S lens left and right.

IMAGE: http://i253.photobucket.com/albums/hh61/The_Ran/phillips.jpg

The final image is composed of three shots with plenty of overlap, I reckon I could make one with 10+ images but the screwdriver got boring from the right onwards.

One thing I did notice is either the rails have some rotational shift (they seem solid enough, but it may be minor movement that is exaggerated by high magnifications) or the lens has some distortion (despite being an enlarger lens, I thought these things were meant to be relatively distortion free). Now for most subjects I can't see this being much of a problem, but with this particular object it became quite noticeable with the rings going around the screwdriver tip.

I also need to remember to lock my white balance, perhaps I'll start shooting in RAW and learn how to batch process.

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LordV
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Dec 04, 2010 01:47 |  #2

Worked pretty well.
Would suspect you would get some distortion when using a fixed camera like this with a TS lens. when I do these I simply used a normal lens and move the whole camera sideways for the overlapping shots.
Brian v.


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canonloader
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Dec 04, 2010 05:46 |  #3

Looks like you need to clean your sensor to. :)


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The ­ Ran
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Dec 04, 2010 07:12 |  #4

LordV wrote in post #11392615 (external link)
Worked pretty well.
Would suspect you would get some distortion when using a fixed camera like this with a TS lens. when I do these I simply used a normal lens and move the whole camera sideways for the overlapping shots.
Brian v.

When using a T/S lens for panos, if you just shift the lens left and right you'll get some minor parralax error, nothing too noticeable unless you're shooting stuff up close, but if you move the body in the opposite direction to the lens (and the same distance) it all goes away). So, not only do these rails come in handy for macro work but they'll also allow me to get flawless T/S panos.

Have you noticed any distortion when combining the shots, and if so how did you deal with it? I use Microsoft ICE for most of my panos but in this case it couldn't quite straighten it out no matter what mode I used, so I just overlaid the images in Photoshop instead.

canonloader wrote in post #11392995 (external link)
Looks like you need to clean your sensor to. :)

Haha, yeah it's so bad that it's noticeable at such low resolutions. I usually just clone it all out but it get's a bit tedious, hopefully I'll be able to get some cleaning supplies later on today.


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First macro pano
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