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Old Mar 11, 2005, 8:14 AM   #1
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Just picked up a 250D CU lens for my 75-300 IS USM. Just wanted to share some shots taken with an EOS 20D


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Old Mar 11, 2005, 8:20 AM   #2
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Guava Flower



More Dragonfly shots




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Old Mar 11, 2005, 12:40 PM   #3
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Fantastic! How close (mm) were you to the subjects? I have the same IS lens and would love to be able to get those kind of closeup shots.

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Old Mar 11, 2005, 1:11 PM   #4
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Thanks, I was about 230-250 mm from the subjects. The designation of the lens actually denotes the maximum working distance that you can use. Hence 250 D = 250 mm or 25 cm maximum working distance. The working distance gets shorter as you zoom and magnify. At full magnification and focus extension, the working distance is about 200mm. It gets up to .41 Magnification at the wide end, and 1.54 at the Tele end for the 75-300 IS USM.

Its a nice lens. I wanted to get my feet wet(so to speak) doing macro with this close-up lens and then decide if I would get a real Macro lens like the 100/2.8 Macro. I've decided that for my purposes this would be enough for me and would rather spend the money on a telephoto prime.
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Old Mar 11, 2005, 3:16 PM   #5
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Oculus

Thanks for the information. Is it a Canon-brand or 3rd party close-up lens?

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Old Mar 11, 2005, 11:03 PM   #6
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No problem, glad to help. The lens is made by Canon. They have another lens, the 500D which is what they recommend for the75-300mm IS but its slightly weaker in terms of magnification but has a longer working distance of 500mm.

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Old Mar 12, 2005, 12:09 AM   #7
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Love your shots but how do you train a dragon fly to sit in one spot?? Most dragon flies we see are buzzing around or they land only for a few seconds.
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Old Mar 12, 2005, 12:34 AM   #8
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Some are more skittish than others. Its a hit or miss thing but generally you have to approach one cautiously(no sudden movements and with your eye already on the viewfinder)from behind or from the the sideand fire away, don't worry too much about composition as you can crop in post-processing, saving the front shots if you can for last. If one flies away, be still and stick around a while as they usually go back to the same spot and you can continue shooting. I'm still a newbie but this is what I've observed so far. :-)
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