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DPChallenge Forums >> Hardware and Software >> In a pinch...I need a macro lens, canon mount
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03/13/2012 08:31:40 AM · #1
Hello guys/gals.

I'm doing a product shoot in a soft box in a few weeks and I need to get a macro lens (canon mount)asap. I need some suggestions please. I'm on a bit of a budget, and in a bit of a panic :[
03/13/2012 08:44:49 AM · #2
How much of a budget? A Canon 100mm F2.8 macro can be found for under $500 used. If the budget is more extreme than that, I'd suggest some extension tubes to use with your 17-50. Kenko tubes are good quality with a full set of electrical contacts. A set of 3 can be had for $179(US), perhaps a little less if you shop around.

Message edited by author 2012-03-13 08:46:22.
03/13/2012 08:49:27 AM · #3
I was thiking maybe 100mm F2.8. That would be the max I'd like to spend....how is that Canon 50mm f2.5?
03/13/2012 09:30:25 AM · #4
The main difference between different focal lengths will be the working length. Longer focal length macro lenses will let you place the camera farther away for a given magnification.
03/13/2012 09:50:59 AM · #5
As previously posted, the 50/2.5 macro will need to be closer to the subject for the same magnification. The difference is not as dramatic as you might imagine, however. One significant difference between the 50/2.5 macro and Canon's other macro lenses is that the 50/2.5 only goes to 0.5x magnification, not 1.0x as with most macro lenses. Essentially, on your 40D an object a little under 2 inches long will fill the frame. At 1.0x, you could fill the frame with an object an inch long.
So, if you need the additional magnification, a 100mm/2.8 macro USM (the non-IS version) would be great choice. The 50/2.5 should work well for you if you are OK with the lower magnification.
03/13/2012 11:23:37 AM · #6
Ok so I ordered the 50mm 2.5 (as magnification is not the biggest factor).

Thanks for your help!
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